Swimming Timer vs JAPURI
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Swimming Timer
This app helps swimmers practice race starts with customizable timers and randomized delays. It also functions as a stopwatch to accurately measure lap and split times during training. Results can be saved and organized by date, with customizable event names and color themes.
- Customizable race start timer
- Randomized start delays
- Lap and split time measurement
- Save and view results by date
- Editable event names
- Customizable color themes
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Starter & stopwatch app for swimming. It can be used for practicing the starting race command or to help you measure your time. ●Basic Functions 1. Starter function You can set the time from TAKE YOUR MARKS to start sound as you like. It is also possible to randomize the time, which is useful for practicing the start. 2. Lap time & Split time Pressing the "Lap" button or "Stop" button after the start sound, the lap time and split time will be measured. If you accidentally press the button to measure a time, you can delete it by swiping the result cell to the left. 3. Saving results Measured times can be saved by pressing the "Save" button. Saved times can be viewed by date. 4. Event setting By tapping the event name under the time, you can freely select an event (e.g. Men's 100m Freestyle). In the initial display, 100m is set. 5. Color settings The background color and timer color can be changed.
JAPURI
This app provides members of the Masters Swimming Association with access to association announcements, competition history, and records. It also features a notification system for upcoming competition call times, ensuring members stay informed about their events.
- View association announcements
- Access competition history and records
- Compare past and upcoming competition data
- Receive call time notifications for events
- Member-exclusive access
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アプリのご利用方法 ■「協会からのお知らせ」閲覧 ログイン後のトップ画面に協会のお知らせが表示されます。 最新のものから5件表示されます。 ■競技会への出場履歴と記録の閲覧 ・過去に出場した競技会の確認ができます。 ・過去の大会記録から出場予定の大会の記録を確認して比較検討に活用できます。 ■招集通知機能 エントリーした大会の招集時間が近づくとアプリに通知が送られます 通知を受け取ったら招集場所へお集まりください ※本アプリはマスターズ水泳協会の会員専用のアプリです。 ご利用にはマスターズ水泳協会の会員登録が必要です。 ■一般社団法人日本マスターズ水泳協会について 日本マスターズ水泳協会は、マスターズ水泳の普及・振興に関する事業を行い、もって国民の心身の健全な発達に寄与することを目的とする、一般社団法人です。 http://www.masters-swim.or.jp/
Screenshots
Verdict
The clearest difference is review sentiment: Swimming Timer at 100% against JAPURI's 17%. JAPURI's advantage is in-app purchases (none vs 2) and ads (none vs shown). On price, update cadence, 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
Both are free to download. Swimming Timer sells 2 one-off in-app purchases. JAPURI asks for nothing beyond the download.
Swimming Timer ships an update every 3 months, JAPURI every 4 months. The most recent releases landed on September 25, 2026 and September 17, 2026 respectively.
| Parameter | Swimming Timer | JAPURI |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) — better | — |
| Positive reviews | 100.0% of reviews — better | 16.7% of reviews |
| Number of ratings | 4 — better | — |
| Update frequency | Every 3 months — better | Every 4 months |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 34 MB | 6 MB |
| Age rating | 17+ | 4+ |
| Developer | NAOYA ONO | VISH,inc |
Customer experience
Swimming Timer
JAPURI
In-app purchases
Swimming Timer
- Support Developer$0.99
- Remove ads$6.99
JAPURI
No in-app purchases
