S vs GPS51
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
S
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.
- Real-time vehicle location
- Track playback
- Vehicle alarm notifications
- Multi-vehicle monitoring
- Route planning
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"S-Make" is Shenzhen Niuniu Intelligent Equipment Co., Ltd launched iPhone client software, user-friendly and timely check vehicle information. Main functions: real-time location, track playback, vehicle alarm, multi vehicle monitoring, route planning.
GPS51
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.
- Real-time location tracking
- Historical route playback
- Alerts and geofencing
- Fuel consumption monitoring
- Video and audio streaming
- Support for various tracker protocols
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The platform allows users to comprehensively view and manage the position, trajectory, alerts, geofencing, dwell points, telephone alarms, and remote command transmission for diverse GPS trackers and IoT devices. It also provides live online access to fuel usage, video feeds, and intercom functions. The system is compatible with multiple tracker communication protocols and various IoT device types.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | S | GPS51 |
|---|---|---|
| Price | Free | Free |
| Rating | 3.9 (7 ratings) — better | 3.7 (3 ratings) |
| Positive reviews | 80.0% of reviews — better | 54.2% of reviews |
| Number of ratings | 7 — better | 3 |
| Update frequency | Every 3 weeks | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 47 MB | 121 MB |
| Age rating | 4+ | 4+ |
| Developer | 深圳市牛牛智能设备有限公司 | 深圳安诺盛科技有限公司 |
Customer experience
S
GPS51
In-app purchases
S
No in-app purchases
GPS51
No in-app purchases
