Racing Slips vs UAF Control
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Racing Slips
Record and access your drag racing time slips digitally. Calculate density altitude to predict your next ET dial and eliminate the need for paper slips. View qualification, pairing, and ladder reports easily.
- Digital time slip recording
- Density altitude calculation
- ET dial prediction
- Qualification reports
- Pairing reports
- Ladder reports
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Use our app to view your Drag Racing Time Slips! Our app also record your density altitude at the time of your race so you can use the data to predict your next ET dial. No more paper to go through, all your racing time slips in the palm of your hand using your iPhone or iPad! Access all the qualification, pairing and ladder reports using our TimeSlip app! This app can be used at the Napierville Dragway Tracks in Québec. You can review our "Terms of Use" here: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ You can review our "Privacy Policy" here: https://www.dynogeeks.com/privacy.html
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: Racing Slips at 5.0 against UAF Control's 3.3. Racing Slips also leads on update cadence (every 4 days vs every 2 months). UAF Control's advantage is in-app purchases (none vs 2) and ratings volume (4 vs 1). On price, ads, device support and iOS requirement 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. Racing Slips sells 2 in-app purchases, starting at $4.99 per month. UAF Control asks for nothing beyond the download.
Racing Slips holds the better App Store score, 5.0 against 3.3. Both are backed by a comparable volume of ratings — 1 and 4 respectively.
Racing Slips ships an update every 4 days, UAF Control every 2 months. The most recent releases landed on September 28, 2026 and September 27, 2026 respectively.
| Parameter | Racing Slips | UAF Control |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 3.3 (4 ratings) |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | 1 | 4 — better |
| Update frequency | Every 4 days — better | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.6 |
| Further details — not scored | ||
| Size | 19 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | Stephan Monette | Corporation Unitronic Inc |
Customer experience
Racing Slips
UAF Control
In-app purchases
Racing Slips
- Premium Sharing$4.991 Month
- Annual Premium Access$8.991 Year
UAF Control
No in-app purchases








