Comparison

Dyno Chart vs TORQUE OBD2 LITE

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Dyno Chart

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
Read full description

Dyno Chart is vehicle engine performance evaluation tool, which provides you the information of max power and torque vs RPM. Dyno Chart app uses OBD II interface on your vehicle to collect sensor data and build the chart. Please follow the app instruction for compatibility check before you purchase and unlock the in-app chart function. The app needs an ELM compatible Wi-Fi or Bluetooth Low Energy (for iPhone4s and later) adapter to work. You can check Developer WebSite for Adapter Guide: http://www.outdoor-apps.com/enginelink.html Drop us an email for any suggestions/questions you may have at support@ksolution.org. We will answer.

About

TORQUE OBD2 LITE

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
Read full description

Take control of your car’s health and performance with TORQUE OBD2 LITE - Car Check App. This easy-to-use app connects to your vehicle via Bluetooth and an OBD2 device or ELM 327 OBD2 adapter, allowing you to perform real-time diagnostics, monitor performance, and even clear trouble codes. Perfect for anyone who wants to stay on top of their car’s condition and improve efficiency! Key Features: • Read Car Data: Access important data from your car’s engine, transmission, and more, directly from your phone. • Clear Trouble Codes: Easily clear trouble codes and turn off the check engine light, saving you time and money. • Real-Time Visualizations: View your car’s performance metrics in easy-to-understand graphs and gauges. • Car Diagnostics: Get detailed diagnostics on your vehicle’s systems, so you can take proactive steps to avoid costly repairs. • Monitor Sensors: Access all supported sensors and check your car’s performance live to keep track of its health. • Fuel Consumption & Mileage Tracking: Monitor your car’s fuel efficiency, track your mileage, and use the data to improve your driving habits and save on fuel costs. Whether you're a car enthusiast or simply want to ensure your vehicle is running smoothly, TORQUE OBD2 LITE gives you the tools you need for smarter driving. More Subscription Information: • Monthly plan and weekly plan are available. • Payment will be charged to your Apple ID account at confirmation of purchase. • Subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period. • Within 24-hours prior to the end of the current period, the account will be charged for the renewal of the subscription, indicating the cost of the renewal. • You can manage subscriptions and turn off auto-renewal after purchase by going to your App Store account settings. • Any unused portion of a free trial period, if offered, will be forfeited when purchasing a subscription. For more details, please review our Privacy Policy: https://sites.google.com/view/obd2-lite/privacy-policy and Terms of Use: https://sites.google.com/view/obd2-lite/term-of-use Have questions or suggestions? Feel free to contact us at https://sites.google.com/view/obd2-lite We'd love to hear from you!

Screenshots

Dyno Chart4 screens
TORQUE OBD2 LITE3 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard2 real differences · 8 level
Dyno Chart versus TORQUE OBD2 LITE: the parameters behind the verdict, then further details
ParameterDyno ChartTORQUE OBD2 LITE
PriceFreeFree
Rating1.2 (6 ratings)1.8 (10 ratings) — better
Positive reviews20.0% of reviews—
Number of ratings610 — better
Update frequencyEvery 3 monthsEvery 2 months — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPod — betteriPhone
Requires iOS7.0 — better16.0
Further details — not scored
Size9 MB11 MB
Age rating4+4+
DeveloperK SOLUTION LLCTran Van Dieu

Customer experience

Dyno Chart

All ratings6 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews20 reviews
Positive20.0%
Neutral15.0%
Negative65.0%

TORQUE OBD2 LITE

All ratings10 ratings
Positive20.0%
Neutral0.0%
Negative80.0%

In-app purchases

1 purchases

Dyno Chart

One-time1
  • Dyno Chart Unlock$4.99
2 purchases

TORQUE OBD2 LITE

Subscriptions2
  • OBD2 PRO Weekly$2.997 Days
  • OBD2 PRO Monthly$4.991 Month

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.

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