# 123 Flex vs TRAIN

The clearest difference is in-app purchases: TRAIN at none against 123 Flex's 2. 123 Flex's advantage is update cadence (every 4 days vs fortnightly) and iOS requirement (13.0 vs 16.0). On price, review sentiment, ads and device support there is nothing between them.

Both are free to download. 123 Flex sells 2 in-app purchases, starting at $9.99 per month. TRAIN asks for nothing beyond the download.

123 Flex ships an update every 4 days, TRAIN fortnightly. The most recent releases landed on October 7, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | 123 Flex | TRAIN |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (2 ratings)](https://appshunter.io/ios/app/123-flex-stretching-workouts/id6449441131/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 days** | Fortnightly |
| Monetization | Freemium | **Free** |
| Size | 78 MB | 31 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 12+ |
| Developer | [WeAnd Ltd](https://appshunter.io/developer/1635802172) | [THOMAS MARK CURNOW](https://appshunter.io/developer/1710388582) |

## What reviewers say

### 123 Flex

[App page](https://appshunter.io/ios/app/123-flex-stretching-workouts/id6449441131)

This app provides personalized stretching and flexibility routines based on your fitness goals and physical condition. It features AI-driven program generation, progress tracking, and visual demonstrations to guide your workouts.

**Highlights:** Personalized AI workout plans, Progress tracking and reassessments, 3D animated stretch demonstrations, Safety tips and injury precautions, Audio guidance for sessions, Offline workout mode, Motivation through rewards and challenges

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $9.99 | per month |
| Premium Yearly | $59.99 | per year |


### TRAIN

[App page](https://appshunter.io/ios/app/train-create-and-share-workouts/id6478172177)

This app allows users to discover and create personalized workout plans from a global community. Track your progress, beat your personal records, and share your own routines with others. It's designed to be accessible for everyone, regardless of fitness level or goals.

**Highlights:** Discover user-created workouts, Create custom workout routines, Share workouts globally, Track personal records, Fitness plans for all goals

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 123 Flex free?

123 Flex is free to download, with in-app purchases available.

### Is TRAIN free?

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

### Do 123 Flex or TRAIN have ads?

Neither 123 Flex nor TRAIN shows ads.

### Which is updated more often, 123 Flex or TRAIN?

123 Flex ships an update every 4 days, and TRAIN fortnightly. Most recently, 123 Flex was updated on October 7, 2026 and TRAIN on October 2, 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.*