# DIABLO™ Super Biker US vs TrueLean

The clearest difference is in-app purchases: DIABLO™ Super Biker US at none against TrueLean's 3. DIABLO™ Super Biker US also leads on ratings volume (118 vs 8) and iOS requirement (16.0 vs 18.0). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. TrueLean sells 3 in-app purchases, starting at $4.99 per month. DIABLO™ Super Biker US asks for nothing beyond the download.

TrueLean holds the better App Store score, 4.9 against 4.7. That said, the two scores are not equally well evidenced: DIABLO™ Super Biker US has 118 ratings behind it against 8, so its average is the more settled of the two.

DIABLO™ Super Biker US ships an update every 3 weeks, TrueLean fortnightly. The most recent releases landed on October 20, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | DIABLO™ Super Biker US | TrueLean |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (118 ratings)](https://appshunter.io/ios/app/diablo-super-biker-us/id465035123/reviews) | **[4.9 (8 ratings)](https://appshunter.io/ios/app/truelean/id6781489594/reviews)** |
| Number of ratings | **118** | 8 |
| Positive reviews | 45.6% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | **Free** | Freemium |
| Size | 55 MB | 4 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Pirelli Tire LLC](https://appshunter.io/developer/465035126) | [Zaden Connell](https://appshunter.io/developer/6781489596) |

## What reviewers say

### DIABLO™ Super Biker US

[App page](https://appshunter.io/ios/app/diablo-super-biker-us/id465035123)

Enhance your motorcycle riding experience with detailed data recording and analysis. Track your performance on the road or track, manage your bikes, and review your rides with improved accuracy and an intuitive interface.

**Highlights:** Improved data recording accuracy, Lean angle measurement, Tracking and weather conditions, Personal bike garage, World Superbike Championship circuits mapped, Lap time, speed, and lean angle recording, Performance review and sharing

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

**In-app purchases:** none

**What reviewers like**

- 📊 Accurate lean angle tracking (when calibrated)
- 🗺️ Detailed GPS mapping and ride tracking
- ⚡ Free app with useful features
- 🏁 Great for track day analysis
- 📈 Interesting data visualization and statistics

**What reviewers complain about**

- 🐛 Frequent crashes during signup/profile setup
- 🔴 App won't load or start
- ⚠️ GPS speed readings often inaccurate
- 🔌 Poor connectivity and data loss
- 📱 UI/UX issues blocking user interaction

**Reported bugs**

- App crashes when selecting motorcycle brand during signup
- Login screen freezes or stays black
- Keyboard won't dismiss, blocking UI elements
- Date picker and mileage scrollers get stuck
- Country selection dropdown won't close

**Requested features**

- Edit or trim ride data post-recording
- Ability to select multiple bikes in garage
- Zoom functionality for graph data visualization
- Pause/resume recording option
- Auto-start when motion detected


### TrueLean

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

This app accurately measures your motorcycle's lean angle during corners, providing detailed ride data and history. It offers a live instrument cluster, ride saving with route mapping, and exportable data. Designed for privacy with no accounts or ads.

**Highlights:** Accurate lean angle measurement, Live instrument cluster with speed and g-force, Ride history with route mapping, Exportable ride data (GPX/CSV), Hands-free start/stop, Battery optimization for long rides

**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 DIABLO™ Super Biker US free?

DIABLO™ Super Biker US is free to download, with no in-app purchases.

### Is TrueLean free?

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

### Which has better reviews, DIABLO™ Super Biker US or TrueLean?

TrueLean is rated higher. DIABLO™ Super Biker US averages 4.7 out of 5 from 118 ratings, while TrueLean averages 4.9 from 8 ratings.

### Do DIABLO™ Super Biker US or TrueLean have ads?

Neither DIABLO™ Super Biker US nor TrueLean shows ads.

### Which is updated more often, DIABLO™ Super Biker US or TrueLean?

DIABLO™ Super Biker US ships an update every 3 weeks, and TrueLean fortnightly. Most recently, DIABLO™ Super Biker US was updated on October 20, 2026 and TrueLean on October 25, 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.*