# Yi Tracker vs GPS51

The clearest difference is review sentiment: GPS51 at 57% against Yi Tracker's 0%. GPS51 also leads on rating (3.7 vs 3.2) and update cadence (every 4 days vs every 3 months). Yi Tracker's advantage is ratings volume (25 vs 3). On price, ads, in-app purchases and monetization model there is nothing between them.

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

GPS51 holds the better App Store score, 3.7 against 3.2. That said, the two scores are not equally well evidenced: Yi Tracker has 25 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 0% of Yi Tracker's written reviews are positive against 57% of GPS51's.

Yi Tracker ships an update every 3 months, GPS51 every 4 days. The most recent releases landed on June 4, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Yi Tracker | GPS51 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.2 (25 ratings)](https://appshunter.io/ios/app/yi-tracker/id883999044/reviews) | **[3.7 (3 ratings)](https://appshunter.io/ios/app/gps51/id1503310033/reviews)** |
| Number of ratings | **25** | 3 |
| Positive reviews | 0.0% of reviews | **56.5% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 days** |
| Monetization | Free | Free |
| Size | 48 MB | 121 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [文清 毕](https://appshunter.io/developer/906277621) | [深圳安诺盛科技有限公司](https://appshunter.io/developer/1078143908) |

## What reviewers say

### 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


### GPS51

[App page](https://appshunter.io/ios/app/gps51/id1503310033)

Monitor and manage the location, historical routes, and alerts for various trackers and IoT devices. View real-time fuel consumption, video feeds, and two-way audio. Supports multiple tracker protocols and IoT devices.

**Highlights:** Real-time location tracking, Historical route playback, Alerts and geofencing, Fuel consumption monitoring, Video and audio streaming, Support for various tracker protocols

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

**In-app purchases:** none


## Frequently asked questions

### Is Yi Tracker free?

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

### Is GPS51 free?

GPS51 is free to download, with no in-app purchases.

### Which has better reviews, Yi Tracker or GPS51?

GPS51 is rated higher. Yi Tracker averages 3.2 out of 5 from 25 ratings, while GPS51 averages 3.7 from 3 ratings.

### Do Yi Tracker or GPS51 have ads?

Neither Yi Tracker nor GPS51 shows ads.

### Which is updated more often, Yi Tracker or GPS51?

Yi Tracker ships an update every 3 months, and GPS51 every 4 days. Most recently, Yi Tracker was updated on June 4, 2026 and GPS51 on September 21, 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.*