# ZippyGO vs Sjøsterk

The clearest difference is update cadence: Sjøsterk at every 2 weeks against ZippyGO's every 7 months. ZippyGO's advantage is iOS requirement (11.0 vs 17.0). 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.

ZippyGO ships an update every 7 months, Sjøsterk every 2 weeks. The most recent releases landed on October 4, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | ZippyGO | Sjøsterk |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 weeks** |
| Size | 31 MB | 80 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Konkylie Data AS](https://appshunter.io/developer/964043826) | [Sjøsterk](https://appshunter.io/developer/1818310270) |

## What reviewers say

### ZippyGO

[App page](https://appshunter.io/ios/app/zippygo/id1457746608)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sjøsterk

[App page](https://appshunter.io/ios/app/sjsterk/id6746751300)

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

**In-app purchases:** none


## Frequently asked questions

### Is ZippyGO free?

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

### Is Sjøsterk free?

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

### Do ZippyGO or Sjøsterk have ads?

Neither ZippyGO nor Sjøsterk shows ads.

### Which is updated more often, ZippyGO or Sjøsterk?

ZippyGO ships an update every 7 months, and Sjøsterk every 2 weeks. Most recently, ZippyGO was updated on October 4, 2026 and Sjøsterk on October 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.*