# Vesper Sky vs FitSkyGo

The clearest difference is in-app purchases: FitSkyGo at none against Vesper Sky's 3. FitSkyGo also leads on update cadence (every 4 days vs monthly). Vesper Sky's advantage is device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Vesper Sky sells 3 in-app purchases, starting at $2.99 per month. FitSkyGo asks for nothing beyond the download.

Vesper Sky ships an update monthly, FitSkyGo every 4 days. The most recent releases landed on October 19, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Vesper Sky | FitSkyGo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 days** |
| Size | 126 MB | 51 MB |
| Requires iOS | 16.4 | **16.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [iSimplifyMe LLC](https://appshunter.io/developer/1887111241) | [嘉军 陈](https://appshunter.io/developer/1726884953) |

## What reviewers say

### Vesper Sky

[App page](https://appshunter.io/ios/app/vesper-sky/id6762069223)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Vesper | $2.99 | per month |
| Vesper Annual | $24.99 | per year |
| Vesper Lifetime | $59.99 | 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 Vesper Sky free?

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

### Is FitSkyGo free?

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

### Do Vesper Sky or FitSkyGo have ads?

Neither Vesper Sky nor FitSkyGo shows ads.

### Which is updated more often, Vesper Sky or FitSkyGo?

Vesper Sky ships an update monthly, and FitSkyGo every 4 days. Most recently, Vesper Sky was updated on October 19, 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.*