# 999GPS vs Yi Tracker

The clearest difference is iOS requirement: 999GPS at 6.0 against Yi Tracker's 12.0. On price, review sentiment, update cadence and ads 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 3, 2026 respectively.

## The numbers

| Metric | 999GPS | Yi Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.2 (25 ratings)](https://appshunter.io/ios/app/yi-tracker/id883999044/reviews)** |
| Number of ratings | — | **25** |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Free | Free |
| Size | 4 MB | 48 MB |
| Requires iOS | **6.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [国营 张](https://appshunter.io/developer/457513854) | [文清 毕](https://appshunter.io/developer/906277621) |

## 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 Tracker

[App page](https://appshunter.io/ios/app/yi-tracker/id883999044)

This application allows users to track their vehicle's location, review past trips, and receive device alerts. It utilizes local phone and cloud storage to ensure a fast and responsive user experience.

**Highlights:** Intelligent vehicle location checking, Vehicle history playback, Device alarm viewing, Cloud storage for enhanced speed, Best user experience commitment

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 999GPS free?

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

### Is Yi Tracker free?

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

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

Neither 999GPS nor Yi Tracker shows ads.

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

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