# Five. Todo List & Calendar vs Core Three

The clearest difference is iOS requirement: Core Three at 17.6 against Five. Todo List & Calendar's 26.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Five. Todo List & Calendar | Core Three |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Daily | — |
| Size | 7 MB | 1 MB |
| Requires iOS | 26.0 | **17.6** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Sedat CIFTCI](https://appshunter.io/developer/1643688314) | [PAUL SHIN GAY](https://appshunter.io/developer/1883365950) |

## What reviewers say

### Five. Todo List & Calendar

[App page](https://appshunter.io/ios/app/five-todo-list-and-calendar/id6740851007)

**Features:** macOS Compatibility

**In-app purchases:** none


### Core Three

[App page](https://appshunter.io/ios/app/core-three/id6760226563)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Five. Todo List & Calendar free?

Five. Todo List & Calendar is free to download, with no in-app purchases.

### Is Core Three free?

Core Three is free to download, with no in-app purchases.

### Do Five. Todo List & Calendar or Core Three have ads?

Neither Five. Todo List & Calendar nor Core Three shows ads.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*