# TopSat vs AnderSat

The clearest difference is update cadence: TopSat at every 2 months against AnderSat's every 6 months. AnderSat's advantage is iOS requirement (12.1 vs 15.7). 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.

TopSat ships an update every 2 months, AnderSat every 6 months. Both last shipped on October 10, 2026.

## The numbers

| Metric | TopSat | AnderSat |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 6 months |
| Size | 48 MB | 73 MB |
| Requires iOS | 15.7 | **12.1** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [TopSat Monitoramento](https://appshunter.io/developer/1729243792) | [Alfredo Rodrigues dos Reis](https://appshunter.io/developer/1495365234) |

## What reviewers say

### TopSat

[App page](https://appshunter.io/ios/app/topsat/id6477400805)

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

**In-app purchases:** none


### AnderSat

[App page](https://appshunter.io/ios/app/andersat/id6742034400)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TopSat free?

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

### Is AnderSat free?

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

### Do TopSat or AnderSat have ads?

Neither TopSat nor AnderSat shows ads.

### Which is updated more often, TopSat or AnderSat?

TopSat ships an update every 2 months, and AnderSat every 6 months. Most recently, TopSat was updated on October 10, 2026 and AnderSat 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.*