6 Best Alternatives to the RELXTIME Upgraded Inflatable Hot Tub (2026)
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The RELXTIME Upgraded Inflatable Hot Tub offers a rigid square design with 130 bubble jets and triple-layered PVC construction. If you are searching for relxtime upgraded inflatable hot tub alternatives, you might want different dimensions or a round shape. This model fits up to six people and includes a digital control panel for precise temperature management.
We selected these seven alternatives because their specifications overlap with the original product. The list includes larger round options like the Coleman SaluSpa 7-Person, which provides higher capacity. You can also find smaller 4-person models from Intex that prioritize energy efficiency. Each option shares core features like bubble massage systems and insulated covers. These choices give you practical variations in size, shape, and brand while maintaining similar functionality for your outdoor spa needs.
Our top pick: RELXTIME 4-6 Person Square Inflatable Hot Tub.
Comparing Alternative Hot Tubs
Intex PureSpa 6-Person Hot Tub with Insulated Cover
The Intex PureSpa 6-Person with Insulated Cover measures 85 by 85 inches, offering a larger footprint than the RELXTIME’s 73-inch square. It uses Fiber-Tech construction for added durability compared to RELXTIME’s triple-layered PVC. While RELXTIME provides 130 bubble jets and digital controls, this Intex model prioritizes heat retention through its insulated energy cover. You gain better insulation and a wider seating area but lose the rigid square shape and high jet count. This option suits groups that value energy efficiency and structural stability over smart temperature controls.
Intex PureSpa 6-Person Inflatable Hot Tub
This Intex PureSpa 6-Person model is significantly larger at 94 by 94 inches, compared to the RELXTIME’s 73-inch dimensions. It weighs 130 pounds, making it much heavier than the 64-pound RELXTIME tub. Like the other Intex PureSpa, it features an insulated energy cover for superior heat retention, whereas RELXTIME relies on its rigid PVC structure and freeze protection. It lacks the 130 jets found in the RELXTIME, offering a simpler massage experience. This choice is ideal for users with ample patio space who prioritize maximum seating capacity and thermal efficiency over compactness and high-output jetting.
Intex SimpleSpa 4-Person 100-Jet Inflatable Hot Tub
The Intex SimpleSpa 4-Person is a compact alternative to the RELXTIME’s 4-6 person capacity. It features 100 jets, slightly fewer than the RELXTIME’s 130 bubble jets. This model uses a mesh build with hard water treatment, differing from RELXTIME’s triple-layered PVC construction. It is designed for small groups and casual backyard use, offering a lower-maintenance experience. You sacrifice some seating capacity and jet count for a more affordable, space-saving option. This tub suits users who want durable, easy-care spas without the bulk of larger models or the complexity of advanced digital controls.
Intex PureSpa 4-Person Hot Tub with Insulated Cover
The Intex PureSpa 4-Person with Insulated Cover measures 77 by 77 inches, slightly larger than the RELXTIME’s 73-inch square. It includes an insulated energy cover for better heat retention, a feature the RELXTIME lacks. While RELXTIME offers 130 jets and digital controls, this Intex model focuses on energy efficiency and stable construction. You give up the high jet count and smart panel for improved insulation and water quality management. This option is best for small groups who prioritize heat conservation and low energy consumption over advanced massage features and rigid structural design.
Intex PureSpa 6-Person Bubble Massage Hot Tub
The Intex PureSpa 6-Person Bubble Massage Hot Tub measures 85 by 85 inches, providing more space than the RELXTIME’s 73-inch footprint. It uses a tan color scheme and basic bubble massage technology, differing from RELXTIME’s digital control panel and 130 jets. This model includes essential accessories and focuses on straightforward heating and seating for six people. You trade the high jet count and rigid square design for a larger, rounder shape and simpler operation. This choice suits groups seeking a reliable, no-frills spa experience with ample seating and basic functionality rather than advanced customization options.
Coleman SaluSpa 7-Person Round Inflatable Hot Tub
The Coleman SaluSpa 7-Person Round Inflatable Hot Tub offers a round shape, contrasting with the RELXTIME’s rigid square design. It seats up to seven people, exceeding the RELXTIME’s six-person capacity. Its dimensions are 85 by 85 inches, providing a larger surface area than the RELXTIME’s 73-inch tub. It includes an insulated cover and freeze protection, features that complement RELXTIME’s freeze protection but offer better heat retention. You gain higher capacity and a social round layout but lose the structured square shape and high jet count. This option is ideal for large groups who prefer a traditional round spa design.
Quick picks
Our 7 picks
RELXTIME 4-6 Person Square Inflatable Hot Tub
Best for: Users wanting rigid square design and high jet count
- Seating Capacity
- 4-6 Person
- Jet Count
- 130
- Jet Type
- Bubble jets
- Material
- Triple-layered PVC
- Dimensions
- 73 x 73 x 25.6 inches
- Control Type
- Digital control panel
View on Amazon: RELXTIME 4-6 Person Square Inflatable Hot Tub Affiliate link
This RELXTIME model is a square inflatable spa designed for four to six adults. It features 130 bubble jets and a 1350W heater that reaches 104°F. The triple-layered PVC construction maintains a rigid shape. A digital panel controls settings, and an integrated hard water treatment system protects your skin. It also includes freeze protection for colder months.
Pros
- 130 bubble jets for deep muscle relief
- Triple-layered puncture-resistant PVC construction
- 1350W external heater for rapid warming
- Integrated hard water treatment system
- Digital control panel for easy adjustment
Cons
- Square shape limits ergonomic seating compared to round models
- Requires a separate thick mat for insulation
- No remote control included for operation
Good fit if
- You want a rigid, square-shaped spa
- You need a high jet count for massage
- You prefer digital temperature control
Skip if
- You prefer round tubs for better seating
- You want a remote control included
- You need built-in insulation without extra mats
Verdict: RELXTIME 4-6 Person Square Inflatable Hot Tub suits users who prioritize structural rigidity and a high number of jets in a square footprint. It is best for those who want a stable, high-output spa and do not mind adding a separate insulation mat.
Intex PureSpa 6-Person Hot Tub with Insulated Cover
Best for: Groups needing durable construction and heat retention
- Seating Capacity
- 6-Person
- Jet Type
- Heated air bubbles
- Material
- Fiber-Tech
- Dimensions
- 85 x 85 x 28 inches
- Features
- Insulated Cover, Energy-Saving, Pool Cover
- Use
- Spas
View on Amazon: Intex PureSpa 6-Person Hot Tub with Insulated Cover Affiliate link
The Intex PureSpa 6 Person Inflatable Hot Tub uses Fiber-Tech Beam Construction for added stability. It features a heated air bubble system and includes an energy-efficient spa cover with high-density foam. This cover improves efficiency by up to 50% and locks in heat. The unit measures 85 inches by 85 inches with a 28-inch height. It suits groups seeking durable construction and heat retention.
Pros
- Fiber-Tech Beam Construction for lasting strength
- Energy-efficient cover boosts efficiency by up to 50%
- Heated air bubble technology for relaxation
- Built-in hard water treatment system
Cons
- No remote control mentioned in specifications
- Requires separate saltwater conversion kit for chlorine-free use
- No smartphone app connectivity listed
Good fit if
- You want a durable structure with Fiber-Tech beams
- You need a cover that retains heat effectively
- You prefer a 6-person seating capacity
Skip if
- You require built-in saltwater conversion without extra parts
- You need app-based control for the spa
- You want a smaller footprint under 85 inches
Verdict: Intex PureSpa 6 Person with Energy Cover offers robust Fiber-Tech construction and superior heat retention via its insulated cover. It is a practical choice for groups prioritizing durability and energy efficiency over smart features.
Intex PureSpa 6-Person Inflatable Hot Tub
Best for: groups needing seating for six people
- Seating Capacity
- 6 Person
- Jet Type
- Air bubble
- Material
- Fiber-Tech
- Dimensions
- 94 x 94 x 28 inches
- Control Type
- Integrated control box
- Features
- Insulated Cover, Energy-Saving, Pool Cover
View on Amazon: Intex PureSpa 6-Person Inflatable Hot Tub Affiliate link
The Intex PureSpa 6 Person Inflatable Hot Tub offers a spacious seating capacity for up to six users. It measures 94 by 94 by 28 inches and weighs 130 pounds. The unit features heated air bubble technology and an energy-efficient spa cover with high-density foam. It also includes a built-in hard water treatment system and easy-access filter replacement. This model suits groups seeking a large, stable inflatable spa with heat retention.
Pros
- Seating capacity for 6 people
- Energy-efficient spa cover with thermal-resistant foam
- Built-in hard water treatment system
- Fiber-Tech Beam Construction for stability
- Heated air bubble technology
Cons
- Large footprint at 94 by 94 inches
- Heavy at 130 pounds
- Limited to gray color option
Good fit if
- You need seating for up to six people
- You want a spa with an energy-efficient cover
- You have space for a 94-inch diameter unit
Skip if
- You have limited space for a 94-inch diameter unit
- You prefer a smaller 4-person capacity
- You want a lighter unit under 100 pounds
Verdict: Intex PureSpa 6 Person Inflatable Hot Tub fits families or groups who need ample seating and heat retention. Its large dimensions and weight require a sturdy, spacious patio area.
Intex SimpleSpa 4-Person 100-Jet Inflatable Hot Tub
Best for: Small groups needing durable, low-maintenance spa sessions
- Seating Capacity
- 4 Person
- Jet Count
- 100
- Jet Type
- Heated air bubble
- Material
- Mesh exterior, horizontal beam
- Dimensions
- 77in x 26in
- Features
- Pool Cover
View on Amazon: Intex SimpleSpa 4-Person 100-Jet Inflatable Hot Tub Affiliate link
The Intex SimpleSpa 4-Person Inflatable Hot Tub uses heated air bubble technology with 100 jets. It features a mesh exterior for puncture resistance and an insulated cover to retain heat. A built-in hard water treatment system reduces mineral buildup. It includes two S1 type filter cartridges for easy maintenance. This model suits small groups seeking reliable, low-maintenance spa sessions.
Pros
- 100 heated air bubble jets for full-body coverage
- Mesh exterior resists punctures and abrasions
- Insulated cover and ground cloth retain water heat
- Built-in hard water treatment system protects components
Cons
- Seating capacity limited to 4 people
- Heated air bubble jets may feel less intense than water jets
- No mention of smart app or remote control integration
Good fit if
- You need a compact spa for 2-4 users
- You want a durable mesh exterior for rough surfaces
- You prefer simple maintenance with easy filter access
Skip if
- You require seating for more than 4 people
- You expect precise temperature control via a mobile app
- You prefer traditional water jet massage over air bubbles
Verdict: Intex SimpleSpa 4-Person Inflatable Hot Tub offers a compact, durable option for small groups. Its mesh build and hard water treatment make it a practical choice for casual backyard use.
Intex PureSpa 4-Person Hot Tub with Insulated Cover
Best for: Small groups prioritizing energy efficiency
- Seating Capacity
- 4-Person
- Jet Type
- Heated air bubbles
- Material
- Fiber-Tech
- Dimensions
- 77 x 77 x 28 inches
- Features
- Insulated Cover, Energy-Saving, Pool Cover
- Use
- Spas
View on Amazon: Intex PureSpa 4-Person Hot Tub with Insulated Cover Affiliate link
This Intex PureSpa 4 Person inflatable hot tub uses Fiber-Tech beam construction for structural stability. It features a heated air bubble system and a PTC heater for safe, efficient warming. The included energy-efficient spa cover with high-density foam reduces heat loss by up to 50%. A built-in hard water treatment system protects the spa and your skin. It includes two contoured headrests and an LED light for relaxation.
Pros
- Fiber-Tech beam construction for superior stability
- Energy-efficient cover reduces heat loss by 50%
- Built-in hard water treatment system
- Heated air bubble technology with PTC heater
Cons
- 4-person seating capacity is smaller than 6-7 person alternatives
- LED light requires 3 AAA batteries not included
- No remote control or app connectivity listed
Good fit if
- You prefer a compact 4-person spa for smaller spaces
- You want to minimize energy costs with an insulated cover
- You have hard water and need a treatment system
Skip if
- You need seating for 6 or more people
- You require smart app control or remote operation
- You want included batteries for the LED light
Verdict: Intex PureSpa 4 Person with Energy-Efficient Cover is a stable, energy-conscious option for small groups. It fits buyers who prioritize heat retention and water quality over large capacity or smart features.
Intex PureSpa 6-Person Bubble Massage Hot Tub
Best for: Groups seeking simple bubble massage
- Seating Capacity
- 6-Person
- Dimensions
- 85 x 85 x 28 inches
- Use
- Spas
- Weight
- 109 pounds
View on Amazon: Intex PureSpa 6-Person Bubble Massage Hot Tub Affiliate link
The Intex PureSpa 28427E is a 6-person inflatable hot tub with an 85-inch diameter and 290-gallon water capacity. It heats water between 68 and 104 degrees Fahrenheit. A built-in hard water system softens the water for better skin feel. The set includes an insulated cover, thermal ground cloth, and floating chlorine dispenser. It suits groups seeking standard bubbling massage without complex controls.
Pros
- Seating capacity for 6 people
- Built-in hard water system
- Includes insulated cover and thermal ground cloth
- Heats water up to 104 degrees Fahrenheit
Cons
- Bubble massage only lacks targeted jet pressure
- No smart app or remote control
- Heavier build at 109 pounds
Good fit if
- You want seating for 6 people
- You prefer simple bubble massage
- You need a complete setup with cover and ground cloth
Skip if
- You want targeted jet therapy
- You prefer smart app controls
- You need a compact footprint under 80 inches
Verdict: Intex PureSpa 6-Person Bubble Massage fits groups who prioritize seating capacity and basic heating over advanced jet customization. It offers a straightforward experience with essential accessories included.
Coleman SaluSpa 7-Person Round Inflatable Hot Tub
Best for: Large groups seeking round spa design
- Seating Capacity
- 7 Person
- Jet Count
- 180
- Jet Type
- AirJet
- Dimensions
- 85 x 85 x 28 inches
- Shape
- Round
- Features
- Insulated Cover, Pool Cover
View on Amazon: Coleman SaluSpa 7-Person Round Inflatable Hot Tub Affiliate link
This round inflatable spa seats seven people with 180 AirJet jets. It holds 314 gallons of water and measures 85 inches across. The unit includes Freeze Shield technology to protect internal components from freezing temperatures. You get a reinforced insulated cover to retain heat and keep debris out. The package also provides a ChemConnect dispenser, filter cartridge, and repair patch for maintenance.
Pros
- Seats up to 7 people
- 180 AirJet massage jets
- Freeze Shield automatic heating protection
- Includes ChemConnect dispenser and filter
Cons
- Not available in CA, OR, RI, MA, NJ, ME, NY, NV, MD, WA, or D.C.
- No app or remote control listed
- Heavier build due to 7-person capacity
Good fit if
- You need seating for a large group
- You live in a region without shipping restrictions
- You prefer a round shape for social seating
Skip if
- You reside in a restricted state like California or New York
- You require smart app connectivity
- You have limited space for an 85-inch diameter unit
Verdict: Coleman SaluSpa 7-Person Round Inflatable Hot Tub offers high capacity and freeze protection for larger groups. It suits buyers in unrestricted areas who want a social, round spa design.
Specifications side by side
| Spec | RELXTIME 4-6 Person Square Inflatable Hot Tub | Intex PureSpa 6-Person Hot Tub with Insulated Cover | Intex PureSpa 6-Person Inflatable Hot Tub | Intex SimpleSpa 4-Person 100-Jet Inflatable Hot Tub | Intex PureSpa 4-Person Hot Tub with Insulated Cover | Intex PureSpa 6-Person Bubble Massage Hot Tub | Coleman SaluSpa 7-Person Round Inflatable Hot Tub |
|---|---|---|---|---|---|---|---|
| Seating Capacity | 4-6 Person | 6-Person | 6 Person | 4 Person | 4-Person | 6-Person | 7 Person |
| Jet Count | 130 | not stated | not stated | 100 | not stated | not stated | 180 |
| Jet Type | Bubble jets | Heated air bubbles | Air bubble | Heated air bubble | Heated air bubbles | not stated | AirJet |
| Material | Triple-layered PVC | Fiber-Tech | Fiber-Tech | Mesh exterior, horizontal beam | Fiber-Tech | not stated | not stated |
| Dimensions | 73 x 73 x 25.6 inches | 85 x 85 x 28 inches | 94 x 94 x 28 inches | 77in x 26in | 77 x 77 x 28 inches | 85 x 85 x 28 inches | 85 x 85 x 28 inches |
| Control Type | Digital control panel | not stated | Integrated control box | not stated | not stated | not stated | not stated |
| Shape | not stated | not stated | not stated | not stated | not stated | not stated | Round |
| Features | not stated | Insulated Cover, Energy-Saving, Pool Cover | Insulated Cover, Energy-Saving, Pool Cover | Pool Cover | Insulated Cover, Energy-Saving, Pool Cover | not stated | Insulated Cover, Pool Cover |
| Use | Backyard, Spas | Spas | Spas | Spas | Spas | Spas | Outdoor, Spas |
| Size | Energy Efficient | 6 Person | 6 Person | 4-Person | 4-Person | 6 Person | Standard |
| Weight | 64 pounds | not stated | 130 pounds | not stated | not stated | 109 pounds | not stated |
| Color | Dark Gray | Blue | Gray | Gray | Blue | Tan | Standard |
| Model | PH050015 | 28431EH | 28451EP | 60022E-BW | 28429EH | 28427E | 90475E |
If you also evaluate water gear, spatium inflatable paddle board alternatives list differing dimensions, materials, and load capacities.
Frequently asked questions
What is the best round inflatable hot tub alternative to the RELXTIME square model?
The Coleman SaluSpa 7-Person Round Inflatable Hot Tub is the best round option. It measures 85 by 85 inches and seats seven people. This model uses air jets for massage and includes an insulated cover. It is designed for outdoor use and offers freeze protection features. The round shape provides a different social layout compared to square designs.
Which alternative offers the highest jet count for strong massage pressure?
The Intex SimpleSpa 4-Person Inflatable Hot Tub features 100 jets. It is a compact option suitable for small groups. The model includes hard water treatment to maintain water quality. Its mesh build provides durability for casual backyard use. This tub focuses on straightforward operation and consistent jet output for muscle relief.
Is there a larger capacity option for groups needing more seating?
Yes, the Coleman SaluSpa 7-Person Round Inflatable Hot Tub seats up to seven people. It measures 85 by 85 inches with a height of 28 inches. This model is ideal for larger gatherings. It includes an insulated cover and pool cover for maintenance. The air jet system provides a gentle massage experience for all occupants.
Which model provides the best heat retention for energy efficiency?
The Intex PureSpa 6-Person Hot Tub with Insulated Cover offers superior heat retention. It features Fiber-Tech construction for added durability. The included energy-saving cover helps maintain water temperature. This model is blue and measures 85 by 85 inches. It is a practical choice for users who prioritize energy efficiency over smart connectivity features.
What is the smallest footprint option for smaller patios?
The Intex SimpleSpa 4-Person Inflatable Hot Tub is a compact choice. It is designed for small groups and casual use. The model features a mesh build for durability. It includes hard water treatment to protect the interior. This tub offers a straightforward setup process and fits well in tighter outdoor spaces compared to larger six-person models.
Does any alternative include an insulated cover for winter use?
Several Intex and Coleman models include insulated covers. The Intex PureSpa 6-Person with Insulated Cover and the Coleman SaluSpa 7-Person both feature this accessory. The covers help retain heat and keep debris out. These models are designed for energy saving and extended outdoor use. The insulation helps maintain consistent water temperatures during cooler weather.
Which option is best for users who prefer bubble massage over jets?
The Intex PureSpa 6-Person Bubble Massage Hot Tub is designed for this preference. It provides basic heating and simple bubble massage. The model seats six people and measures 85 by 85 inches. It includes essential accessories for immediate use. This tub offers a straightforward experience without advanced jet customization, focusing on reliable performance.