# GPSdd vs SMT AUDIO

The clearest difference is review sentiment: SMT AUDIO at 100% against GPSdd's 23%. SMT AUDIO also leads on rating (5.0 vs 4.7) and iOS requirement (9.0 vs 12.0). GPSdd's advantage is update cadence (weekly vs every 3 months) and ratings volume (11 vs 3). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SMT AUDIO holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 11 and 3 respectively. Written reviews point the same way: 23% of GPSdd's written reviews are positive against 100% of SMT AUDIO's.

GPSdd ships an update weekly, SMT AUDIO every 3 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | GPSdd | SMT AUDIO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (11 ratings)](https://appshunter.io/ios/app/gpsdd/id1435553517/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/smt-audio/id1459593533/reviews)** |
| Number of ratings | **11** | 3 |
| Positive reviews | 22.7% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 months |
| Monetization | Free | Free |
| Size | 15 MB | 19 MB |
| Requires iOS | 12.0 | **9.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [攀 刘](https://appshunter.io/developer/1435553516) | [裕 张](https://appshunter.io/developer/1459593532) |

## 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


### SMT AUDIO

[App page](https://appshunter.io/ios/app/smt-audio/id1459593533)

This app allows iOS devices to remotely control dual-mode Bluetooth products. Manage LED lights, play local or online music, tune into the radio, and use AUX input for audio output.

**Highlights:** Remote control for BLE products, LED color, brightness, and temperature control, Local, SD card, and online music playback, Radio tuning and control, AUX audio input

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is GPSdd free?

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

### Is SMT AUDIO free?

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

### Which has better reviews, GPSdd or SMT AUDIO?

SMT AUDIO is rated higher. GPSdd averages 4.7 out of 5 from 11 ratings, while SMT AUDIO averages 5.0 from 3 ratings.

### Do GPSdd or SMT AUDIO have ads?

Neither GPSdd nor SMT AUDIO shows ads.

### Which is updated more often, GPSdd or SMT AUDIO?

GPSdd ships an update weekly, and SMT AUDIO every 3 months. Most recently, GPSdd was updated on November 2, 2026 and SMT AUDIO on November 3, 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.*