# RunX vs Studio NK

The clearest difference is in-app purchases: RunX at none against Studio NK's 2. Studio NK's advantage is update cadence (every 2 days vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

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

RunX ships an update every 3 months, Studio NK every 2 days. The most recent releases landed on October 25, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | RunX | Studio NK |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/studio-nk-home-workout/id6759365544/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 days** |
| Monetization | — | Free with in-app purchases |
| Size | 37 MB | 126 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SUNGU ERDEM GUNALTAY](https://appshunter.io/developer/1884583394) | [Nikita Poslanichenko](https://appshunter.io/developer/1770937293) |

## What reviewers say

### RunX

[App page](https://appshunter.io/ios/app/runx/id6749934722)

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

**In-app purchases:** none


### Studio NK

[App page](https://appshunter.io/ios/app/studio-nk-home-workout/id6759365544)

This app offers convenient home workout programs for all major muscle groups, focusing on weight loss, fitness maintenance, and endurance. Train effectively in just 10-20 minutes daily with detailed instructions and bodyweight exercises, no gym or equipment required.

**Highlights:** Workout programs for various goals, Short daily workouts (7-20 mins), Bodyweight exercises, Progress tracking and motivation, Healthy habit tracking, No equipment needed

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Month | $9.99 | per month |
| 30 days + trial 7 days | $14.99 | per month |


## Frequently asked questions

### Is RunX free?

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

### Is Studio NK free?

Studio NK is free to download, with in-app purchases available.

### Do RunX or Studio NK have ads?

Neither RunX nor Studio NK shows ads.

### Which is updated more often, RunX or Studio NK?

RunX ships an update every 3 months, and Studio NK every 2 days. Most recently, RunX was updated on October 25, 2026 and Studio NK on October 9, 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.*