# Orbit vs 庆庆健身

The clearest difference is update cadence: 庆庆健身 at daily against Orbit's every 3 weeks. Orbit's advantage is iOS requirement (16.0 vs 18.0). 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.

Orbit ships an update every 3 weeks, 庆庆健身 daily. Both last shipped on October 31, 2026.

## The numbers

| Metric | Orbit | 庆庆健身 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/orbit-period-tracker/id6757743456/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Daily** |
| Monetization | Free | — |
| Size | 3 MB | 2 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Mingkai Zhang](https://appshunter.io/developer/1868623449) | [上海方披萨软件科技有限公司](https://appshunter.io/developer/1746864149) |

## What reviewers say

### Orbit

[App page](https://appshunter.io/ios/app/orbit-period-tracker/id6757743456)

A minimalist period tracker focused on user privacy, storing all data locally or via iCloud. It offers smart predictions for your next period and clear charts to understand cycle trends, with seamless integration with Apple Health.

**Highlights:** Privacy-focused data storage, Smart period prediction algorithm, Cycle trend analysis charts, Apple HealthKit integration, No account registration required, Offline capable tracking

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

**In-app purchases:** none


### 庆庆健身

[App page](https://appshunter.io/ios/app/id6780982116)

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

**In-app purchases:** none


## Frequently asked questions

### Is Orbit free?

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

### Is 庆庆健身 free?

庆庆健身 is free to download, with no in-app purchases.

### Do Orbit or 庆庆健身 have ads?

Neither Orbit nor 庆庆健身 shows ads.

### Which is updated more often, Orbit or 庆庆健身?

Orbit ships an update every 3 weeks, and 庆庆健身 daily. Most recently, Orbit was updated on October 31, 2026 and 庆庆健身 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.*