O vs Dooo
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
O
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アルバイトや社員のシフトを管理。
Dooo
Build positive habits effortlessly with this intuitive tracker. Customize goals, view progress with detailed statistics, and stay organized with a to-do list. Syncs across devices and offers a focus mode for enhanced productivity.
- Customizable habit names, icons, and colors
- Flexible goal setting with multiple check-in frequencies
- Detailed statistics and check-in calendar
- To-Do List functionality
- Focus mode
- iCloud backup and cross-device sync
- Data export
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easy-to-use habit tracking app to help you build good habits effortlessly. Tap to check in, long press to undo—it's that simple ▣ Fully Functional - Customize habit names, icons, and colors - Multiple check-in frequencies (daily, weekly, monthly) - Flexible goal setting - Detailed statistics and check-in records - Focus mode - To-Do List - Check-in calendar for easy daily progress viewing - Habit archiving, sorting, and management features - Custom check-in reminders - iCloud backup and real-time data sync across devices - Data export - Dark mode support - Achievement sharing ▣ Multi-Platform Support - Deeply optimized for iOS 26 - Perfect iPad large screen experience - Apple Watch support - Supports live activity, interactive widget, and lock screen widget ▣ Contact Us ◎ Email: daak.user@outlook.com # Dooo Subscription Dooo subscription allows you to unlock all paid features in Dooo - Payment will be charged to iTunes account at confirmation of purchase - Subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period - Account will be charged for renewal within 24-hours prior to the end of the current period, and the cost of the renewal will be identified - Subscriptions can be managed by users. You can manage or cancel automatic renewal in your account settings - If a free trial period is offered, any unused portion will be forfeited when the user purchases a subscription to that publication (if applicable) Terms Of Use: https://daak.gitbook.io/dooo/terms-of-use Privacy Policy: https://daak.gitbook.io/dooo/privacy-policy
Screenshots
Verdict
The clearest difference is in-app purchases: O at none against Dooo's 2. O also leads on iOS requirement (15.5 vs 18.0). Dooo's advantage is update cadence (every 3 days vs every 3 weeks). On price, ads 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. Dooo sells 2 in-app purchases, starting at $0.99 per year. O asks for nothing beyond the download.
O ships an update every 3 weeks, Dooo every 3 days. The most recent releases landed on September 24, 2026 and October 16, 2026 respectively.
| Parameter | O | Dooo |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.5 (2 ratings) — better |
| Positive reviews | — | 77.8% of reviews |
| Number of ratings | — | 2 — better |
| Update frequency | Every 3 weeks | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Requires iOS | 15.5 — better | 18.0 |
| Further details — not scored | ||
| Size | 3 MB | 17 MB |
| Age rating | 4+ | 4+ |
| Developer | O-TECH JAPAN | Lovely Duck, LLC |
In-app purchases
O
No in-app purchases
Dooo
- Annual Subscription$0.991 Year
- One-Time Purchase$2.99
