# Week Calendar vs IDRT

The clearest difference is ads: IDRT at none against Week Calendar's shown. IDRT also leads on update cadence (every 3 days vs fortnightly). Week Calendar's advantage is device support (5 vs 1). On price, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Week Calendar sells 13 in-app purchases, starting at $2.99 per month and IDRT sells 8 in-app purchases, starting at $59.99 per month. Whichever you choose, the download price is not the number that matters.

Week Calendar ships an update fortnightly, IDRT every 3 days. The most recent releases landed on October 20, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Week Calendar | IDRT |
| --- | --- | --- |
| 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 | 59.1% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 260 MB | 50 MB |
| Requires iOS | **15.6** | 16.4 |
| Devices | **iPhone, iPad, iPod, Mac, Apple Watch** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Do More Mobile, LLC.](https://appshunter.io/developer/318729104) | [Skretteberg AS](https://appshunter.io/developer/1896515645) |

## 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


### IDRT

[App page](https://appshunter.io/ios/app/idrt/id6798715862)

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| IDRT Basic | $59.99 | per month |
| IDRT Growth | $79.99 | per month |
| IDRT Basic | $179.99 | per 3 months |
| IDRT Growth | $229.99 | per 3 months |
| IDRT Basic | $299.99 | per 6 months |
| IDRT Growth | $449.99 | per 6 months |
| IDRT Basic | $599.99 | per year |
| IDRT Growth | $799.99 | per year |


## Frequently asked questions

### Is Week Calendar free?

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

### Is IDRT free?

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

### Do Week Calendar or IDRT have ads?

Week Calendar shows ads; IDRT does not.

### Which is updated more often, Week Calendar or IDRT?

Week Calendar ships an update fortnightly, and IDRT every 3 days. Most recently, Week Calendar was updated on October 20, 2026 and IDRT on October 5, 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.*