Comparison

RALLYSTREAM Tracking vs GPS Lap Timer

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

Head to head
About

RALLYSTREAM Tracking

Read full description

RallyStreamトラッキングは、ラリー競技用トラッキングアプリです。 ソフトウェアによる自動検出とエンジニアによる二重の監視体制で競技の進行を見守り、万一の事故発生時にはいち早くラリーコントロールへ正確な情報を提供します。RallyStreamトラッキングはラリーコントロールと連携し、迅速な初動対応をサポートします。 RallyStreamトラッキングは専用のハードウェアを必要としません。参加者のスマートフォンに専用アプリをインストールし、かんたんな設定をするだけでセットアップが完了します。

About

GPS Lap Timer

Accurately measure lap and sector times for race tracks using your iPhone's GPS. This app employs proprietary algorithms for precise timing without external receivers. It saves approximately 10,000 laps and supports numerous circuits worldwide.

Highlights
  • Accurate lap and sector timing
  • Uses iPhone GPS
  • Proprietary measurement algorithms
  • Saves up to 10,000 laps
  • Supports numerous global circuits
  • Stand-by mode for pocket use
Features
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• "GPS Lap Timer" is a lap timer app for racing circuits that utilizes the iPhone's GPS function. • Easily and accurately measure lap times and sector times using only your iPhone. No external GPS receiver is required. • The accuracy of a GPS lap timer is not determined solely by the GPS update frequency. This app achieves highly accurate lap time measurement through its unique measurement logic. • Approximately 10,000 measured lap times are saved and can be viewed and shared. • Enjoy a fulfilling racing life with this app! (How to use) Please see "https://gpslaptimer.blogspot.com/2026/08/gps-lap-timer-free-ios-app.html”. You can also access it from “Settings” → “User Guide” in the app. (Measurable circuits) Planned to be added. Please let us know if you have any requests. Please also report any bugs or issues. (Australia) Sydney Motorsport Park (Brabham, Gardner GP, Druitt North) Sydney Motorsport Park Amaroo South (Canada) Calabogie Motorsports Park CTMP Driver Development Track CTMP Grand Prix Track CTMP Karting Track (CCW) CTMP Karting Track (CW) Toronto Motorsports Park (CCW) Toronto Motorsports Park (CW) (France) Circuit Paul Ricard (Gernany) Nürburgring Nordschleife Nürburgring Nordschleife (BTG) (Japan) Please see “https://gpslaptimer.blogspot.com/2026/08/list-of-japanese-circuits.html”. (Malaysia) Sepang International Circuit (Taiwan) Lihpao G2 Circuit (Thailand) Chang International Circuit (United Kingdom) Oulton Park Circuit Silverstone International Circuit Silverstone Grand Prix Circuit Silverstone Stowe Circuit Silverstone National Circuit Donington Park Circuit Brands Hatch GP Circuit Brands Hatch Indy Circuit (United States) Blackhawk Farms Raceway BRP Kart CCW1 BRP Kart CW1 BRP Race CCW1 BRP Race CW1 BRP Race CCW2 BRP Race CW2 BRP The Circuit CCW (Buttonwillow Raceway Park) BRP The Circuit CW (Buttonwillow Raceway Park) Laguna Seca Road America Sebring Raceway GP Road Course Sonoma Raceway Summit Point Motorsports Park (Main) Summit Point (Jefferson Circuit CCW) Summit Point (Shenandoah Circuit CCW) VIR Grand∙Full Course VIR North Course VIR South Course VIR Patriot Course Waterford Hills Road Racing The developer assumes no responsibility for any accident, violation, loss or claims by third parties which may arise from the use of this app. Terms of Use: This application is provided under the Apple Standard End User License Agreement (EULA). https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

RALLYSTREAM Tracking4 screens
GPS Lap Timer4 screens

Verdict

The call

The clearest difference is in-app purchases: RALLYSTREAM Tracking at none against GPS Lap Timer's 3. RALLYSTREAM Tracking also leads on ads (none vs shown). GPS Lap Timer's advantage is update cadence (every 6 days vs every 6 weeks). On price, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. GPS Lap Timer sells 3 in-app purchases, starting at $3.99 per 3 months. RALLYSTREAM Tracking asks for nothing beyond the download.

UpkeepUpdate frequency

RALLYSTREAM Tracking ships an update every 6 weeks, GPS Lap Timer every 6 days. The most recent releases landed on October 14, 2026 and October 12, 2026 respectively.

Scorecard3 real differences · 5 level
RALLYSTREAM Tracking versus GPS Lap Timer: the parameters behind the verdict, then further details
ParameterRALLYSTREAM TrackingGPS Lap Timer
PriceFreeFree
Positive reviews—61.9% of reviews
Update frequencyEvery 6 weeksEvery 6 days — better
AdsNo — betterYes
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size2 MB8 MB
Age rating4+4+
DeveloperRallyStream inc.Takao Ichimura

In-app purchases

None

RALLYSTREAM Tracking

No in-app purchases

3 purchases

GPS Lap Timer

Subscriptions2
  • Unlimited Measurements$3.993 Months
  • Unlimited Measurements$5.991 Year
One-time1
  • Unlimited measurements$9.99

Questions

Is RALLYSTREAM Tracking free?
RALLYSTREAM Tracking is free to download, with no in-app purchases.
Is GPS Lap Timer free?
GPS Lap Timer is free to download, with in-app purchases available.
Do RALLYSTREAM Tracking or GPS Lap Timer have ads?
GPS Lap Timer shows ads; RALLYSTREAM Tracking does not.
Which is updated more often, RALLYSTREAM Tracking or GPS Lap Timer?
RALLYSTREAM Tracking ships an update every 6 weeks, and GPS Lap Timer every 6 days. Most recently, RALLYSTREAM Tracking was updated on October 14, 2026 and GPS Lap Timer on October 12, 2026.

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