TodoTxt++ vs CalCollections
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
TodoTxt++
Manage your personal to-do lists with this modern application that fully supports the todo.txt format. Sync your tasks across devices using iCloud Drive or Dropbox and organize them with contexts and projects.
- Full todo.txt format support
- iCloud Drive and Dropbox sync
- Swipe to complete/undo tasks
- Filter by @context and +project
- Sort tasks by multiple criteria
- Widget support
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Just a simple, modern todo.txt app that fully implements the todo.txt format and supports syncing via iCloud Drive or Dropbox. ## Goal Inspired by Todo.txt Touch for iOS, this app helps you manage your personal todo.txt files stored in Dropbox . Our aim is to deliver the fastest, simplest, and cleanest todo.txt experience possible. Features - Full support for the todo.txt file format - Sync with Dropbox and iCloud Drive - Archive completed tasks to done.txt, manually or automatically - Swipe to toggle task completion or undo it - Filter tasks by @context and +project - Sort tasks by file order, priority, alphabetical, due date, or project - Widget support for quick access
CalCollections
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This app allows users to organise their calculators into collections. The app uses tailored options to register the calculators and as much information possible about them. With CalCollections you can have all your calculator collections in one place.
Screenshots
Verdict
The clearest difference is price: CalCollections at Free against TodoTxt++'s $2.99. TodoTxt++'s advantage is iOS requirement (14.0 vs 18.4). On update cadence, ads, in-app purchases 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
CalCollections is free to download; TodoTxt++ costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
TodoTxt++ ships an update monthly, CalCollections every 4 weeks. The most recent releases landed on October 8, 2026 and October 5, 2026 respectively.
| Parameter | TodoTxt++ | CalCollections |
|---|---|---|
| Price | $2.99 | Free — better |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Monthly | Every 4 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 14.0 — better | 18.4 |
| Further details — not scored | ||
| Size | 18 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | 亮 曾 | The Calculator Store SLNE |
In-app purchases
TodoTxt++
No in-app purchases
CalCollections
No in-app purchases
