40SEC vs NowTodo
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
40SEC
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40秒GTD。考えすぎない、シンプルTODO。 【特徴】 ・40秒タイマーで素早くメモ ・写真をメモに添付 ・モノクロのミニマルデザイン ・データはすべて端末内に保存(プライバシー重視) 【Premium】 ・TODO登録 無制限 ・共有・エクスポート機能
NowTodo
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The to-do app that gets things done without opening the app. NowTodo lives on your Lock Screen. Wake your phone and your current task is right there with a progress ring — one tap to complete, and the next task slides in. ◆ Your Lock Screen is the app • Live Activity: current task + progress ring, complete or defer without unlocking • At a glance in the Dynamic Island • Home & Lock Screen widgets, Control Center buttons ◆ 1-second capture • Add via Action Button, Back Tap, Control Center, or Siri — no app launch • Natural-language dates: type "report by Friday" and the date is set ◆ Focused on today • A "right now" engine that surfaces the one task to do — not a wall of lists • Complete or defer (in 1 hour · this evening · tomorrow · next week) • Repeating tasks, reminders, weekly & monthly calendar • Search across all time — even completed tasks • Public holidays shown, even offline ◆ Together (Beta) • Share to-dos with your partner, roommates, or family — a separate space for each group • Join by simply opening an invite link, no sign-up (works with iCloud) • See who completed what in real time, and pin shared spaces to the Lock Screen • Use it during the beta and it stays free forever, even after Pro launches ◆ Progress you can feel • Streaks, weekly chart, 30-day and priority stats ◆ Make it yours • 5 theme colors — they restyle the app, widgets, and the Lock Screen ring together ◆ Your data stays yours • All features free, no account needed • Your personal tasks are stored on your iPhone • Shared spaces sync securely through your own iCloud • Included in iCloud device backup & transfers, plus JSON export/import Finish today, right from your Lock Screen.
Screenshots
Verdict
The clearest difference is in-app purchases: NowTodo at none against 40SEC's 4. NowTodo also leads on update cadence (every 2 days vs weekly). 40SEC's advantage is ads (none vs shown) and device support (3 vs 1). On price 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. 40SEC sells 4 one-off in-app purchases. NowTodo asks for nothing beyond the download.
40SEC ships an update weekly, NowTodo every 2 days. Both last shipped on October 31, 2026.
| Parameter | 40SEC | NowTodo |
|---|---|---|
| Price | Free | Free |
| Update frequency | Weekly | Every 2 days — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 13.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 23 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Daisaku Harasaki | Seungwoo Kim |
In-app purchases
40SEC
- Small Tip$0.99
- Premium$2.99
- Support Tip (Medium)$2.99
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- Support Tip (Large)$5.99
NowTodo
No in-app purchases









