# RealRelax Smart vs MutLab

RealRelax Smart and MutLab are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

RealRelax Smart ships an update every 4 months, MutLab every 2 months. The most recent releases landed on September 16, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | RealRelax Smart | MutLab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.5 (10 ratings)](https://appshunter.io/ios/app/realrelax-smart/id1489795865/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 64.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 53 MB | 60 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [晓忠 缪](https://appshunter.io/developer/1489795864) | [Mutlab](https://appshunter.io/developer/1363984051) |

## What reviewers say

### RealRelax Smart

[App page](https://appshunter.io/ios/app/realrelax-smart/id1489795865)

Control your smart massage devices with your phone. Adjust massage functions, customize modes, and enjoy voice or one-click operation for a truly relaxing home experience.

**Highlights:** Connect smart massage devices, Voice control, One-click operation, Manual mode adjustment, Customizable massage modes

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Intuitive and user-friendly interface
- 🎮 Comprehensive manual control features (head, neck, shoulders, back, waist, hips)
- 💪 Multiple massage types available (tap, knock, knead, shiatsu)
- ⚡ Works seamlessly when properly set up with Apple login
- 🔧 Excellent chair hardware quality and functionality

**What reviewers complain about**

- 🐛 Persistent login and authentication failures
- 🔄 Frequent app crashes and forced logouts
- ❌ Inconsistent app functionality - works intermittently
- 🚫 Account recognition errors (user doesn't exist/already exists loop)
- 📵 Bluetooth connectivity issues with certain chair models

**Reported bugs**

- Login fails intermittently with 'user does not exist' error
- Account creation loop - email already exists but won't login
- Verification code not sent or invalid when received
- App boots users out randomly and prevents re-login
- Bluetooth fails to detect chair despite connection showing in device settings

**Requested features**

- Improve app stability and reliability
- Fix authentication and login system
- Enhance Bluetooth pairing process
- Reduce required personal information collection
- Implement better error messages and troubleshooting guidance


### MutLab

[App page](https://appshunter.io/ios/app/mutlab/id1576343740)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RealRelax Smart free?

RealRelax Smart is free to download, with no in-app purchases.

### Is MutLab free?

MutLab is free to download, with no in-app purchases.

### Do RealRelax Smart or MutLab have ads?

Neither RealRelax Smart nor MutLab shows ads.

### Which is updated more often, RealRelax Smart or MutLab?

RealRelax Smart ships an update every 4 months, and MutLab every 2 months. Most recently, RealRelax Smart was updated on September 16, 2026 and MutLab on September 21, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*