To Do vs Retrace
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
To Do
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To Do - Time Machine is the Simplest, time-backable, safest app. - To Do - Time Machine is Protected by finger print. - You can turn back the time. - No Calendar, No Time, No nuisance - Just To Do only for you * You can swipe, hold, tap.
Retrace
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Retrace is a minimal notes app with a single promise: nothing you write is ever lost. Write freely. After every two seconds of quiet, Rewind quietly snapshots your note. You can scrub through those snapshots like a film reel — see what your idea looked like an hour ago, last night, a week ago. — TIME MACHINE FOR YOUR NOTES — · Automatic, silent snapshots. No thinking required. · Drag the filmstrip to revisit any past version. · Tap "restore" — the current state is saved as another version. So you can never lose anything by going back. · Mark important moments manually with one tap. — A FOCUSED EDITOR — · No menus. No formatting bar. Just space to think. · Inline checklists — tap the checkbox to mark done. · Attach images. · Auto-save after 2 seconds of idle. — TAKE IT WITH YOU — · iCloud sync across all your devices, end to end through your own Apple account. · Home Screen widget for quick capture and today's notes. · Siri shortcuts: "open my last note," "quick capture." · One-tap export to Markdown, PDF, or a beautiful long-image Time Album. — YOURS, ALWAYS — · No accounts. No tracking. No ads. · Your data lives only on your device and in your own iCloud. · Available in 8 languages: English, 简体中文, 繁體中文, 日本語, 한국어, Español, Français, Deutsch. · Made by one person, for one person. Retrace is built around a single feeling: the relief of knowing nothing you write will be lost. Once you trust that, you start writing more bravely. Try it for a week.
Screenshots
Verdict
The clearest difference is in-app purchases: Retrace at none against To Do's 1. To Do's advantage is iOS requirement (9.0 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. To Do sells 1 one-off in-app purchase. Retrace asks for nothing beyond the download.
| Parameter | To Do | Retrace |
|---|---|---|
| Price | Free | Free |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 9.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 4 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Naeun Zang | 炳银 伍 |
In-app purchases
To Do
- No Advertisement$0.99
Retrace
No in-app purchases









