# GPSdd vs SinoTrack

The clearest difference is update cadence: SinoTrack at every 3 days against GPSdd's weekly. 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.

GPSdd ships an update weekly, SinoTrack every 3 days. The most recent releases landed on August 8, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | GPSdd | SinoTrack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (8 ratings)](https://appshunter.io/ios/app/gpsdd/id1435553517/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 22.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | **Every 3 days** |
| Monetization | Free | — |
| Size | 15 MB | 32 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [攀 刘](https://appshunter.io/developer/1435553516) | [文杰 施](https://appshunter.io/developer/1450954777) |

## What reviewers say

### GPSdd

[App page](https://appshunter.io/ios/app/gpsdd/id1435553517)

This app provides real-time vehicle tracking for fleet businesses. It features a monitoring center for multiple devices, customizable alerts for events like low battery or overspeeding, and geo-fencing capabilities for security. Users can also manage sub-accounts and view mileage reports.

**Highlights:** Real-time tracking, Historical route playback, Multi-device monitoring, Customizable alerts, Geo-fencing, Mileage and stop reports, Sub-account management

**Features:** macOS Compatibility

**In-app purchases:** none


### SinoTrack

[App page](https://appshunter.io/ios/app/sinotrack/id6739999107)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is GPSdd free?

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

### Is SinoTrack free?

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

### Do GPSdd or SinoTrack have ads?

Neither GPSdd nor SinoTrack shows ads.

### Which is updated more often, GPSdd or SinoTrack?

GPSdd ships an update weekly, and SinoTrack every 3 days. Most recently, GPSdd was updated on August 8, 2026 and SinoTrack on September 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.*