Comparison

RRタイマー vs Multicolor Stopwatch

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

Head to head
About

RRタイマー

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<カウントダウンタイマーとして使う> 設定画面でスイッチを「カウントダウン」にすると、時間が減算される方向でタイマーが動きます。 1、[設定](歯車)ボタンを押してスイッチを「カウントダウン」にします。 2、[開始時間]ボタンを押して開始時間をセットします。 3、[START]ボタンを押します。 時間がゼロになるとキラキラと星が散るエフェクトと音が鳴ります。 時間がゼロになる前に[RESTART]ボタンを押すと、止まることなくまたいちからスタートします。 停止したい場合は[STOP]ボタンを押します。再開したい場合は[つづき]ボタンをおし、最初に戻したい場合は[RESET]ボタンを押します。 <カウントアップタイマーとして使う> 設定画面でスイッチを「カウントアップ」にすると、時間が加算される方向でタイマーが動きます。 1、[設定](歯車)ボタンを押してスイッチを「カウントアップ」にします。 また、ここで時間も設定します。 2、[START]ボタンをおします。 さきほど設定した時間になるとキラキラと星が散るエフェクトと音が鳴ります。 [STOP]ボタンや[RESET]ボタンを押さない限り、ずっとカウントアップをし続けます。 [RESTART]ボタンを押すと、止まることなくまたいちからスタートします。 停止したい場合は[STOP]ボタンを押します。再開したい場合は[つづき]ボタンをおし、最初に戻したい場合は[RESET]ボタンを押します。 <各ボタンの説明> ●[START/RESET]ボタン タイマー開始します。 開始した後、ふたたびボタンを押すと、すぐさま再スタートします。 ●[STOP/つづき]ボタン タイマーがストップします。時間はボタンを押した時間のままでいます。 ふたたびこのボタンを押すと、先ほど止めた時間のつづきからカウントを再開します。 ●[RESET]ボタン タイマーがストップし「開始時間」で設定した時間に戻ります。 ●[開始時間]ボタン 開始時間を設定します。 [RESET]ボタンを押すとこの時間に戻ります。 ●[設定](歯車)ボタン 各種設定ができます。 ・「カウントアップ/カウントダウン」スイッチで、時間が進む方向を設定します。 ・画面を3つのうちから選ぶことができます。「紙片」タイプを選ぶと、時間の経過とともに紙片がぱらぱらめくれるアクションをします。 ・時間になったら鳴る音をかえたり、無音にしたりできます。 ・曲を選択した場合、鳴らす曲を7つのうちから選択することができます。[選曲]ボタンを押してください。 ※アプリ起動中はスリープに入らないようにしています。アプリの起動しっぱなしにご注意下さい。

About

Multicolor Stopwatch

This intuitive stopwatch app offers high-precision time measurement with lap and split time tracking. Customize your experience with multiple color themes, adjustable font sizes, and the ability to run up to ten stopwatches simultaneously, even when the app is closed.

Highlights
  • High-precision 1/1000 second measurement
  • Lap and split time tracking
  • Up to 10 simultaneous stopwatches
  • Background measurement support
  • Customizable color themes and dark mode
  • Adjustable font size
Features
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This is a stopwatch app that is simple to use, but has a wide range of functions. Ideal for time measurement in competitions, training, experiments, and small daily measurements. It is intuitive and designed so that anyone can use it immediately. This app has the following features, making measurement work even more efficient. [Main functions] 1. Simple stopwatch This app is a simple and easy-to-use stopwatch app. The buttons to start and stop measurement are large and easy to operate. You can measure time immediately without having to learn special operations. 2. Lap time and split time measurement You can measure lap times and split times, and record times for multiple sections. Lap times are measured for each lap, and split times can be checked for each specific section, making it ideal for marathons and training. 3. High-precision measurement (1/1000 second units) The time measurement accuracy is measured in 1/1000 second units, so it can also handle the high-precision measurements required for sports and experiments. You can use it with confidence even when measuring minute differences. 4. Supports a wide variety of color themes and dark mode You can choose from 7 color themes that allow visual customization, and a dark mode that is easy on the eyes. By setting your favorite color scheme, you can measure time more comfortably. With your own interface, you will not get tired even if you use it for a long time. 5. Adjustable font size You can freely adjust the font size of the measurement. Since you can make fine adjustments, you can display it at the optimal size according to your preference. 6. Up to 10 stopwatches can be used simultaneously You can create up to 10 stopwatches in the app and measure them simultaneously. It is useful in various scenes such as tracking multiple activities at the same time, and team competitions and practice. 7. Measurement continues even if the app is closed After starting the stopwatch, the measurement will not be interrupted even if you close the app or restart your smartphone. This allows you to accurately keep track of important times without being interrupted. [Usage scenarios] 1. Running / marathon Manage your running pace while recording lap times. You can accurately grasp your own time. 2. Sports training You can use multiple stopwatches at the same time to measure the progress of your training. 3. Scientific experiments and measurements Supports accurate time measurement in experiments that require high-precision measurements. 4. Daily time management Convenient for daily use to measure cooking time and task progress. [Summary] A stopwatch app that combines simplicity and high functionality. It is packed with many features, including highly accurate 1/1000 second measurements, simultaneous use of multiple stopwatches, background measurements, and customizable designs. Experience comfortable time measurement with this app that is perfect for sports, experiments, and everyday time measurement. Terms of Use https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

RRタイマー4 screens
Multicolor Stopwatch4 screens

Verdict

The call

The clearest difference is in-app purchases: RRタイマー at none against Multicolor Stopwatch's 6. RRタイマー also leads on ads (none vs shown) and iOS requirement (12.0 vs 15.0). Multicolor Stopwatch's advantage is update cadence (every 5 days vs every 38 months). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Multicolor Stopwatch sells 6 in-app purchases, starting at $0.99 per month. RRタイマー asks for nothing beyond the download.

UpkeepUpdate frequency

RRタイマー ships an update every 38 months, Multicolor Stopwatch every 5 days. The most recent releases landed on September 19, 2026 and September 9, 2026 respectively.

Scorecard4 real differences · 5 level
RRタイマー versus Multicolor Stopwatch: the parameters behind the verdict, then further details
ParameterRRタイマーMulticolor Stopwatch
PriceFreeFree
Rating—5.0 (2 ratings) — better
Number of ratings—2 — better
Update frequencyEvery 38 monthsEvery 5 days — better
AdsNo — betterYes
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better15.0
Further details — not scored
Size30 MB45 MB
Age rating4+4+
DeveloperMika HatakeyamaMOSHIMORE

In-app purchases

None

RRタイマー

No in-app purchases

6 purchases

Multicolor Stopwatch

Subscriptions6
  • Basic Monthly Subscription$0.991 Month
  • Standard Monthly Subscription$1.991 Month
  • Premium Monthly Subscription$3.991 Month
Show 3 more
  • Basic Yearly Subscription$9.991 Year
  • Standard Yearly Subscription$14.991 Year
  • Premium Yearly Subscription$19.991 Year

Questions

Is RRタイマー free?
RRタイマー is free to download, with no in-app purchases.
Is Multicolor Stopwatch free?
Multicolor Stopwatch is free to download, with in-app purchases available.
Do RRタイマー or Multicolor Stopwatch have ads?
Multicolor Stopwatch shows ads; RRタイマー does not.
Which is updated more often, RRタイマー or Multicolor Stopwatch?
RRタイマー ships an update every 38 months, and Multicolor Stopwatch every 5 days. Most recently, RRタイマー was updated on September 19, 2026 and Multicolor Stopwatch on September 9, 2026.

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