# Eigen Running vs FormSight

The clearest difference is in-app purchases: Eigen Running at none against FormSight's 2. FormSight'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. FormSight sells 2 in-app purchases, starting at $9.99 per month. Eigen Running asks for nothing beyond the download.

Eigen Running ships an update every 5 months, FormSight monthly. The most recent releases landed on September 23, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Eigen Running | FormSight |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Monthly** |
| Size | 70 MB | 8 MB |
| Requires iOS | 18.6 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Eigen Running GmbH](https://appshunter.io/developer/1833177524) | [Big Creek Holdings LLC](https://appshunter.io/developer/1883413634) |

## What reviewers say

### Eigen Running

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

**Features:** macOS Compatibility

**In-app purchases:** none


### FormSight

[App page](https://appshunter.io/ios/app/formsight/id6760241174)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FormSight Coach (Monthly) | $9.99 | per month |
| FormSight Coach Annual | $99.99 | per year |


## Frequently asked questions

### Is Eigen Running free?

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

### Is FormSight free?

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

### Do Eigen Running or FormSight have ads?

Neither Eigen Running nor FormSight shows ads.

### Which is updated more often, Eigen Running or FormSight?

Eigen Running ships an update every 5 months, and FormSight monthly. Most recently, Eigen Running was updated on September 23, 2026 and FormSight on September 8, 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.*