# Stark Stretch vs DTU Injury

The clearest difference is price: DTU Injury at Free against Stark Stretch's $1.99. DTU Injury also leads on iOS requirement (13.0 vs 15.1). Stark Stretch's advantage is update cadence (every 2 months vs every 14 months). On ads, in-app purchases and device support there is nothing between them.

DTU Injury is free to download; Stark Stretch costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Stark Stretch ships an update every 2 months, DTU Injury every 14 months. The most recent releases landed on October 29, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Stark Stretch | DTU Injury |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[4.6 (169 ratings)](https://appshunter.io/ios/app/stark-stretch/id586936228/reviews)** | — |
| Number of ratings | **169** | — |
| Positive reviews | 70.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 14 months |
| Monetization | Free | — |
| Size | 57 MB | 6 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Postra AB](https://appshunter.io/developer/1807937957) | [Danmarks Tekniske Universitet](https://appshunter.io/developer/546654639) |

## What reviewers say

### Stark Stretch

[App page](https://appshunter.io/ios/app/stark-stretch/id586936228)

Access a library of 83 HD video exercises for a full-body workout. Create personalized routines with timers for Tabata, HIIT, and circuit training. Track progress by saving workouts and burned calories to Apple Health.

**Highlights:** 83 HD exercise videos, Personalized workout creation, Full body workouts, Step-by-step workout guidance, Tabata, HIIT, Circuit timers, Muscle group targeting, Apple Health integration

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

**In-app purchases:** none

**What reviewers like**

- 👍 Customizable routines
- 👍 Wide selection of stretches
- 👍 Simple and easy to use
- 👍 Good for beginners
- 👍 Effective for flexibility

**What reviewers complain about**

- 👎 Lack of detailed instructions
- 👎 Videos/images are static or unclear
- 👎 Unilateral exercises not automatically handled
- 👎 Limited exercise selection (for some)
- 👎 Paid app with issues

**Reported bugs**

- Videos won't download
- App crashes or won't work
- Server issues for downloads
- Analysis mode transmits data without consent
- Timer/rest period settings are cumbersome

**Requested features**

- Add more detailed instructions (text or voice)
- Improve video clarity and motion
- Automatic handling of left/right side exercises
- Expand exercise library
- Add option to add custom stretches


### DTU Injury

[App page](https://appshunter.io/ios/app/dtu-injury/id1134945247)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Stark Stretch free?

Stark Stretch costs $1.99, with no in-app purchases.

### Is DTU Injury free?

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

### Do Stark Stretch or DTU Injury have ads?

Neither Stark Stretch nor DTU Injury shows ads.

### Which is updated more often, Stark Stretch or DTU Injury?

Stark Stretch ships an update every 2 months, and DTU Injury every 14 months. Most recently, Stark Stretch was updated on October 29, 2026 and DTU Injury on October 27, 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.*