# 999GPS vs Yi Tracker2

The clearest difference is review sentiment: Yi Tracker2 at 10% against 999GPS's 0%. 999GPS's advantage is iOS requirement (6.0 vs 15.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on September 30, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | 999GPS | Yi Tracker2 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.8 (5 ratings)](https://appshunter.io/ios/app/yi-tracker2/id1137046346/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | 0.0% of reviews | **10.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Free | Free |
| Size | 4 MB | 38 MB |
| Requires iOS | **6.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [国营 张](https://appshunter.io/developer/457513854) | [Shenzhen Yi Wen Technology Co., Ltd.](https://appshunter.io/developer/1298964548) |

## What reviewers say

### 999GPS

[App page](https://appshunter.io/ios/app/999gps/id734185567)

Track the real-time location and playback history of GPS devices. This app works with the 999GPS platform and compatible tracking devices to monitor vehicles, people, or pets. It offers automatic login for easy access to location data.

**Highlights:** Real-time location tracking, Playback historical tracking data, Automatic login, Supports personal and fleet tracking, Monitor vehicles, people, and pets

**Features:** macOS Compatibility

**In-app purchases:** none


### Yi Tracker2

[App page](https://appshunter.io/ios/app/yi-tracker2/id1137046346)

Easily locate your vehicles with this app. Set up virtual boundaries to receive alerts when your vehicle leaves a designated area and review past travel routes. Customize the app's appearance and remotely control your device.

**Highlights:** Vehicle location tracking, Geofence alerts, Route history playback, Remote device control, Customizable themes, Device information management

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

**In-app purchases:** none


## Frequently asked questions

### Is 999GPS free?

999GPS is free to download, with no in-app purchases.

### Is Yi Tracker2 free?

Yi Tracker2 is free to download, with no in-app purchases.

### Do 999GPS or Yi Tracker2 have ads?

Neither 999GPS nor Yi Tracker2 shows ads.

### Which is updated more often, 999GPS or Yi Tracker2?

999GPS ships an update every 3 months, and Yi Tracker2 every 3 months. Most recently, 999GPS was updated on September 30, 2026 and Yi Tracker2 on October 9, 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.*