Dyno Chart vs UAF Control
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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.
UAF Control
Wirelessly adjust advanced features of your vehicle's ECU tuning software. Customize launch control, exhaust flap behavior, and exhaust overrun sound for a personalized driving experience. Requires specific hardware and tuned ECU software.
- Adjust launch control RPM and boost
- Customize exhaust flap behavior by drive mode
- Personalize exhaust overrun sound duration and intensity
- Wireless on-the-fly adjustments
- Requires custom Bluetooth module and tuned ECU software
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Unitronic's Advanced Features (UAF) Control allows you to wirelessly adjust Advanced Features within Unitronic's ECU Performance Software on-the-fly, allowing you to totally customize your tuning experience. From adjusting standing and rolling launch control RPM and boost pressure setpoints, to customizing exhaust flap behaviors by drive mode, as well as giving you the ability to adjust exhaust overrun sound duration and intensity, UAF Control gives you the ability to personalize your vehicle like never before! NOTE: This app requires a custom Bluetooth module (Unitronic UniFLEX or FEATURE BOX) to allow for wireless control of Advanced Features. This app requires customized ECU Performance Software calibrated to add Unitronic Advanced Features (UAF) as well.
Screenshots
Verdict
The clearest difference is rating: UAF Control at 3.3 against Dyno Chart's 1.2. UAF Control also leads on in-app purchases (none vs 1). Dyno Chart's advantage is review sentiment (20% vs 0%) and iOS requirement (7.0 vs 15.6). 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
Both are free to download. Dyno Chart sells 1 one-off in-app purchase. UAF Control asks for nothing beyond the download.
UAF Control holds the better App Store score, 3.3 against 1.2. Both are backed by a comparable volume of ratings — 6 and 4 respectively. Written reviews complicate that: 20% of Dyno Chart's written reviews are positive against 0% of UAF Control's, so the app with the better star average is not the one people write more warmly about.
Dyno Chart ships an update every 3 months, UAF Control every 2 months. The most recent releases landed on October 10, 2026 and October 12, 2026 respectively.
| Parameter | Dyno Chart | UAF Control |
|---|---|---|
| Price | Free | Free |
| Rating | 1.2 (6 ratings) | 3.3 (4 ratings) — better |
| Positive reviews | 20.0% of reviews — better | 0.0% of reviews |
| Number of ratings | 6 — better | 4 |
| Update frequency | Every 3 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 7.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 9 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | K SOLUTION LLC | Corporation Unitronic Inc |
Customer experience
Dyno Chart
UAF Control
In-app purchases
Dyno Chart
- Dyno Chart Unlock$4.99
UAF Control
No in-app purchases









