# Stretch+Flexibility~Bend Flex vs STACK DAYS Elite Training

The clearest difference is ads: STACK DAYS Elite Training at none against Stretch+Flexibility~Bend Flex's shown. STACK DAYS Elite Training also leads on update cadence (every 2 months vs every 7 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Stretch+Flexibility~Bend Flex sells 5 in-app purchases, starting at $14.99 per 3 months and STACK DAYS Elite Training sells 1 in-app purchase, starting at $249.00 per month. Whichever you choose, the download price is not the number that matters.

Stretch+Flexibility~Bend Flex ships an update every 7 months, STACK DAYS Elite Training every 2 months. The most recent releases landed on October 1, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Stretch+Flexibility~Bend Flex | STACK DAYS Elite Training |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (63 ratings)](https://appshunter.io/ios/app/stretch-plus-flexibilitybend-flex/id1638295589/reviews)** | — |
| Number of ratings | **63** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 7 months | **Every 2 months** |
| Monetization | Free with in-app purchases | — |
| Size | 331 MB | 52 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Fast Builder Limited](https://appshunter.io/developer/596300475) | [Mobile Trainer, LLC](https://appshunter.io/developer/1793616106) |

## What reviewers say

### Stretch+Flexibility~Bend Flex

[App page](https://appshunter.io/ios/app/stretch-plus-flexibilitybend-flex/id1638295589)

This app offers structured 28-day plans to improve flexibility, reduce pain, and enhance overall well-being. It features short, guided routines with video demonstrations suitable for all levels and busy schedules.

**Highlights:** Personalized 28-Day Stretch Plans, Quick & Effective Stretch Routines (3-10 min), Beginner-Friendly Guidance, HD Video Demonstrations, Progress Tracking & Motivation, Customized plans based on goals and details

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 7M Stretch Pro | $14.99 | per 3 months |
| Stretching and Flexibility PRO | $19.99 | per month |
| Get Yearly Premium! | $29.99 | per year |
| Premium Stretch Programs | $39.99 | per year |
| 7M Stretch Pro | $49.99 | per year |


### STACK DAYS Elite Training

[App page](https://appshunter.io/ios/app/stack-days-elite-training/id6741225635)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| STACK PRO | $249.00 | per month |


## Frequently asked questions

### Is Stretch+Flexibility~Bend Flex free?

Stretch+Flexibility~Bend Flex is free to download, with in-app purchases available.

### Is STACK DAYS Elite Training free?

STACK DAYS Elite Training is free to download, with in-app purchases available.

### Do Stretch+Flexibility~Bend Flex or STACK DAYS Elite Training have ads?

Stretch+Flexibility~Bend Flex shows ads; STACK DAYS Elite Training does not.

### Which is updated more often, Stretch+Flexibility~Bend Flex or STACK DAYS Elite Training?

Stretch+Flexibility~Bend Flex ships an update every 7 months, and STACK DAYS Elite Training every 2 months. Most recently, Stretch+Flexibility~Bend Flex was updated on October 1, 2026 and STACK DAYS Elite Training on September 20, 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.*