# S vs GPS51

S and GPS51 both sit at 3.9 stars, but that hides the real split: 80% of S's written reviews are positive against 54% of GPS51's. GPS51's advantage is update cadence (every 4 days vs every 3 weeks). On price, rating, ratings volume 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.

S holds the better App Store score, 3.9 against 3.7. Both are backed by a comparable volume of ratings — 7 and 3 respectively. Written reviews point the same way: 80% of S's written reviews are positive against 54% of GPS51's.

S ships an update every 3 weeks, GPS51 every 4 days. The most recent releases landed on September 29, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | S | GPS51 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (7 ratings)](https://appshunter.io/ios/app/s-make/id1214215708/reviews)** | [3.7 (3 ratings)](https://appshunter.io/ios/app/gps51/id1503310033/reviews) |
| Number of ratings | **7** | 3 |
| Positive reviews | **80.0% of reviews** | 54.2% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Monetization | Free | Free |
| Size | 47 MB | 121 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [深圳市牛牛智能设备有限公司](https://appshunter.io/developer/1425820466) | [深圳安诺盛科技有限公司](https://appshunter.io/developer/1078143908) |

## What reviewers say

### S

[App page](https://appshunter.io/ios/app/s-make/id1214215708)

Monitor your vehicles in real-time with this app. It offers features like location tracking, historical route playback, and alarm notifications. Manage multiple vehicles and plan routes efficiently.

**Highlights:** Real-time vehicle location, Track playback, Vehicle alarm notifications, Multi-vehicle monitoring, Route planning

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

**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 S free?

S 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, S or GPS51?

S is rated higher. S averages 3.9 out of 5 from 7 ratings, while GPS51 averages 3.7 from 3 ratings.

### Do S or GPS51 have ads?

Neither S nor GPS51 shows ads.

### Which is updated more often, S or GPS51?

S ships an update every 3 weeks, and GPS51 every 4 days. Most recently, S was updated on September 29, 2026 and GPS51 on October 14, 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.*