Surely vs Colistu
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Surely
This app offers a streamlined approach to task management, focusing on completion rather than complex organization. It provides essential actions like completing, deleting, or deferring tasks, intentionally omitting features that might encourage procrastination.
- Complete tasks
- Delete tasks
- Defer tasks
- Minimalist interface
- Focus on task completion
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Most todo apps give you lots of features to organize your todos. But you don't want to be spending time organizing your todos: you want to be completing them. Surely is a focused todo app giving you just the features you need to get your todos done. There are only three things you can do with a todo: * Complete it * Delete it * Defer it Here are all the features Surely doesn't have because they encourage you to keep more todos instead of completing them: * Separate defer dates and due dates * Complex ways of searching for todos * Separate lists of todos so you aren't looking at all of them at once * Bulk defer features. It should not be painless to defer many todos to the future; it should be painful to work with multiple todos so that you complete or delete them Surely is available for free on both iOS and the web.
Colistu
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Colistu is more than just a shopping list app; it's a modern list platform where you can create collaborative project management, task tracking, and shareable to-do lists. Whether you're planning grocery shopping or tracking a project with a client step-by-step, Colistu lets you manage all processes from one place. Task Tracking & Client Management A client adds tasks to the list, and you receive instant notifications as you complete them, ensuring transparent tracking of the process. • Freelancers • Software Developers • Agencies • Small Businesses • In-team project management With Colistu, everyone stays on the same page. Shopping and Daily Lists • Grocery shopping list • Home necessities list • Wedding preparation list • Travel planning list • Shared home lists Content and Interest Lists • Movies to watch • Books to read • Restaurant recommendations • Shopping lists • Community recommendation lists Featured Features • Shareable and collaboratively editable lists • Real-time synchronization • Instant notification system • Private, public, or invited privacy options • Category and filter support • Modern and fast interface With Colistu, organize your daily life, manage team projects, and discover inspiring lists. Create lists, share them, and complete them together
Screenshots
Verdict
The clearest difference is update cadence: Colistu at every 9 days against Surely's every 6 weeks. On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Surely ships an update every 6 weeks, Colistu every 9 days. Both last shipped on October 30, 2026.
| Parameter | Surely | Colistu |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 6 weeks | Every 9 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.1 | 15.1 |
| Further details — not scored | ||
| Size | 34 MB | 47 MB |
| Age rating | 4+ | 17+ |
| Developer | Josh Justice | Mert Buldur |
In-app purchases
Surely
No in-app purchases
Colistu
No in-app purchases









