# Zerofifty vs Hamstra

The clearest difference is update cadence: Hamstra at every 3 weeks against Zerofifty's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Zerofifty ships an update every 3 months, Hamstra every 3 weeks. The most recent releases landed on September 13, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Zerofifty | Hamstra |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Size | 210 MB | 98 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Zerofifty sport & fights](https://appshunter.io/developer/1759321915) | [FITsociety BV (Apps)](https://appshunter.io/developer/1756257213) |

## What reviewers say

### Zerofifty

[App page](https://appshunter.io/ios/app/zerofifty/id6575367957)

**Features:** macOS Compatibility

**In-app purchases:** none


### Hamstra

[App page](https://appshunter.io/ios/app/hamstra-pt/id6761917068)

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

**In-app purchases:** none


## Frequently asked questions

### Is Zerofifty free?

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

### Is Hamstra free?

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

### Do Zerofifty or Hamstra have ads?

Neither Zerofifty nor Hamstra shows ads.

### Which is updated more often, Zerofifty or Hamstra?

Zerofifty ships an update every 3 months, and Hamstra every 3 weeks. Most recently, Zerofifty was updated on September 13, 2026 and Hamstra on September 18, 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.*