# Race Start Signal vs PitLog

The clearest difference is ads: PitLog at none against Race Start Signal's shown. PitLog also leads on update cadence (every 3 days vs every 5 months). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. Race Start Signal sells 2 one-off in-app purchases and PitLog sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Race Start Signal ships an update every 5 months, PitLog every 3 days. The most recent releases landed on October 24, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Race Start Signal | PitLog |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/race-start-signal/id6443937116/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Every 3 days** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 40 MB | 2 MB |
| Requires iOS | **15.6** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [NAOYA ONO](https://appshunter.io/developer/1530328146) | [Ryousuke Fujii](https://appshunter.io/developer/1895464019) |

## What reviewers say

### Race Start Signal

[App page](https://appshunter.io/ios/app/race-start-signal/id6443937116)

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.

**Highlights:** Customizable start signal lights, Simple one-button operation, Suitable for mini 4WD racing, Suitable for R/C racing, Free to use

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Support Developer | $0.99 | one-time |
| Remove ads | $4.99 | one-time |


### PitLog

[App page](https://appshunter.io/ios/app/pitlog/id6763734018)

Automatically measure lap times for mini 4WD races using your smartphone camera. Simply place your phone near the track to detect car crossings and record times without manual input. Track machine performance, compare best times, and record settings.

**Highlights:** Automatic lap time measurement via camera, Machine and course-specific time management, Setting and time linkage, Real-time motor RPM measurement via microphone, Time trend graphs, CSV export

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 上限パック | $0.99 | one-time |
| 機能パック | $1.99 | one-time |
| PitLog Pro | $2.99 | one-time |


## Frequently asked questions

### Is Race Start Signal free?

Race Start Signal is free to download, with in-app purchases available.

### Is PitLog free?

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

### Do Race Start Signal or PitLog have ads?

Race Start Signal shows ads; PitLog does not.

### Which is updated more often, Race Start Signal or PitLog?

Race Start Signal ships an update every 5 months, and PitLog every 3 days. Most recently, Race Start Signal was updated on October 24, 2026 and PitLog on September 22, 2026.

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