Comparison

見やすいストップウォッチ 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

見やすいストップウォッチ

Features
Read full description

【陸上競技などに便利!両利き対応ストップウォッチが新登場!】 自動履歴保存機能&両利き対応の片手操作が可能な見やすいストップウォッチアプリです。 このストップウォッチは、右利き用レイアウトと左利き用レイアウトをボタン1つで変更ができます! また、ラップタイムの見やすさにもこだわりました。 片手操作で測定しながら、同時にノートに記録をするなど、使い始めると手放せないストップウォッチアプリになること間違いなし! Ver.1.2からは自動履歴保存機能が追加されました。 面倒な操作は必要なし! リセットと同時に履歴が自動で追加されます。 「ベストタイムを出したのに間違えてリセットしてしまった」という時も履歴からタイムを確認できます。 Ver.1.6からサウンドによるお知らせ機能(1分毎)が追加されました。 【ストップウォッチの使い方】 「スタート」を押して測定を開始します。 「一時停止」を押すと測定を一時停止し、「再開」を押すと計測が再開します。 測定中に「ラップ」を押すと、画面下にラップタイムとトータルタイムが表示されます。 「リセット」を押すと測定した時間がリセットされ、自動的に履歴が残ります。 ※1回の測定中に記録できるラップタイムの上限数は30回です。機能制限をApp内課金オプションにて解除可能です。上限数が99回になります。 【履歴の確認方法】 測定停止中に「履歴」を押すことで、履歴画面に遷移します。 履歴の保存数は最大20回で、20回を超えると古い履歴から自動的に削除されます。 ※機能制限をApp内課金オプションにて解除可能です。最大履歴表示数が60回になります。

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
Read full description

• "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 (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

見やすいストップウォッチ1 screens
GPS Lap Timer4 screens

Verdict

The call

The clearest difference is update cadence: GPS Lap Timer at every 6 days against 見やすいストップウォッチ's monthly. On price, ads, in-app purchases 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. 見やすいストップウォッチ sells 1 one-off in-app purchase and GPS Lap Timer sells 3 in-app purchases, starting at $3.99 per 3 months. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

見やすいストップウォッチ ships an update monthly, GPS Lap Timer every 6 days. The most recent releases landed on September 18, 2026 and September 29, 2026 respectively.

Scorecard1 real difference · 7 level
見やすいストップウォッチ versus GPS Lap Timer: the parameters behind the verdict, then further details
Parameter見やすいストップウォッチGPS Lap Timer
PriceFreeFree
Positive reviews—61.9% of reviews
Update frequencyMonthlyEvery 6 days — better
AdsYesYes
In-app purchasesYesYes
Monetization—Free with in-app purchases
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.015.0
Further details — not scored
Size23 MB8 MB
Age rating4+4+
DeveloperHIROKI HAYASHITakao Ichimura

In-app purchases

1 purchases

見やすいストップウォッチ

One-time1
  • 広告非表示と機能制限の解除$0.99
3 purchases

GPS Lap Timer

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

Questions

Is 見やすいストップウォッチ free?
見やすいストップウォッチ is free to download, with in-app purchases available.
Is GPS Lap Timer free?
GPS Lap Timer is free to download, with in-app purchases available.
Do 見やすいストップウォッチ or GPS Lap Timer have ads?
Both 見やすいストップウォッチ and GPS Lap Timer show ads.
Which is updated more often, 見やすいストップウォッチ or GPS Lap Timer?
見やすいストップウォッチ ships an update monthly, and GPS Lap Timer every 6 days. Most recently, 見やすいストップウォッチ was updated on September 18, 2026 and GPS Lap Timer on September 29, 2026.

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