# metr.at vs GDriver

The clearest difference is in-app purchases: metr.at at none against GDriver's 3. metr.at also leads on rating (4.7 vs 4.3) and device support (4 vs 2). GDriver's advantage is update cadence (every 2 days vs every 4 weeks). On price, review sentiment, ratings volume and ads there is nothing between them.

Both are free to download. GDriver sells 3 in-app purchases, starting at $2.99 per month. metr.at asks for nothing beyond the download.

metr.at holds the better App Store score, 4.7 against 4.3. Both are backed by a comparable volume of ratings — 19 and 24 respectively. Written reviews point the same way: 88% of metr.at's written reviews are positive against 80% of GDriver's.

metr.at ships an update every 4 weeks, GDriver every 2 days. The most recent releases landed on October 4, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | metr.at | GDriver |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (19 ratings)](https://appshunter.io/ios/app/metrat/id1165745913/reviews)** | [4.3 (24 ratings)](https://appshunter.io/ios/app/gdriver-ev-controller-tuning/id6739453298/reviews) |
| Number of ratings | 19 | **24** |
| Positive reviews | **87.5% of reviews** | 80.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 2 days** |
| Monetization | Free | Free |
| Size | 65 MB | 138 MB |
| Requires iOS | **12.0** | 16.4 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Voyage Systems AB](https://appshunter.io/developer/1710124681) | [Eamon Almiladi](https://appshunter.io/developer/1785403993) |

## What reviewers say

### metr.at

[App page](https://appshunter.io/ios/app/metrat/id1165745913)

This app measures and records electrical data like current, voltage, and RPM for compatible devices. It allows users to track routes on Google Maps, view detailed charts, and create videos with data overlays. Users can also share their recorded data and adjust speed modes.

**Highlights:** Measure current, voltage, RPM, speed, Record and upload data online, Track route on Google Maps, View detailed interactive charts, Share data links, Change speed modes, Create videos with data overlay

**Features:** macOS Compatibility

**In-app purchases:** none


### GDriver

[App page](https://appshunter.io/ios/app/gdriver-ev-controller-tuning/id6739453298)

Monitor your electric vehicle's performance and journey statistics with real-time data and insightful analytics. Track speed, distance, duration, route, and energy consumption to optimize battery efficiency. Customize your dashboard and review historical data to improve your rides.

**Highlights:** Real-time speed tracking, Trip distance and duration logging, Route mapping, Energy consumption analysis, Customizable dashboard, Bluetooth data syncing, Historical ride data review

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| GDriver Pro Monthly | $2.99 | per month |
| GDriver Pro Annual | $29.99 | per year |
| GDriver Pro Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is metr.at free?

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

### Is GDriver free?

GDriver is free to download, with in-app purchases available.

### Which has better reviews, metr.at or GDriver?

metr.at is rated higher. metr.at averages 4.7 out of 5 from 19 ratings, while GDriver averages 4.3 from 24 ratings.

### Do metr.at or GDriver have ads?

Neither metr.at nor GDriver shows ads.

### Which is updated more often, metr.at or GDriver?

metr.at ships an update every 4 weeks, and GDriver every 2 days. Most recently, metr.at was updated on October 4, 2026 and GDriver on October 16, 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.*