# Endurheimt vs C²

The clearest difference is in-app purchases: Endurheimt at none against C²'s 1. C²'s advantage is update cadence (every 6 weeks vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. C² sells 1 in-app purchase, starting at $30.00 per month. Endurheimt asks for nothing beyond the download.

Endurheimt ships an update every 3 months, C² every 6 weeks. The most recent releases landed on September 23, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Endurheimt | C² |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Size | 92 MB | 95 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Linda Gunnarsdottir](https://appshunter.io/developer/1719087081) | [Trent Christie](https://appshunter.io/developer/1755209096) |

## What reviewers say

### Endurheimt

[App page](https://appshunter.io/ios/app/endurheimt/id6473522993)

**Features:** macOS Compatibility

**In-app purchases:** none


### C²

[App page](https://appshunter.io/ios/app/c/id6505114502)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| The Exponential Edge | $30.00 | per month |


## Frequently asked questions

### Is Endurheimt free?

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

### Is C² free?

C² is free to download, with in-app purchases available.

### Do Endurheimt or C² have ads?

Both Endurheimt and C² show ads.

### Which is updated more often, Endurheimt or C²?

Endurheimt ships an update every 3 months, and C² every 6 weeks. Most recently, Endurheimt was updated on September 23, 2026 and C² on September 10, 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.*