OB vs Drink Less!
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OB
Track your progress in sobriety or no-fap challenges with this dedicated application. It offers tools to help you stay committed to your goals and maintain your abstinence.
- Abstinence tracking
- Sobriety support
- No-fap challenge tools
- Progress monitoring
- Commitment tools
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This app is the best for your sobriety or no fap challenge. 1. Privacy policy: https://www.kiyac.app/privacypolicy/f02BDdDeZZzb3shsvhKO 2. Term of use of this app: https://www.kiyac.app/termsOfService/9uMlQL9LkHhLq0Izhn6U 3. Term of use of Apple: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Drink Less!
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Reducing drinking, staying sober --- Helps you cut down on drinking and stay sober. --- This app supports people who want to manage their alcohol intake in a healthy way and drink less. The goal is not just to quit drinking completely, but also to help with cutting back and drinking in moderation. You can record both planned drinking (the amount you intended to drink) and impulsive drinking (unplanned drinking). By keeping a diary, you can review your drinking habits, plan alcohol-free days, and find the best way to handle alcohol for yourself. Besides tracking your drinking, the app also helps you manage information about how alcohol affects your mind and body, such as your mood and physical health. This helps you understand the connection between your mood, health, and habits. The built-in supporter feature encourages you in your daily efforts with warm messages, helping you feel proud of your progress in managing your drinking. [Main Features] * Calendar - Set goals, rules, and limits for drinking - Record planned and unplanned drinking - Track medications taken - Log mood, physical condition, and weight * Charts and Totals - View changes in alcohol consumption - Count sober days (days without drinking) - See changes in mood, health, and weight - Check various totals * Supporter Feature - Plays 112 types of encouraging voice messages - Choose from 2 character supporters * Paid Features - Remove ads - Import/export data - View charts for periods longer than 3 months [Credits] English voice - ondoku3.com Japanese voice - VOICEVOX:SHIKOKU Metan - VOICEVOX:KURONO Takehiro
Screenshots
Verdict
The clearest difference is ads: OB at none against Drink Less!'s shown. OB also leads on update cadence (every 2 weeks vs every 8 months). On price, in-app purchases, 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. OB sells 1 in-app purchase, starting at $2.99 per month and Drink Less! sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
OB ships an update every 2 weeks, Drink Less! every 8 months. The most recent releases landed on September 9, 2026 and September 14, 2026 respectively.
| Parameter | OB | Drink Less! |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| Update frequency | Every 2 weeks — better | Every 8 months |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 16.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 78 MB | 59 MB |
| Age rating | 17+ | 17+ |
| Developer | KBOY, LLC. | Teppei Baba |
In-app purchases
OB
- OB-1 PRO7 Days trial$2.991 Month
Drink Less!
- Drunk Less! paid version$2.99









