# CHY GPS vs GPSiam

The clearest difference is update cadence: GPSiam at every 3 weeks against CHY GPS's every 45 months. CHY GPS's advantage is iOS requirement (15.0 vs 26.2). 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.

CHY GPS ships an update every 45 months, GPSiam every 3 weeks. The most recent releases landed on October 6, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | CHY GPS | GPSiam |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 45 months | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 2 MB | 44 MB |
| Requires iOS | **15.0** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [KITTICHAI YEELAK](https://appshunter.io/developer/1458060099) | [Eakapol Liyeeke](https://appshunter.io/developer/1181304412) |

## What reviewers say

### CHY GPS

[App page](https://appshunter.io/ios/app/chy-gps/id1458566210)

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

**In-app purchases:** none


### GPSiam

[App page](https://appshunter.io/ios/app/gpsiam/id1493892150)

This app provides real-time GPS vehicle tracking and transportation management. With over a decade of experience, it offers professional installation and support, aiming to reduce transportation costs for users.

**Highlights:** Real-time GPS tracking, Transportation management, Professional installation, Cost reduction for transport, Experienced service provider

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

**In-app purchases:** none


## Frequently asked questions

### Is CHY GPS free?

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

### Is GPSiam free?

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

### Do CHY GPS or GPSiam have ads?

Neither CHY GPS nor GPSiam shows ads.

### Which is updated more often, CHY GPS or GPSiam?

CHY GPS ships an update every 45 months, and GPSiam every 3 weeks. Most recently, CHY GPS was updated on October 6, 2026 and GPSiam 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.*