# TerraWatch vs FitSkyGo

The clearest difference is in-app purchases: FitSkyGo at none against TerraWatch's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. TerraWatch sells 1 one-off in-app purchase. FitSkyGo asks for nothing beyond the download.

TerraWatch ships an update every 5 days, FitSkyGo every 4 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | TerraWatch | FitSkyGo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 days | **Every 4 days** |
| Size | 1 MB | 51 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Tolga Ulutas](https://appshunter.io/developer/1867266654) | [嘉军 陈](https://appshunter.io/developer/1726884953) |

## What reviewers say

### TerraWatch

[App page](https://appshunter.io/ios/app/terrawatch/id6762412658)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TerraWatch Pro | $2.99 | one-time |


### FitSkyGo

[App page](https://appshunter.io/ios/app/fitskygo/id6790631317)

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

**In-app purchases:** none


## Frequently asked questions

### Is TerraWatch free?

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

### Is FitSkyGo free?

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

### Do TerraWatch or FitSkyGo have ads?

Neither TerraWatch nor FitSkyGo shows ads.

### Which is updated more often, TerraWatch or FitSkyGo?

TerraWatch ships an update every 5 days, and FitSkyGo every 4 days. Most recently, TerraWatch was updated on November 5, 2026 and FitSkyGo on October 31, 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.*