Mini4 Lap Timer vs Race Start Signal
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Mini4 Lap Timer
This application uses your iPhone's camera to automatically time laps for Mini4wd races. Simply set up the number of lanes, point the camera at the track, and start your race. The timer begins automatically when a car passes in front of the camera.
- Camera-based lap timing
- Automatic start detection
- Configurable number of lanes
- Easy setup for races
- Designed for Mini4wd
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This is lap timer for Mini4wd what use iPhone's camera. [Usage] 1. Select the number of lanes to time. 2. Point lanes of the course with camera from above. And show mini4wd as large as possible. 3. Tap the [I'm Ready!] button. 4. Run your mini4wd on the course. 5. Auto start to time when the mini4wd passes through the in front of camera.
Race Start Signal
This application provides a customizable start signal for miniature car and R/C racing. Easily change the color of the display circles with a simple button press. It's a free alternative for those who don't want to purchase dedicated starting signal hardware.
- Customizable start signal lights
- Simple one-button operation
- Suitable for mini 4WD racing
- Suitable for R/C racing
- Free to use
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This is an app for start signal that can be used for mini 4WD and R/C racing. Just press the start button to use it, and you can change the color of the circles to your liking. If you don't want to pay for a starting signal just to play, please give it a try.
Screenshots
Verdict
The clearest difference is in-app purchases: Mini4 Lap Timer at none against Race Start Signal's 2. Mini4 Lap Timer also leads on ads (none vs shown) and update cadence (every 2 months vs every 5 months). Race Start Signal's advantage is rating (5.0 vs 4.7) and review sentiment (100% vs 79%). On price and device support 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. Race Start Signal sells 2 one-off in-app purchases. Mini4 Lap Timer asks for nothing beyond the download.
Race Start Signal holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Mini4 Lap Timer has 16 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 79% of Mini4 Lap Timer's written reviews are positive against 100% of Race Start Signal's.
Mini4 Lap Timer ships an update every 2 months, Race Start Signal every 5 months. Both last shipped on October 24, 2026.
| Parameter | Mini4 Lap Timer | Race Start Signal |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (16 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 79.2% of reviews | 100.0% of reviews — better |
| Number of ratings | 16 — better | 2 |
| Update frequency | Every 2 months — better | Every 5 months |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 10.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 40 MB | 40 MB |
| Age rating | 4+ | 4+ |
| Developer | Ryuta Kibe | NAOYA ONO |
Customer experience
Mini4 Lap Timer
Race Start Signal
In-app purchases
Mini4 Lap Timer
No in-app purchases
Race Start Signal
- Support Developer$0.99
- Remove ads$4.99
Questions
Is Mini4 Lap Timer free?
Is Race Start Signal free?
Which has better reviews, Mini4 Lap Timer or Race Start Signal?
Do Mini4 Lap Timer or Race Start Signal have ads?
Which is updated more often, Mini4 Lap Timer or Race Start Signal?
Other comparisons
