ToDotto(トドット):ToDo &スケジュール管理 vs Deadline Backsolve
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ToDotto(トドット):ToDo &スケジュール管理
This app helps you manage your to-do lists and daily schedule in one place with a simple, intuitive interface. It offers various viewing options, recurring task setup, and customizable labels for efficient organization. It's completely free to use.
- Multiple to-do display formats (List, Calendar, Schedule)
- Recurring to-do registration
- Calendar import (Google, iCloud, Outlook)
- Customizable labels and tags
- Note function for unscheduled tasks
- Search functionality
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Manage your to-dos and schedule all in one place! With its “simple design” and “intuitive operation,” anyone can use it easily. It's completely free! With ToDotto, you can record everything you need to do and efficiently manage your daily schedule! It has both a “simple design that lets you see your day's schedule at a glance” and “operability that lets you quickly and easily input tasks the moment they pop into your head.” 【Features of ToDotto】 ◇ Whether you want to “check your schedule monthly” or “see your free time,” you can view your ToDos in the best way for your needs using the calendar or schedule view. ◇ Easily register recurring tasks as routines so you never forget them. ◇ Sync with other calendars to view all your plans together. ◇ Freely customize labels and tags to categorize your ToDos for any situation, like work or hobbies. ToDotto is an app packed with convenient features! Try using ToDotto to make your daily life more convenient! 【Recommended for the following people】 ・Those looking for a simple ToDo/schedule app ・Those who want to create ToDos categorized by work, private life, etc. ・Those who want to manage ToDos and schedules together ・Those who want easy input and schedule confirmation ・Those who want to use it for free 【Feature List】 ・Multiple to-do display formats (List, Calendar, Schedule) ・Repeating to-do entries ・Note ・Label/Tag ・Trash ・Search ・Calendar import ・Notification ・Dark theme support 【Feature Details】 ◇ Multiple to-do display formats This app lets you view your scheduled to-dos in multiple formats. List ・Gain a quick, at-a-glance overview of your schedule. Schedule ・Useful for checking free time slots and availability. Calendar ・Includes title display, making it easy to check schedules spanning multiple days. ◇ Recurring To-Do Registration Set recurring schedules for tasks you perform regularly. Choose the recurrence interval (daily, weekly, etc.). ◇ Note Function Store unscheduled to-dos as notes. You can also schedule them later by specifying a date and time. Use it as a notepad to keep track of small tasks and avoid forgetting them. ◇ Label & Tag Create your own original labels using 24 colors and 39 icons. You can also create custom tags. View to-dos grouped by label or tag. ◇ Trash Function View deleted tasks. Perform bulk deletion to permanently remove them. ◇ Search Function Quickly find tasks using title search, date range search, toggle between completed/uncompleted, and switch between tasks and notes. ◇ Calendar Import Import calendars from other sources like Google Calendar. (Supported calendars: Google Calendar, iCloud, Outlook.) ◇ Notification Settings Set notifications for scheduled ToDos. For notification timing, you can set alerts not only for the start time but also 5 minutes before, 15 minutes before, etc. 【Help & Contact】 If you encounter issues like “I don't understand how to use it” or “This might be a bug,” please refer to the “Help” section within the app. If the issue persists, please contact us via the inquiry form. ※ For inquiries requiring a response, please use the inquiry form instead of leaving a review. ◇ ToDotto Homepage ◇ https://todotto.ai/ ◇ Developer Homepage ◇ https://www.aevic.co.jp/
Deadline Backsolve
This app helps you adjust project plans when deadlines are at risk. It calculates the shortfall and suggests concrete adjustments like extending deadlines or reducing scope. The interface is currently in Japanese only.
- Calculates shortfall and suggests fixes
- Adjusts plans based on available time
- Learns user's real work pace
- Offers recovery plan options
- Focus timer that survives crashes
- Offline functionality
- JSON export/import for data transfer
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When you realize you won't hit the deadline, what you actually need is the answer to "so what do I change?" Deadline Backsolve computes the shortfall and gives you concrete fixes: "push the deadline 3 days", "add 45 minutes per working day", "cut 4 pages". Real numbers, not a warning label. ■ Three inputs. Thirty seconds. What, how much, by when. That's the whole setup. Stages and per-weekday hours can wait until later. ■ Split the work into stages (new in 1.4) Thumbnails → pencils → inks → finishing, or outline → first draft → revision. Give each stage its share of the time per page, and the Today screen tells you exactly what to do: "Pencils 6 pages → then Inks 2 pages". The project screen shows each stage's progress. Stages are optional, and recovery plans keep working as before. ■ You only look at today The home screen says "Today: 8 pages." That's it. No Gantt charts, no dense tables. Tap "+1 page" when you're done. ■ It follows your real week One hour on weekdays, three on weekends? Your quota is distributed by the time you actually have. ■ It learns your real pace It starts from an estimate, then switches to your measured minutes per page once you have logged enough work. ■ Recovery plans, computed - Switch to a later registered deadline (with hours gained) - Extend the deadline by N days - Add N minutes per working day - Cut N units - Finish each unit within N minutes - Open up a day you had marked as rest Tap any of them to apply it to the plan immediately. ■ A focus timer that survives a crash It stores the start time, so closing the app never loses your session. It never plays a sound effect. ■ Your entries stay on your device No account. No ads. What you enter never leaves your device. To improve the app, only anonymous usage data (such as which screens are opened) is counted with Google Analytics (you can turn this off in Settings). Move it with a JSON export/import when you change phones. ■ One-time purchase. No add-ons. Everything is unlocked at purchase. Unlimited projects and logs. No subscription. ■ Available in English, Japanese, German, French, Korean and Traditional Chinese. Works for comics, novels, illustration books and merch, but also for articles, reports and theses — anything with an amount and a due date. Name the unit whatever you like.
Screenshots
Verdict
The clearest difference is price: ToDotto(トドット):ToDo &スケジュール管理 at Free against Deadline Backsolve's $0.99. Deadline Backsolve's advantage is review sentiment (100% vs 64%) and update cadence (weekly vs monthly). On ads, 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
ToDotto(トドット):ToDo &スケジュール管理 is free to download; Deadline Backsolve costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
ToDotto(トドット):ToDo &スケジュール管理 ships an update monthly, Deadline Backsolve weekly. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.
| Parameter | ToDotto(トドット):ToDo &スケジュール管理 | Deadline Backsolve |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 4.6 (7 ratings) — better | — |
| Positive reviews | 64.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 7 — better | — |
| Update frequency | Monthly | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.4 — better | 17.0 |
| Further details — not scored | ||
| Size | 60 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | AEVIC CO., LTD. | Daisuke Yamaguchi |
Customer experience
ToDotto(トドット):ToDo &スケジュール管理
Deadline Backsolve
Bugs and requests
ToDotto(トドット):ToDo &スケジュール管理
Reported bugs
8 issues- App sometimes shows a blank white screen
- Cannot log in suddenly, password rejected
- Verification email not received
- App stops loading after data migration
- All plans disappeared after switching to online version
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- Cannot edit recurring tasks after update
- Long text in details duplicates and causes character count error
- App startup is a bit slow
Requested features
18 requests- Sync with iPhone's native calendar
- Option to increase text size
- Return to previous clear display
- Notification for task end time
- Snooze function for notifications
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- Widget for today's schedule
- Drag and drop for reordering tags/lists
- Option for a one-time purchase/offline version
- More app icon variations
- Add diary function
- Add DONE list
- Add persistent memo space
- Ability to select multiple notifications
- Ability to register on multiple dates simultaneously
- Allow input of full-width characters in title
- Fix bug where long text duplicates on edit
- Improve design when phone's text size is increased
- Add Apple Watch notification settings
Deadline Backsolve
Not enough reviews yet to summarise bugs or requests.
In-app purchases
ToDotto(トドット):ToDo &スケジュール管理
No in-app purchases
Deadline Backsolve
No in-app purchases
Questions
Is ToDotto(トドット):ToDo &スケジュール管理 free?
Is Deadline Backsolve free?
Do ToDotto(トドット):ToDo &スケジュール管理 or Deadline Backsolve have ads?
Which is updated more often, ToDotto(トドット):ToDo &スケジュール管理 or Deadline Backsolve?
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