# Dyno Chart vs TORQUE OBD2 LITE

The clearest difference is rating: TORQUE OBD2 LITE at 1.8 against Dyno Chart's 1.2. Dyno Chart's advantage is iOS requirement (7.0 vs 16.0). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Dyno Chart sells 1 one-off in-app purchase and TORQUE OBD2 LITE sells 2 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

TORQUE OBD2 LITE holds the better App Store score, 1.8 against 1.2. Both are backed by a comparable volume of ratings — 6 and 10 respectively.

Dyno Chart ships an update every 3 months, TORQUE OBD2 LITE every 2 months. The most recent releases landed on October 10, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Dyno Chart | TORQUE OBD2 LITE |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.2 (6 ratings)](https://appshunter.io/ios/app/dyno-chart-obd-ii-engine-performance-tool/id602676538/reviews) | **[1.8 (10 ratings)](https://appshunter.io/ios/app/torque-obd2-lite-car-check/id6738406150/reviews)** |
| Number of ratings | 6 | **10** |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 9 MB | 11 MB |
| Requires iOS | **7.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [K SOLUTION LLC](https://appshunter.io/developer/289670447) | [Tran Van Dieu](https://appshunter.io/developer/1780730100) |

## What reviewers say

### Dyno Chart

[App page](https://appshunter.io/ios/app/dyno-chart-obd-ii-engine-performance-tool/id602676538)

This tool analyzes your vehicle's engine performance, displaying max power and torque against RPM. It connects via an OBD II adapter to gather sensor data and generate detailed charts. Ensure compatibility before unlocking full features.

**Highlights:** Max power and torque vs RPM charts, OBD II sensor data collection, Vehicle compatibility check, ELM Wi-Fi/Bluetooth LE adapter support, In-app chart function unlock

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Dyno Chart Unlock | $4.99 | one-time |


### TORQUE OBD2 LITE

[App page](https://appshunter.io/ios/app/torque-obd2-lite-car-check/id6738406150)

Monitor your car's health and performance in real-time. This app connects to your vehicle via Bluetooth and an OBD2 adapter to read data, clear trouble codes, and visualize performance metrics. Improve efficiency and avoid costly repairs with detailed diagnostics.

**Highlights:** Read car data, Clear trouble codes, Real-time visualizations, Car diagnostics, Monitor sensors, Fuel consumption tracking

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OBD2 PRO Weekly | $2.99 | per 7 days |
| OBD2 PRO Monthly | $4.99 | per month |


## Frequently asked questions

### Is Dyno Chart free?

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

### Is TORQUE OBD2 LITE free?

TORQUE OBD2 LITE is free to download, with in-app purchases available.

### Which has better reviews, Dyno Chart or TORQUE OBD2 LITE?

TORQUE OBD2 LITE is rated higher. Dyno Chart averages 1.2 out of 5 from 6 ratings, while TORQUE OBD2 LITE averages 1.8 from 10 ratings.

### Do Dyno Chart or TORQUE OBD2 LITE have ads?

Neither Dyno Chart nor TORQUE OBD2 LITE shows ads.

### Which is updated more often, Dyno Chart or TORQUE OBD2 LITE?

Dyno Chart ships an update every 3 months, and TORQUE OBD2 LITE every 2 months. Most recently, Dyno Chart was updated on October 10, 2026 and TORQUE OBD2 LITE on October 6, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*