# ActivityReminder FlareCalendar vs week

The clearest difference is in-app purchases: ActivityReminder FlareCalendar at none against week's 2. ActivityReminder FlareCalendar also leads on device support (3 vs 1) and iOS requirement (15.6 vs 17.4). week's advantage is update cadence (every 2 weeks vs every 3 weeks). On price and ads there is nothing between them.

Both are free to download. week sells 2 in-app purchases, starting at $1.99 per month. ActivityReminder FlareCalendar asks for nothing beyond the download.

ActivityReminder FlareCalendar ships an update every 3 weeks, week every 2 weeks. The most recent releases landed on October 10, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | ActivityReminder FlareCalendar | week |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Size | 42 MB | 11 MB |
| Requires iOS | **15.6** | 17.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Junichi Fujisaki](https://appshunter.io/developer/1494634261) | [Taito Hirano](https://appshunter.io/developer/1773070085) |

## What reviewers say

### ActivityReminder FlareCalendar

[App page](https://appshunter.io/ios/app/activityreminder-flarecalendar/id6503595757)

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

**In-app purchases:** none


### week

[App page](https://appshunter.io/ios/app/week-weekly-diary/id6736693039)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium - monthly | $1.99 | per month |
| Premium - yearly | $19.99 | per year |


## Frequently asked questions

### Is ActivityReminder FlareCalendar free?

ActivityReminder FlareCalendar is free to download, with no in-app purchases.

### Is week free?

week is free to download, with in-app purchases available.

### Do ActivityReminder FlareCalendar or week have ads?

Both ActivityReminder FlareCalendar and week show ads.

### Which is updated more often, ActivityReminder FlareCalendar or week?

ActivityReminder FlareCalendar ships an update every 3 weeks, and week every 2 weeks. Most recently, ActivityReminder FlareCalendar was updated on October 10, 2026 and week on October 12, 2026.

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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.*