BathLog+ vs HalfCaff
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。
HalfCaff
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HalfCaff tracks your caffeine intake and shows exactly how much caffeine is in your body right now. Using scientifically-based half-life calculations, HalfCaff answers the one question every coffee lover asks: "Can I have another cup and still sleep tonight?" "○○mg remaining" — Based on your bedtime threshold and the FDA daily limit (400mg), see exactly how much more you can drink at a glance. Features: - Real-time body caffeine level with circular gauge - Remaining allowance display ("○○mg OK to drink") - 24-hour caffeine decay curve - 70+ drink presets (Starbucks, Doutor, Tully's official data) - Home screen widgets (Small & Medium) - Dynamic Island & Live Activities - Personalized half-life based on your caffeine sensitivity HalfCaff Pro unlocks: - Home screen widgets - Dynamic Island display - Unlimited history Includes a 3-day free trial. Terms: https://halfcaff.decoy284.net/terms/ Privacy Policy: https://halfcaff.decoy284.net/privacy/
Screenshots
Verdict
The clearest difference is in-app purchases: BathLog+ at none against HalfCaff's 3. HalfCaff's advantage is update cadence (every 6 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. HalfCaff sells 3 in-app purchases, starting at $1.99 per 7 days. BathLog+ asks for nothing beyond the download.
BathLog+ ships an update every 9 months, HalfCaff every 6 days. The most recent releases landed on September 9, 2026 and September 22, 2026 respectively.
| Parameter | BathLog+ | HalfCaff |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 9 months | Every 6 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18.0 | 17.0 — better |
| Further details — not scored | ||
| Size | 17 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Ai Kaneko | Yutaro Koide |
In-app purchases
BathLog+
No in-app purchases
HalfCaff
- Weekly3 Days trial$1.997 Days
- Monthly3 Days trial$5.991 Month
- Yearly3 Days trial$22.991 Year
