TodOne vs ThisDay
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
TodOne
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TodOne is a simple to-do app for focusing on today. Only the few things today needs, laid out quietly — and you can add them just by talking to AI. Tired of to-do apps that keep growing? TodOne keeps the screen calm and lets the AI assistant take the fiddly parts off your hands. ■ Features 【Run your list by talking to AI】 "Add finish the slides for tomorrow's meeting." "How am I doing today?" Say it in plain words and the AI adds, completes, edits, reorders, searches and summarizes your tasks. No forms to tap through — today gets sorted in a conversation. 【Connect today to how you want to be (Vision)】 "Live healthier." "Hold a real conversation in Japanese." Register those as Visions and link your daily tasks to them, so you can see what today is actually for. Visions can be created and linked from the AI chat too, and in a check-in conversation the AI helps you put the current distance into words and turn the next single step into a task on the spot. 【Only today】 TodOne shows today's tasks and nothing else. No past or future noise — just what is in front of you. 【Home Screen and Lock Screen widgets】 See what is left of today without opening the app. Put it on your Home Screen, or on the Lock Screen before you even unlock. Tap to jump straight into that day's list. 【Send a task from anywhere】 Share to TodOne from any other app. An article you want to read, a note you want to keep — park it as one thing to deal with today, without switching apps and typing it again. 【Morning and evening reminders】 A quiet notification at the start and the end of the day: morning to pick today's few, evening to look back. Both times are yours to change in Settings. 【Carry unfinished work into today】 If something did not get done, TodOne tells you at the top of the screen. Pick from the sheet and move them into today together, instead of dragging tasks over one at a time. 【Activity log】 Every add, complete and edit is recorded. Filter and search by period or type to see how your days are actually going. 【Look back on a calendar】 Browse your past records on a calendar and see completed and unfinished days at a glance. 【Search everything you have done】 Search across all your past tasks by keyword, filter by completed or unfinished, and jump straight to the day you found. "Wait, when did I do that?" — answered in seconds. 【Note the outcome】 Leave a note when you complete a task. Recording what you did, and how, makes the handover to tomorrow's you far easier. 【English and Japanese】 If your device is set to English, TodOne starts in English. You can switch between English, Japanese and "match device" in Settings — screen text, date formats and even the AI's replies follow the language you choose. 【Easy from the very first launch】 The first launch walks you through a live sample: how to focus on today, and how to talk to the AI. You try it rather than read about it. ■ Privacy Your tasks are stored on your device. Only when you use the AI chat is your input sent to an AI service to generate a reply. See the privacy policy in the app or on our site for details. ■ Terms and Privacy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://2d1.app/en/privacy Put today in order.
ThisDay
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やりたいことに集中できる毎日をつくる。 「今日、何しよう?」そう考えるたびに時間が過ぎていく。 ThisDayは、あなたの1日の隙間を自動で見つけてくれる時間管理アプリです。 毎日の固定スケジュール(仕事・食事・睡眠)を登録するだけで、その合間にある自由時間を自動で計算。あとはその枠に「何をするか」を1つ書くだけ。 ■ こんな人に ・ToDoリストを作るけど、結局何もこなせない ・スキマ時間があるのに、何をすべきか迷ってしまう ・毎日のルーティンはあるが、自由時間の使い方が曖昧になっている ■ シンプルな3ステップ 1. 起床・就寝時刻と、毎日の固定予定を設定 2. 固定予定の合間の空き枠が自動で表示される 3. 気になる枠をタップして「何をするか」を1つ書くだけ ■ 特徴 ・1枠に1タスク。シンプルだから続く ・昨日・今日・明日の3日間だけを管理。週や月の計画は要らない ・固定予定の時間をその日だけ変更できる(打ち合わせが伸びたときも安心) ・毎朝の通知でリマインド。時刻は自由に設定可能 ・データはすべてデバイス内に保存。アカウント不要・ネット不要 開いたらすぐ今日が見える。今日の予定を、今日こなす。
Screenshots
Verdict
The clearest difference is in-app purchases: ThisDay at none against TodOne's 1. TodOne's advantage is update cadence (every 2 weeks vs every 6 weeks) and iOS requirement (16.4 vs 18.0). 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. TodOne sells 1 in-app purchase, starting at $4.99 per month. ThisDay asks for nothing beyond the download.
TodOne ships an update every 2 weeks, ThisDay every 6 weeks. The most recent releases landed on October 31, 2026 and November 5, 2026 respectively.
| Parameter | TodOne | ThisDay |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 weeks — better | Every 6 weeks |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Devices | iPhone | iPhone |
| Requires iOS | 16.4 — better | 18.0 |
| Further details — not scored | ||
| Size | 47 MB | 1 MB |
| Age rating | 12+ | 4+ |
| Developer | Takuya Saeki | Riku Higashimura |
In-app purchases
TodOne
- Pro Plan$4.991 Month
ThisDay
No in-app purchases









