# 追踪定位S vs YDGPS

The clearest difference is update cadence: YDGPS at every 5 weeks against 追踪定位S's every 4 months. YDGPS also leads on iOS requirement (11.0 vs 13.0). 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.

追踪定位S ships an update every 4 months, YDGPS every 5 weeks. The most recent releases landed on October 9, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | 追踪定位S | YDGPS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 5 weeks** |
| Size | 32 MB | 88 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [庆灿 张](https://appshunter.io/developer/857862258) | [鹏 王](https://appshunter.io/developer/1502342298) |

## What reviewers say

### 追踪定位S

[App page](https://appshunter.io/ios/app/s/id1472151111)

**Features:** Vision Pro support

**In-app purchases:** none


### YDGPS

[App page](https://appshunter.io/ios/app/ydgps/id6444598998)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 追踪定位S free?

追踪定位S is free to download, with no in-app purchases.

### Is YDGPS free?

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

### Do 追踪定位S or YDGPS have ads?

Neither 追踪定位S nor YDGPS shows ads.

### Which is updated more often, 追踪定位S or YDGPS?

追踪定位S ships an update every 4 months, and YDGPS every 5 weeks. Most recently, 追踪定位S was updated on October 9, 2026 and YDGPS on October 20, 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.*