# 畅行51 vs GPS51

The clearest difference is update cadence: GPS51 at every 4 days against 畅行51's every 7 months. 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.

畅行51 ships an update every 7 months, GPS51 every 4 days. The most recent releases landed on September 5, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | 畅行51 | GPS51 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.7 (3 ratings)](https://appshunter.io/ios/app/gps51/id1503310033/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 56.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 4 days** |
| Monetization | — | Free |
| Size | 34 MB | 121 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [涛 宋](https://appshunter.io/developer/1156329342) | [深圳安诺盛科技有限公司](https://appshunter.io/developer/1078143908) |

## What reviewers say

### 畅行51

[App page](https://appshunter.io/ios/app/51/id1455955477)

**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 畅行51 free?

畅行51 is free to download, with no in-app purchases.

### Is GPS51 free?

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

### Do 畅行51 or GPS51 have ads?

Neither 畅行51 nor GPS51 shows ads.

### Which is updated more often, 畅行51 or GPS51?

畅行51 ships an update every 7 months, and GPS51 every 4 days. Most recently, 畅行51 was updated on September 5, 2026 and GPS51 on September 21, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*