# Dynamic Runner vs Stack My Trails

The clearest difference is price: Dynamic Runner at Free against Stack My Trails's $1.99. Dynamic Runner also leads on device support (3 vs 1). Stack My Trails's advantage is in-app purchases (none vs 2) and update cadence (weekly vs every 3 months). On ads and iOS requirement there is nothing between them.

Dynamic Runner is free to download; Stack My Trails costs $1.99 up front. Dynamic Runner sells 2 in-app purchases, starting at $9.99 per month. Stack My Trails asks for nothing beyond the download.

Dynamic Runner ships an update every 3 months, Stack My Trails weekly. The most recent releases landed on September 26, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Dynamic Runner | Stack My Trails |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[4.9 (361 ratings)](https://appshunter.io/ios/app/dynamic-runner/id6449952624/reviews)** | — |
| Number of ratings | **361** | — |
| Positive reviews | 96.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | Subscription | — |
| Size | 91 MB | 48 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Flexible Marketing Media Inc](https://appshunter.io/developer/1615447023) | [Vladimir Senchikhin](https://appshunter.io/developer/1878095109) |

## What reviewers say

### Dynamic Runner

[App page](https://appshunter.io/ios/app/dynamic-runner/id6449952624)

Enhance your running performance and prevent injuries with daily stretching, mobility, and strength training programs. Access a vast library of video routines designed to improve flexibility, speed, endurance, and recovery, all available across your devices.

**Highlights:** Daily stretching and mobility routines, Strength training programs, Injury prevention and rehab modules, Warmups and drills, Roll and release techniques, Video content updated regularly

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Dynamic Runner | $9.99 | per month |
| Dynamic Runner | $84.99 | per year |


### Stack My Trails

[App page](https://appshunter.io/ios/app/stack-my-trails/id6759326170)

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

**In-app purchases:** none


## Frequently asked questions

### Is Dynamic Runner free?

Dynamic Runner is free to download, with in-app purchases available.

### Is Stack My Trails free?

Stack My Trails costs $1.99, with no in-app purchases.

### Do Dynamic Runner or Stack My Trails have ads?

Neither Dynamic Runner nor Stack My Trails shows ads.

### Which is updated more often, Dynamic Runner or Stack My Trails?

Dynamic Runner ships an update every 3 months, and Stack My Trails weekly. Most recently, Dynamic Runner was updated on September 26, 2026 and Stack My Trails on September 15, 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.*