# CelsiUSA vs FitSkyGo

The clearest difference is in-app purchases: FitSkyGo at none against CelsiUSA's 1. FitSkyGo also leads on update cadence (every 4 days vs every 7 months). On price, ads, device support and iOS requirement there is nothing between them.

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

CelsiUSA ships an update every 7 months, FitSkyGo every 4 days. The most recent releases landed on October 1, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | CelsiUSA | FitSkyGo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 4 days** |
| Size | 12 MB | 51 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Andrew Myers](https://appshunter.io/developer/1636750818) | [嘉军 陈](https://appshunter.io/developer/1726884953) |

## What reviewers say

### CelsiUSA

[App page](https://appshunter.io/ios/app/celsiusa/id6449006027)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | 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 CelsiUSA free?

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

### Is FitSkyGo free?

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

### Do CelsiUSA or FitSkyGo have ads?

Neither CelsiUSA nor FitSkyGo shows ads.

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

CelsiUSA ships an update every 7 months, and FitSkyGo every 4 days. Most recently, CelsiUSA was updated on October 1, 2026 and FitSkyGo on October 7, 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.*