Flow Tracker vs YOBIOKO
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Flow Tracker
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■続けるほど、滝が勢いを増す Flow Trackerは、毎日の達成を“水の流れ”として表現。 1タップで記録が完了し、続けるほど滝が力強く流れます。 「今日もできた」が積み重なる感覚を、目で見て楽しめます。 ■シンプル × 無理のない継続設計 ・アプリを開いて 3秒で記録完了 ・モチベーションが落ちても、5分ルール通知で優しくサポート ・AIがあなたの「続きやすい時間帯」を提案 ■広告なし・完全無料 Flow Trackerは、集中を途切れさせません。 広告も課金も不要。誰でも安心して続けられます。 シンプルなUIと静かなアニメーションで、心地よく使えます。 ■自分の「続くパターン」を発見 ・曜日×時間帯の成功傾向をヒートマップで分析 ・習慣の「詰まりポイント」をAIが検出 ・継続率や最長記録など、モチベーション維持に役立つ統計を自動表示 ■こんな人におすすめ • ダイエット・筋トレ・勉強を続けたい • ToDoアプリでは長続きしない • 記録を“美しく”残したい • 無駄な広告や通知が嫌い ■「流れ」が途切れない日々を Flow Trackerは、あなたの継続を支える“滝のようなパートナー”。 今日から、静かに流れ始める習慣の旅を始めませんか? ■プライバシーと信頼性 • 広告なし/トラッキングなし • すべてのデータはデバイス内で安全に保存
YOBIOKO
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The way to stop the alarm is simple: type today’s tasks. YOBIOKO is an alarm app you stop by typing the things you need to do. “Take out the trash” “Finish the proposal” “Go to the gym” The tasks you created appear when your morning alarm goes off. By the time you finish typing them all, you can start your day with your to-dos already in mind. ■ TYPE YOUR TASKS. WAKE UP. Getting started is simple. 1. Add the tasks you need to do today 2. The alarm rings at the time you set 3. Type the same text shown on the screen 4. Finish all tasks to stop the alarm ■ STOP TYPING, AND IT RINGS AGAIN The alarm stays quiet while you are typing. But if you stop typing for 5 seconds, the alarm starts ringing again. Even if you get sleepy and stop midway, YOBIOKO will remind you again. ■ TURN WAKING UP INTO PREPARATION FOR YOUR DAY Instead of solving math problems or typing random phrases, you type the things you actually need to do that day. YOBIOKO is inspired by the “generation effect,” the idea that information can be easier to remember when you actively produce it yourself. The action of waking up also becomes a chance to remember what you need to do that day. ■ DESIGNED TO MAKE GOING BACK TO SLEEP HARDER • The alarm resumes if you stop typing for 5 seconds • Set snooze time from 1 to 10 minutes • The alarm rings again if you stop typing or leave the app • Optional wake-up confirmation • The alarm can ring even when the screen is off or the phone is in Silent Mode ■ SEE YOUR MORNINGS IN NUMBERS Each morning, YOBIOKO records: • Morning Score out of 1,000 • Rank from S+ to D • Typing speed • Accuracy • Best combo Look back on your mornings and enjoy seeing how they change over time. ■ WHAT’S YOUR MORNING TYPE? Your morning typing style is measured across four dimensions: • Speed • Accuracy • Consistency • Recovery These combine to create 16 different Morning Types. Rabbit, cat, turtle, sloth... As you build more records, you can start to see your own morning patterns. Scores and Morning Types are designed for self-discovery and fun. ■ KEEP YOUR DAILY TASKS ORGANIZED YOBIOKO is not just an alarm. You can also use it as a simple everyday task manager. • Quickly add tasks • Manage completed and incomplete tasks • Repeat tasks every day or on selected days • Set reminder notifications Add what you need to do, and use those same tasks in the next morning’s alarm. ■ CUSTOMIZE IT FOR YOUR MORNING Choose how many tasks to type each morning: • Small: 3 tasks • Medium: 5 tasks • High: 10 tasks You can also adjust typo tolerance, snooze time, and other settings. ■ NO ACCOUNT REQUIRED No registration or login is required. Your tasks and morning records are stored only on your device. ■ PREMIUM Premium includes: • No ads • Unlimited alarms • Ultra level: type all of your tasks • Unlimited access to records and analytics • Detailed morning analytics • Trends by day of the week and wake-up time • Personal bests and tips • Choose wake-up confirmation timing from 5, 10, 15, 20, or 30 minutes The free version still includes: • The full “type your tasks to stop the alarm” experience • Morning Score • Rank • 16 Morning Types ■ SUBSCRIPTION Premium is an auto-renewing monthly subscription. You can cancel at any time. After cancellation, Premium remains available until the end of the current billing period. Refunds are handled according to Apple’s policies. Requires iOS 26 or later Terms of Use https://yobioko.net/terms/ Privacy Policy https://yobioko.net/privacy/ Support https://yobioko.net/support/
Screenshots
Verdict
The clearest difference is in-app purchases: Flow Tracker at none against YOBIOKO's 1. Flow Tracker also leads on ads (none vs shown) and iOS requirement (18.6 vs 26.0). YOBIOKO's advantage is update cadence (every 2 days vs weekly). 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
Both are free to download. YOBIOKO sells 1 in-app purchase, starting at $3.99 per month. Flow Tracker asks for nothing beyond the download.
Flow Tracker ships an update weekly, YOBIOKO every 2 days. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.
| Parameter | Flow Tracker | YOBIOKO |
|---|---|---|
| Price | Free | Free |
| Update frequency | Weekly | Every 2 days — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 18.6 — better | 26.0 |
| Further details — not scored | ||
| Size | 12 MB | 26 MB |
| Age rating | 4+ | 4+ |
| Developer | Yushi Endo | HUGBIT |
In-app purchases
Flow Tracker
No in-app purchases
YOBIOKO
- Yobioko Premium$3.991 Month









