# ASYASTRETCHING vs The Flex

The clearest difference is review sentiment: ASYASTRETCHING at 100% against The Flex's 43%. ASYASTRETCHING also leads on iOS requirement (13.4 vs 15.0). The Flex's advantage is update cadence (every 3 weeks vs every 3 months). On price, ads, in-app purchases and monetization model there is nothing between them.

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

ASYASTRETCHING ships an update every 3 months, The Flex every 3 weeks. The most recent releases landed on October 1, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | ASYASTRETCHING | The Flex |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (33 ratings)](https://appshunter.io/ios/app/the-flex/id6474018774/reviews)** |
| Number of ratings | — | **33** |
| Positive reviews | **100.0% of reviews** | 43.4% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 28 MB | 49 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

### ASYASTRETCHING

[App page](https://appshunter.io/ios/app/asyastretching/id6472617370)

This app allows clients of a stretching studio to view the current class schedule, book group and personal training sessions, and receive notifications about upcoming workouts. It also helps users track the expiration dates of their memberships and services.

**Highlights:** View class schedule, Book group and personal training, Receive workout notifications, Track membership expiration, Manage services

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

**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 ASYASTRETCHING free?

ASYASTRETCHING 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 ASYASTRETCHING or The Flex have ads?

Neither ASYASTRETCHING nor The Flex shows ads.

### Which is updated more often, ASYASTRETCHING or The Flex?

ASYASTRETCHING ships an update every 3 months, and The Flex every 3 weeks. Most recently, ASYASTRETCHING was updated on October 1, 2026 and The Flex on October 18, 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.*