# SMSTRETCHING vs MutLab

The clearest difference is update cadence: SMSTRETCHING at every 4 days against MutLab's every 2 months. MutLab's advantage is iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

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

SMSTRETCHING ships an update every 4 days, MutLab every 2 months. The most recent releases landed on September 19, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | SMSTRETCHING | MutLab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (14 ratings)](https://appshunter.io/ios/app/smstretching/id1392690370/reviews)** | — |
| Number of ratings | **14** | — |
| Positive reviews | 75.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 2 months |
| Monetization | Free | — |
| Size | 49 MB | 60 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [smstretching](https://appshunter.io/developer/1566737248) | [Mutlab](https://appshunter.io/developer/1363984051) |

## What reviewers say

### SMSTRETCHING

[App page](https://appshunter.io/ios/app/smstretching/id1392690370)

Book fitness classes at boutique studios, discover new trainers, and stay updated on promotions. Explore a variety of training styles from stretching and Pilates to barre and dance workouts.

**Highlights:** Book fitness classes, Discover new trainers, Stay updated on promotions, Explore 12 workout directions, Information on studio news

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### MutLab

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SMSTRETCHING free?

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

### Is MutLab free?

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

### Do SMSTRETCHING or MutLab have ads?

Neither SMSTRETCHING nor MutLab shows ads.

### Which is updated more often, SMSTRETCHING or MutLab?

SMSTRETCHING ships an update every 4 days, and MutLab every 2 months. Most recently, SMSTRETCHING was updated on September 19, 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.*