Flagis vs OneTodo
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Flagis
Organize tasks and notes with a unique structured view based on your mind map. Share tasks with others, receive clear feedback, and manage everything from any device. Stay on top of deadlines with due dates and reminders.
- Structured task organization
- Multi-device synchronization
- Task sharing with feedback
- Due dates and reminders
- File uploads to tasks
- Task filtering and search
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Simply organize your tasks to a unique structured view according to your mind map and get the opportunity to send tasks to others with clear feedback. It’s easy, intuitive and well-arranged. Get your own reliable personal assistant! Use Flagis to: - Stay organized from all your devices - phone, tablet, laptop or computer. - Manage all your tasks and notes in one place. - Enter and organize tasks the moment they pop into your head. - Create your own unique structured view to suit your needs and according to your mind map. - Get quick entry and easy search for each task. - Get the possibility to have one task in multiple categories. - Easy filtering to display only the task you need. - Write comments and chat with other people in every task. - Upload files like documents, photos, videos, etc. to every task. - Set due dates and reminders to meet your deadlines and never forget a thing. - Send a task with clear feedback. The receiver of the task has the option to accept or to reject the task. - Keep track of your workload and progress. - Create tasks and notes on the go. - View your to-dos in one list. - Access your tasks and notes anytime, anyplace, anywhere. Flagis enables you to be efficient and get more free time to enjoy your life!
OneTodo
Organize your life with a hierarchical task management system. Create tasks, pages, projects, boxes, and spaces to structure your to-do list and plans. Track project progress and manage separate data spaces for different aspects of your life.
- Hierarchical task organization (Task > Page > Project > Box > Space)
- Create standalone tasks
- Use pages as project subtitles
- Track project completion progress
- Group projects with boxes
- Separate data spaces for internal accounts
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Your Personal Task System. The Todo Application In The New Era Task -> Page -> Project -> Box -> Space # Todo/Task - add a to-do to your project or box. - tasks can also stand on their own. # Page - add a page to list your to-do plan. - you could use page as project’s subtitle. # Project - add a goal, plan, list as one project. - projects can show completion progress. # Box - add a box to group projects. # Space - stores a separate data space. - as the internal account system of OneTodo. OneTodo offers auto-renewable subscriptions. - Available plans, durations, and localized prices are shown on the purchase screen. Prices may vary by country or region. - Payment will be charged to your Apple Account when you confirm the purchase. - The subscription renews automatically unless you turn off auto-renew at least 24 hours before the end of the current period. - Your Apple Account will be charged for renewal within 24 hours before the end of the current period. - You can manage or cancel subscriptions in your App Store account settings after purchase. - Any unused portion of a free trial, if offered, will be forfeited when you purchase a subscription. Privacy Policy: https://docs.onenice.tech/#/OneTodo/privacy Terms of Service: https://docs.onenice.tech/#/OneTodo/terms Contact us: hi@onenice.tech Twitter: @OneTodoApp
Screenshots
Verdict
The clearest difference is in-app purchases: Flagis at none against OneTodo's 3. Flagis also leads on iOS requirement (15.1 vs 17.6). OneTodo's advantage is update cadence (every 9 days vs every 6 weeks). On price, review sentiment, 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. OneTodo sells 3 in-app purchases, starting at $0.99 per month. Flagis asks for nothing beyond the download.
Flagis ships an update every 6 weeks, OneTodo every 9 days. The most recent releases landed on June 1, 2026 and September 9, 2026 respectively.
| Parameter | Flagis | OneTodo |
|---|---|---|
| Price | Free | Free |
| Rating | — | 2.3 (3 ratings) — better |
| Positive reviews | 66.7% of reviews | 71.4% of reviews — better |
| Number of ratings | — | 3 — better |
| Update frequency | Every 6 weeks | Every 9 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Subscription |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.1 — better | 17.6 |
| Further details — not scored | ||
| Size | 72 MB | 140 MB |
| Age rating | 4+ | 4+ |
| Developer | Flagis s.r.o. | Chengdu Reinvent Technology Co., Ltd. |
Customer experience
Flagis
OneTodo
In-app purchases
Flagis
No in-app purchases
OneTodo
- OneTodo Pro (Monthly)$0.991 Month
- OneTodo Pro (Yearly)$6.991 Year
- OneTodo Pro (Lifetime)$14.99









