# GSatSolar vs US Ecotopia

The clearest difference is update cadence: US Ecotopia at every 10 days against GSatSolar's every 2 months. US Ecotopia also leads on iOS requirement (15.0 vs 17.6). 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.

GSatSolar ships an update every 2 months, US Ecotopia every 10 days. Both last shipped on November 3, 2026.

## The numbers

| Metric | GSatSolar | US Ecotopia |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 10 days** |
| Size | 52 MB | 137 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Global Satellite Engineering, Inc.](https://appshunter.io/developer/504388498) | [Druid Tech, LLC](https://appshunter.io/developer/1683282655) |

## What reviewers say

### GSatSolar

[App page](https://appshunter.io/ios/app/gsatsolar/id1598082008)

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

**In-app purchases:** none


### US Ecotopia

[App page](https://appshunter.io/ios/app/us-ecotopia-animal-tracker/id6448024917)

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

**In-app purchases:** none


## Frequently asked questions

### Is GSatSolar free?

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

### Is US Ecotopia free?

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

### Do GSatSolar or US Ecotopia have ads?

Neither GSatSolar nor US Ecotopia shows ads.

### Which is updated more often, GSatSolar or US Ecotopia?

GSatSolar ships an update every 2 months, and US Ecotopia every 10 days. Most recently, GSatSolar was updated on November 3, 2026 and US Ecotopia on November 3, 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.*