# One Big Thing vs Calendar Widget !

The clearest difference is in-app purchases: One Big Thing at none against Calendar Widget !'s 1. Calendar Widget !'s advantage is update cadence (every 2 weeks vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Calendar Widget ! sells 1 one-off in-app purchase. One Big Thing asks for nothing beyond the download.

One Big Thing ships an update every 2 months, Calendar Widget ! every 2 weeks. The most recent releases landed on October 10, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | One Big Thing | Calendar Widget ! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/calendar-widget/id6759257862/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 1 MB | 9 MB |
| Requires iOS | **17.6** | 18.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Thomas Chatting](https://appshunter.io/developer/1811425476) | [Michael Schatto](https://appshunter.io/developer/1785661224) |

## What reviewers say

### One Big Thing

[App page](https://appshunter.io/ios/app/one-big-thing/id6745229950)

**Features:** macOS Compatibility

**In-app purchases:** none


### Calendar Widget !

[App page](https://appshunter.io/ios/app/calendar-widget/id6759257862)

Display upcoming events and reminders directly on your Home Screen. This clean and simple widget offers a clear timeline view of your schedule, allowing you to check appointments at a glance without opening your main calendar app.

**Highlights:** Home screen event display, Clear event timeline, Customizable display modes, Adjustable font size and colors, Show reminders, Integrates with preferred calendar app

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CalWid – Calendar Widget | $2.99 | one-time |


## Frequently asked questions

### Is One Big Thing free?

One Big Thing is free to download, with no in-app purchases.

### Is Calendar Widget ! free?

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

### Do One Big Thing or Calendar Widget ! have ads?

Neither One Big Thing nor Calendar Widget ! shows ads.

### Which is updated more often, One Big Thing or Calendar Widget !?

One Big Thing ships an update every 2 months, and Calendar Widget ! every 2 weeks. Most recently, One Big Thing was updated on October 10, 2026 and Calendar Widget ! on October 24, 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.*