todo vs chain
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
todo
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It is a simple application that manages diary and Todo in one application. ■ Main functions You can manage your diary and Todo in one app. Diary and Todo are displayed in calendar view and list view. You can attach photos to your diary and Todo. You can record annotations on a set of up to 4 photos. You can register multiple sets of photos in your diary and Todo. You can delete diaries, Todos, and photos that are no longer needed by swiping left. You can set deadlines for Todo (things to do) by when. Todo can be notified before the specified deadline to prevent forgetting. Todos can be switched between incomplete Todos and all Todos. Todos that are due soon are displayed first, which helps prevent omissions. You can backup to iCloud and recover him. When changing models, back up data to iCloud on the old model.
chain
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Finally, a reminder app that understands how tasks actually work in real life. Some things need to happen in order - and Chain-Do gets it. Stop forgetting the crucial "before" steps. Chain-Do ensures you complete tasks in the right order, every time. Most reminder apps treat tasks as isolated items. But life doesn't work that way. Chain-Do understands that some tasks depend on others - and helps you build efficient workflows. Key Features: Smart Dependencies - Set up task chains where completing one action automatically triggers the next Visual Flow - See your task connections in an intuitive dependency graph Complete Privacy - All your data stays on your device, never synced to the cloud Futuristic Interface - Clean, modern design that makes complex workflows feel simple
Screenshots
Verdict
The clearest difference is device support: chain at 3 against todo's —. chain also leads on iOS requirement (12.0 vs 15.5). On price and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | todo | chain |
|---|---|---|
| Price | Free | Free |
| Update frequency | — | Every 4 days |
| Ads | — | No |
| In-app purchases | No | No |
| Devices | — | iPhone, iPad, iPod — better |
| Requires iOS | 15.5 | 12.0 — better |
| Further details — not scored | ||
| Size | 21 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | SHIGERU ARAKI | Devfly Digital d.o.o. |
In-app purchases
todo
No in-app purchases
chain
No in-app purchases









