# Week Calendar vs Must Do's

The clearest difference is ads: Must Do's at none against Week Calendar's shown. Must Do's also leads on update cadence (every 4 days vs fortnightly). Week Calendar's advantage is device support (5 vs 2) and iOS requirement (15.6 vs 18.0). On price and in-app purchases there is nothing between them.

Both are free to download. Week Calendar sells 13 in-app purchases, starting at $2.99 per month and Must Do's sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Week Calendar ships an update fortnightly, Must Do's every 4 days. The most recent releases landed on November 1, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Week Calendar | Must Do's |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (10K ratings)](https://appshunter.io/ios/app/week-calendar-smart-planner/id381059732/reviews)** | — |
| Number of ratings | **10K** | — |
| Positive reviews | 59.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 260 MB | 3 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | **iPhone, iPad, iPod, Mac, Apple Watch** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Do More Mobile, LLC.](https://appshunter.io/developer/318729104) | [Segis Junior AB](https://appshunter.io/developer/1880303743) |

## What reviewers say

### Week Calendar

[App page](https://appshunter.io/ios/app/week-calendar-smart-planner/id381059732)

This app offers a highly customizable calendar experience with multiple view options and automation tools. It allows for easy event management, integration with popular calendar services, and includes features like weather forecasts and calendar insights. An optional Pro version unlocks additional widgets and features.

**Highlights:** Customizable calendar views (Day, Agenda, Month, Year), Event automation and templates, Drag-and-drop event rescheduling, Weather forecasts integrated into calendar, Calendar insights and time tracking, Subscription to popular calendars, Syncs with iCloud, Google, Outlook, and more

**Features:** Family Sharing, Apple Watch app, iMessage stickers, Vision Pro support

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WeekCal Pro + Weather Monthly | $2.99 | per month |
| Smart Calendars 1 Year | $2.99 | per year |
| WeekCal Weather - Monthly | $3.99 | per month |
| Annual Pro Subscription | $7.49 | per year |
| Annual Pro Subscription | $12.99 | per year |
| Annual Pro Subscription | $19.99 | per year |
| WeekCal Pro Annual | $19.99 | per year |
| WeekCal Weather - Annual | $19.99 | per year |
| WeekCal Pro Annual | $24.99 | per year |
| WeekCal Pro + Weather Annual | $39.99 | per year |
| WeekCal Pro + Weather Annual | $39.99 | per year |
| WeekCal Pro Tier | $39.99 | per year |
| Annual Pro Subscription | $39.99 | per year |

**What reviewers like**

- 👍 Excellent calendar app
- 🚀 Highly customizable
- 💡 Useful features like color-coding, templates, and rolling events
- 👍 Easy to use and organize schedule
- 👍 Seamless integration with native iOS calendar

**What reviewers complain about**

- 🐛 Occasional bugs and glitches
- 💰 Aggressive push for subscription upgrade
- 🔒 Concerns about privacy and data collection
- 🔄 Removal of previously available free features

**Reported bugs**

- Repeating events not working as expected
- Calendar views not displaying correctly after updates
- Notifications and alerts not functioning properly
- Inability to search past events beyond a certain time frame

**Requested features**

- Ability to attach files or photos to calendar events
- Improved syncing and sharing across devices
- More customization options for views and layouts
- Better handling of time zones and daylight saving time changes


### Must Do's

[App page](https://appshunter.io/ios/app/must-dos/id6761287908)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Must Do Premium Monthly | $4.99 | per month |
| Must Do Premium Yearly | $29.99 | per year |
| Must Do Premium Lifetime | $99.99 | one-time |


## Frequently asked questions

### Is Week Calendar free?

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

### Is Must Do's free?

Must Do's is free to download, with in-app purchases available.

### Do Week Calendar or Must Do's have ads?

Week Calendar shows ads; Must Do's does not.

### Which is updated more often, Week Calendar or Must Do's?

Week Calendar ships an update fortnightly, and Must Do's every 4 days. Most recently, Week Calendar was updated on November 1, 2026 and Must Do's on October 4, 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.*