# IA Motion Lab vs Stone Mat Studios

The clearest difference is update cadence: IA Motion Lab at every 4 weeks against Stone Mat Studios's every 7 months. 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.

IA Motion Lab ships an update every 4 weeks, Stone Mat Studios every 7 months. The most recent releases landed on October 6, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | IA Motion Lab | Stone Mat Studios |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (36 ratings)](https://appshunter.io/ios/app/ia-motion-lab/id6505128461/reviews)** | — |
| Number of ratings | **36** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 7 months |
| Monetization | Ad-supported | — |
| Size | 38 MB | 121 MB |
| Requires iOS | **16.0** | 16.4 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 17+ |
| Developer | [Motion Lab, LLC](https://appshunter.io/developer/1755286221) | [Stone Mat Studios LLC](https://appshunter.io/developer/1889294754) |

## What reviewers say

### IA Motion Lab

[App page](https://appshunter.io/ios/app/ia-motion-lab/id6505128461)

Easily book and manage fitness classes with this app. Discover sessions, check real-time availability, and secure your spot with seamless booking. Stay organized with reminders and track your progress through your booking history.

**Highlights:** Class discovery and scheduling, Real-time availability updates, Seamless booking functionality, Personalized user profiles, Class reminders and notifications, Waitlist management, Booking history tracking

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

**In-app purchases:** none


### Stone Mat Studios

[App page](https://appshunter.io/ios/app/stone-mat-studios/id6761391265)

**Features:** Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is IA Motion Lab free?

IA Motion Lab is free to download, with no in-app purchases.

### Is Stone Mat Studios free?

Stone Mat Studios is free to download, with no in-app purchases.

### Do IA Motion Lab or Stone Mat Studios have ads?

Neither IA Motion Lab nor Stone Mat Studios shows ads.

### Which is updated more often, IA Motion Lab or Stone Mat Studios?

IA Motion Lab ships an update every 4 weeks, and Stone Mat Studios every 7 months. Most recently, IA Motion Lab was updated on October 6, 2026 and Stone Mat Studios on October 19, 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.*