# Run AiK vs Eigen Running

The clearest difference is in-app purchases: Eigen Running at none against Run AiK's 7. Run AiK's advantage is update cadence (monthly vs every 5 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Run AiK sells 7 in-app purchases, starting at $4.99 per month. Eigen Running asks for nothing beyond the download.

Run AiK ships an update monthly, Eigen Running every 5 months. The most recent releases landed on October 1, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Run AiK | Eigen Running |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 5 months |
| Size | 225 MB | 70 MB |
| Requires iOS | **18.0** | 18.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [AIKYNETIX LLC](https://appshunter.io/developer/1565394041) | [Eigen Running GmbH](https://appshunter.io/developer/1833177524) |

## What reviewers say

### Run AiK

[App page](https://appshunter.io/ios/app/run-aik/id6741048150)

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic | $4.99 | per month |
| Pro | $19.99 | per month |
| Premium | $44.99 | per month |
| Basic | $53.99 | per year |
| Pro | $204.99 | per year |
| Premium | $439.99 | per year |
| Offline Processing | $1.99 | one-time |


### Eigen Running

[App page](https://appshunter.io/ios/app/eigen-running/id6751028383)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Run AiK free?

Run AiK is free to download, with in-app purchases available.

### Is Eigen Running free?

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

### Do Run AiK or Eigen Running have ads?

Neither Run AiK nor Eigen Running shows ads.

### Which is updated more often, Run AiK or Eigen Running?

Run AiK ships an update monthly, and Eigen Running every 5 months. Most recently, Run AiK was updated on October 1, 2026 and Eigen Running on September 23, 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.*