# FastR vs TrueLean

The clearest difference is rating: TrueLean at 4.9 against FastR's 4.4. TrueLean also leads on update cadence (fortnightly vs every 5 months). FastR's advantage is ratings volume (319 vs 8) and iOS requirement (15.0 vs 18.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. FastR sells 2 one-off in-app purchases and TrueLean sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

TrueLean holds the better App Store score, 4.9 against 4.4. That said, the two scores are not equally well evidenced: FastR has 319 ratings behind it against 8, so its average is the more settled of the two.

FastR ships an update every 5 months, TrueLean fortnightly. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | FastR | TrueLean |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (319 ratings)](https://appshunter.io/ios/app/fastr-0-60-acceleration-test/id1296375567/reviews) | **[4.9 (8 ratings)](https://appshunter.io/ios/app/truelean/id6781489594/reviews)** |
| Number of ratings | **319** | 8 |
| Positive reviews | 37.5% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Fortnightly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 20 MB | 4 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Erhies Fekarurhobo](https://appshunter.io/developer/1296375566) | [Zaden Connell](https://appshunter.io/developer/6781489596) |

## What reviewers say

### FastR

[App page](https://appshunter.io/ios/app/fastr-0-60-acceleration-test/id1296375567)

Measure your vehicle's acceleration performance with this app. It automatically tests 0-60 and quarter-mile times with millisecond accuracy. Compete with others on a real-time leaderboard and save results for different car models.

**Highlights:** Hands-free, automated acceleration testing, 0-60 and Quarter mile time measurement, Millisecond accuracy, Real-time user ranking, Save times for different car models

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10 Leaderboard Posts | $3.99 | one-time |
| Unlock 1/4 Mile Timing | $5.99 | one-time |

**What reviewers like**

- 👍 Easy to use interface and simple design
- 💡 Innovative concept for testing 0-60 times without expensive equipment
- 🏆 Competitive leaderboard feature for sharing times
- 📱 Well-designed app layout
- ✅ Accurate readings for slower vehicles (6+ second 0-60 times)

**What reviewers complain about**

- 🐛 Severe GPS lag and timing delays (1-3+ seconds behind actual speed)
- ❌ Highly inaccurate for high-performance vehicles (sub-5 second 0-60)
- 🔌 Network connection issues preventing app functionality
- 📵 Login and authentication problems (Facebook-only requirement)
- ⚠️ Inconsistent and unreliable acceleration measurements

**Reported bugs**

- Network connection errors preventing vehicle selection
- Facebook login buffering and not connecting
- App fails to record and save acceleration times
- GPS speed readings lag significantly behind actual speed
- App crashes on launch or during use

**Requested features**

- GPS-based auto-start feature instead of manual start button
- Audio cues for 'ready, set, go' countdown
- Alternative login methods beyond Facebook
- Save vehicle selection for future sessions
- Support for multiple vehicles per account


### TrueLean

[App page](https://appshunter.io/ios/app/truelean/id6781489594)

This app measures your motorcycle's lean angle during corners, providing accurate readings through transitions and steady states. It offers a live instrument cluster with speed, distance, and G-force data, and saves your ride history with detailed analysis and route mapping. Export your rides as GPX or CSV files.

**Highlights:** Accurate lean angle measurement, Live instrument cluster, Ride history and analysis, Route mapping with lean markers, GPX/CSV ride export, Hands-free start/stop, Battery optimization

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $4.99 | per month |
| Annual | $24.99 | per year |
| TrueLean Pro Lifetime | $79.99 | one-time |


## Frequently asked questions

### Is FastR free?

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

### Is TrueLean free?

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

### Which has better reviews, FastR or TrueLean?

TrueLean is rated higher. FastR averages 4.4 out of 5 from 319 ratings, while TrueLean averages 4.9 from 8 ratings.

### Do FastR or TrueLean have ads?

Neither FastR nor TrueLean shows ads.

### Which is updated more often, FastR or TrueLean?

FastR ships an update every 5 months, and TrueLean fortnightly. Most recently, FastR was updated on November 3, 2026 and TrueLean on November 5, 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.*