# IA Motion Lab vs RIVE Pilates

The clearest difference is update cadence: IA Motion Lab at every 3 weeks against RIVE Pilates's every 10 months. IA Motion Lab also leads on ratings volume (34 vs 1). RIVE Pilates's advantage is rating (5.0 vs 4.8) and monetization model (free vs ad-supported). 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.

RIVE Pilates holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: IA Motion Lab has 34 ratings behind it against 1, so its average is the more settled of the two.

IA Motion Lab ships an update every 3 weeks, RIVE Pilates every 10 months. The most recent releases landed on September 18, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | IA Motion Lab | RIVE Pilates |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (34 ratings)](https://appshunter.io/ios/app/ia-motion-lab/id6505128461/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/rive-pilates/id6754184234/reviews)** |
| Number of ratings | **34** | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 10 months |
| Monetization | Ad-supported | **Free** |
| Size | 38 MB | 121 MB |
| Requires iOS | **16.0** | 16.4 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 12+ |
| Developer | [Motion Lab, LLC](https://appshunter.io/developer/1755286221) | [Sutra Fitness, Inc.](https://appshunter.io/developer/914371834) |

## 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


### RIVE Pilates

[App page](https://appshunter.io/ios/app/rive-pilates/id6754184234)

Book Reformer, Mat, and Private Training sessions, manage memberships, and stay connected to the Rive community. This app helps you move with intention and reconnect with your body, offering a ritual of connection, clarity, and growth.

**Highlights:** Book Reformer, Mat, and Private Training, Manage memberships and credits, View schedules and bookings, Access member events and offers, Connect with community and instructors

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

**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 RIVE Pilates free?

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

### Which has better reviews, IA Motion Lab or RIVE Pilates?

RIVE Pilates is rated higher. IA Motion Lab averages 4.8 out of 5 from 34 ratings, while RIVE Pilates averages 5.0 from 1 ratings.

### Do IA Motion Lab or RIVE Pilates have ads?

Neither IA Motion Lab nor RIVE Pilates shows ads.

### Which is updated more often, IA Motion Lab or RIVE Pilates?

IA Motion Lab ships an update every 3 weeks, and RIVE Pilates every 10 months. Most recently, IA Motion Lab was updated on September 18, 2026 and RIVE Pilates on September 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.*