Alcohol Tracker vs 天使と悪魔のファスティング
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Alcohol Tracker
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Build a dry-day streak on the calendar, log every drink in seconds, and keep a clear record of how you drink. Wondering when last night's drinks may clear? Alc.Note is an alcohol tracker and drink log that turns your drinks, ABV, body weight, and drinking time into a sober-time estimate. Track pure alcohol, dry days, sleep, stress, and long-term drinking patterns without guilt. ■ What You Can Do with Alc.Note Quick Drink Logging Pick Beer, Highball, Wine, or another drink. Typical volume and ABV are filled in automatically, so each log takes fewer taps. Pure Alcohol Calculation See grams of pure alcohol instead of only counting drinks. Clear colors and meters help you notice when today is moderate, heavy, or above your usual range. Dry-Day Calendar View drink days, lighter days, and dry days on a simple calendar. Spot monthly patterns and the weekdays when you tend to drink more. Sober-Time Estimate "When will it clear?" Based on your body weight and intake, Alc.Note estimates when alcohol may clear from your system. Use it as a reference for planning tomorrow, not as a driving decision. Sleep and Stress Reflection Connect Apple Health sleep data and compare your own records across drink days and dry days. Alc.Note shows trends from your logs, not medical conclusions. ■ Pro Features Sleep x Alcohol Comparison Compare sleep time and condition on drink days vs. dry days, based on your own records. *Yesterday's analysis is available for free. Long-Term Trends Review monthly alcohol intake, dry-day rhythm, spending estimates, and longer patterns over time. CSV/PDF Export Export your logs as CSV or PDF reports for personal review or to prepare for a health checkup conversation. ■ Recommended For • People who want to cut back on drinking • People trying to build dry days • Anyone who wants to understand pure alcohol intake • People reviewing hangovers and drinking habits • Apple Watch users who track sleep • Anyone who wants a calm alcohol journal without ad-heavy clutter Disclaimer The sober-time estimate in this app is a theoretical estimate based on the Widmark formula. It does not accurately reflect individual metabolism or physical condition. Never use the displayed time as a basis for driving or operating machinery. Privacy Policy: https://pomeranianstudio.com/privacy Terms of Use: https://pomeranianstudio.com/terms
天使と悪魔のファスティング
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Fast at your pace on a quiet island. Fasting Island is an intermittent fasting timer with two very different companions on your shoulders. The angel cheers you on, the devil tempts you to stop, and sometimes they both break character. Their playful banter keeps fasting from feeling too serious. SIMPLE FASTING TIMER Choose a 12:12, 14:10, or 16:8 plan. Start and finish with a tap, check elapsed time and goal progress, and adjust the start time later if needed. SIX FASTING STAGES Follow an easy-to-read guide through six estimated stages, from digestion and steadier blood sugar to fat use, ketosis, and autophagy-related repair. Stage timing is educational and may vary from person to person; it is not a medical measurement. ANGEL & DEVIL COMPANIONS Get encouragement from one shoulder and comic temptation from the other. Choose male or female character versions and enjoy occasional role reversals. HISTORY & STATISTICS Keep your fasting history without a time limit. Review recent sessions, totals, longest and average fasts, view a weekly chart, and export your records as CSV. OFFLINE AND PRIVATE The timer and on-device records work without an internet connection. No account is required, and your records stay on your device. SAFETY Fasting Island supports healthy routines but does not provide medical advice. Stop if you feel unwell. It is not recommended during pregnancy or for people with a history of eating disorders. If you have a medical condition or take medication, consult a qualified healthcare professional before fasting.
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Verdict
The clearest difference is in-app purchases: 天使と悪魔のファスティング at none against Alcohol Tracker's 2. Alcohol Tracker's advantage is 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. Alcohol Tracker sells 2 in-app purchases, starting at $3.99 per month. 天使と悪魔のファスティング asks for nothing beyond the download.
Alcohol Tracker ships an update every 3 weeks, 天使と悪魔のファスティング every 10 days. The most recent releases landed on October 25, 2026 and October 17, 2026 respectively.
| Parameter | Alcohol Tracker | 天使と悪魔のファスティング |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks | Every 10 days — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 5 MB | 51 MB |
| Age rating | 4+ | 17+ |
| Developer | kurihara kazuki | RYOJI TAKAHASHI |
In-app purchases
Alcohol Tracker
- Alc.Note Pro (Monthly)$3.991 Month
- Alc.Note Pro (Annual)7 Days trial$29.991 Year
天使と悪魔のファスティング
No in-app purchases









