BathLog+ vs Caffeine Clock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BathLog+
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毎日のお風呂、気づけば億劫になってしまうことはありませんか? BathLog+は、お風呂の記録をスマートに管理し、続ける力をサポートするために作られたシンプルで使いやすいトラッキングアプリです。忙しい日々の中でも、自分のペースで続けられることを大切にしています。 特徴: • 簡単記録:ワンタップでお風呂の記録を残せます。 • カレンダー表示:過去の記録を一目で確認でき、達成感を得られます。 • 連続記録の励まし:途切れても温かいメッセージで次の一歩をサポート。 • レベルアップ機能:お風呂に入るたびに経験値を獲得し、楽しく続けられます。 • プライバシー保護:データは非公開。自分だけの習慣づくりに集中できます。 BathLog+は、メンタルヘルスに不調があっても無理なく使える設計です。心と体のリフレッシュをサポートし、少しずつ新しい習慣を育てていきましょう。BathLog+が毎日の小さな一歩を応援します。
Caffeine Clock
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Not how much you drank - how much is still in you now, and how much will still be there at bedtime. One tap to log Set up to four usual drinks and log them the moment you tap. Mistaps are undoable, and you can move a record to "1 hour ago" afterwards. The hours you could not see The ring at the centre - the Caffeine Halo - shows what is estimated to remain. It also shows the estimate at your bedtime and when it will be mostly gone. Connect Health (Pro) Compare the estimate at bedtime with your time asleep, night wakings, and next-morning HRV, using your records only. The analysis stays on this device and is never sent anywhere. Widgets and Apple Watch Check from the Lock Screen, Home Screen, or your watch face - and log right there. Apple Watch logs offline and syncs later without duplicates. Two themes Calm roast and crema tones, or a dark base with electric accents. Switch any time in Settings. Never blames you Days without records are not failures. No streak pressure, and notifications carry neutral wording only. No account No sign-in. Your records stay on your device. Caffeine Clock Pro (one-time purchase) unlocks sleep relations, every widget, Apple Watch, custom presets, and CSV export. Logging, estimates, the calendar, and today's and weekly stats stay free. Note: caffeine amounts shown are estimates, not measurements. Do not use them for medical, medication, or driving decisions.
Screenshots
Verdict
The clearest difference is in-app purchases: BathLog+ at none against Caffeine Clock's 1. Caffeine Clock's advantage is update cadence (every 2 days vs every 9 months). On price, ads, 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. Caffeine Clock sells 1 one-off in-app purchase. BathLog+ asks for nothing beyond the download.
BathLog+ ships an update every 9 months, Caffeine Clock every 2 days. The most recent releases landed on September 9, 2026 and September 8, 2026 respectively.
| Parameter | BathLog+ | Caffeine Clock |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 9 months | Every 2 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Requires iOS | 18.0 | 18.0 |
| Further details — not scored | ||
| Size | 17 MB | 6 MB |
| Age rating | 4+ | 12+ |
| Developer | Ai Kaneko | kazunari aoki |
In-app purchases
BathLog+
No in-app purchases
Caffeine Clock
- Caffeine Clock Pro$9.99







