# AM STUDIO vs The Flex

The clearest difference is update cadence: The Flex at every 3 weeks against AM STUDIO's every 3 months. AM STUDIO's advantage is iOS requirement (13.4 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.

AM STUDIO ships an update every 3 months, The Flex every 3 weeks. The most recent releases landed on September 17, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | AM STUDIO | The Flex |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (28 ratings)](https://appshunter.io/ios/app/the-flex/id6474018774/reviews)** |
| Number of ratings | — | **28** |
| Positive reviews | — | 43.4% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 28 MB | 63 MB |
| Requires iOS | **13.4** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Fitbase](https://appshunter.io/developer/1530906929) | [ООО «ФЛЕКС ИРКУТСК»](https://appshunter.io/developer/1720348929) |

## What reviewers say

### AM STUDIO

[App page](https://appshunter.io/ios/app/am-studio/id6446481500)

**Features:** macOS Compatibility

**In-app purchases:** none


### The Flex

[App page](https://appshunter.io/ios/app/the-flex/id6474018774)

Stay updated with studio news and schedules. Receive timely notifications about changes and special offers. Manage your fitness journey with ease.

**Highlights:** Studio news updates, Schedule tracking, Timely notifications, Special offers, Information on changes

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

**In-app purchases:** none

**What reviewers like**

- 👍 Convenient app release
- 👍 Clear schedule on app
- 👍 Good user experience overall

**What reviewers complain about**

- 🐌 Slow loading times
- 🐛 Frequent errors and crashes
- ❌ Difficult to book/cancel
- ❌ Missing website features
- ❌ Poor design and interface

**Reported bugs**

- App is disabled/not working
- Login errors
- Cannot authorize in app
- App crashes frequently
- Error 1019 when booking

**Requested features**

- Add ability to see number of people in queue
- Add ability to see available spots in schedule
- Return website functionality
- Improve schedule visibility (color coding, booking marks)
- Allow booking more than 6 sessions


## Frequently asked questions

### Is AM STUDIO free?

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

### Is The Flex free?

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

### Do AM STUDIO or The Flex have ads?

Neither AM STUDIO nor The Flex shows ads.

### Which is updated more often, AM STUDIO or The Flex?

AM STUDIO ships an update every 3 months, and The Flex every 3 weeks. Most recently, AM STUDIO was updated on September 17, 2026 and The Flex on September 28, 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.*