# GPS SSTracker vs CHANGYUN

The clearest difference is ads: CHANGYUN at none against GPS SSTracker's shown. CHANGYUN also leads on iOS requirement (12.0 vs 14.0). GPS SSTracker's advantage is update cadence (every 3 weeks vs every 2 months). On price, 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.

GPS SSTracker ships an update every 3 weeks, CHANGYUN every 2 months. The most recent releases landed on October 25, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | GPS SSTracker | CHANGYUN |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Size | 47 MB | 48 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Sohel Shaikh](https://appshunter.io/developer/1437643195) | [江苏行运兔互联网科技有限公司](https://appshunter.io/developer/1536117598) |

## What reviewers say

### GPS SSTracker

[App page](https://appshunter.io/ios/app/gps-sstracker/id1633273035)

**Features:** macOS Compatibility

**In-app purchases:** none


### CHANGYUN

[App page](https://appshunter.io/ios/app/changyun/id6474402926)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is GPS SSTracker free?

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

### Is CHANGYUN free?

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

### Do GPS SSTracker or CHANGYUN have ads?

GPS SSTracker shows ads; CHANGYUN does not.

### Which is updated more often, GPS SSTracker or CHANGYUN?

GPS SSTracker ships an update every 3 weeks, and CHANGYUN every 2 months. Most recently, GPS SSTracker was updated on October 25, 2026 and CHANGYUN on October 30, 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.*