# Sacfit vs Dynamic Runner

The clearest difference is in-app purchases: Sacfit at none against Dynamic Runner's 2. Sacfit also leads on iOS requirement (11.0 vs 15.1). On price, update cadence, ads and device support there is nothing between them.

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

Sacfit ships an update every 4 months, Dynamic Runner every 3 months. The most recent releases landed on October 18, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Sacfit | Dynamic Runner |
| --- | --- | --- |
| Price | Free | Free |
| 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 | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | — | Subscription |
| Size | 44 MB | 91 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Tilt Software Limited](https://appshunter.io/developer/898473961) | [Flexible Marketing Media Inc](https://appshunter.io/developer/1615447023) |

## What reviewers say

### Sacfit

[App page](https://appshunter.io/ios/app/sacfit/id1550874543)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Sacfit free?

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

### Is Dynamic Runner free?

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

### Do Sacfit or Dynamic Runner have ads?

Neither Sacfit nor Dynamic Runner shows ads.

### Which is updated more often, Sacfit or Dynamic Runner?

Sacfit ships an update every 4 months, and Dynamic Runner every 3 months. Most recently, Sacfit was updated on October 18, 2026 and Dynamic Runner on October 17, 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.*