Comparison

Race Start Signal vs PitLog

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

Head to head
About

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.

Highlights
  • Customizable start signal lights
  • Simple one-button operation
  • Suitable for mini 4WD racing
  • Suitable for R/C racing
  • Free to use
Features
Read full description

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.

About

PitLog

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
Read full description

ミニ四駆のラップタイムをスマホのカメラで自動計測するアプリです。 コースの脇にスマホを置くだけで、車体がラインを通過する瞬間を自動で検知してラップタイムを記録します。手動操作は一切不要です。 【主な機能】 ・カメラによる自動ラップタイム計測 ・マシンごとのタイム管理と比較 ・コースごとのベストタイム管理 ・セッティング(モーター・ギア比・タイヤ)の記録 ・タイムとセッティングの紐づけ管理 ・マイクでモーターのRPMをリアルタイム計測 ・グラフでタイムの推移を確認 ・CSVエクスポート対応 【プラン】 ・無料:基本機能(マシン2台・コース1・記録30件) ・上限アップ ¥200:マシン5台・コース5・記録100件に拡張 ・機能パック ¥400:グラフ分析・モーターRPM計測・CSVエクスポート ・Pro ¥500:全機能+完全無制限 ※本アプリはタミヤ株式会社とは一切関係ありません。

Screenshots

Race Start Signal4 screens
PitLog4 screens

Verdict

The call

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.

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. 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.

UpkeepUpdate frequency

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.

Scorecard2 real differences · 8 level
Race Start Signal versus PitLog: the parameters behind the verdict, then further details
ParameterRace Start SignalPitLog
PriceFreeFree
Rating5.0 (2 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 5 monthsEvery 3 days — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.6 — better16.6
Further details — not scored
Size40 MB2 MB
Age rating4+4+
DeveloperNAOYA ONORyousuke Fujii

In-app purchases

2 purchases

Race Start Signal

One-time2
  • Support Developer$0.99
  • Remove ads$4.99
3 purchases

PitLog

One-time3
  • 上限パック$0.99
  • 機能パック$1.99
  • PitLog Pro$2.99

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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