# Simple Calendar vs pBox

The clearest difference is update cadence: pBox at every 2 days against Simple Calendar's every 3 weeks. pBox also leads on iOS requirement (12.0 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Simple Calendar sells 3 in-app purchases, starting at $1.99 per month and pBox sells 3 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Simple Calendar ships an update every 3 weeks, pBox every 2 days. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Simple Calendar | pBox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (74 ratings)](https://appshunter.io/ios/app/simple-calendar-widget-cal/id1506434688/reviews)** | — |
| Number of ratings | **74** | — |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 9 MB | 22 MB |
| Requires iOS | 18.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Heart Relay Inc.](https://appshunter.io/developer/1327363297) | [军 刘](https://appshunter.io/developer/1329595826) |

## What reviewers say

### Simple Calendar

[App page](https://appshunter.io/ios/app/simple-calendar-widget-cal/id1506434688)

Quickly view your monthly schedule and upcoming events with this easy-to-use calendar app. It offers widget support for at-a-glance access to your day and plans, with all data stored securely on your device. Enjoy a comfortable viewing experience with dark mode support.

**Highlights:** Monthly schedule overview, Quick event registration, Widget support for daily plans, Secure on-device data storage, Dark mode compatibility

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Plan (Monthly) | $1.99 | per month |
| Premium Plan (Yearly) | $11.99 | per year |
| Hide ads | $11.99 | one-time |


### pBox

[App page](https://appshunter.io/ios/app/pbox-password-box/id1596007843)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $1.99 | per 7 days |
| Monthly Subscription | $3.99 | per month |
| Annual Subscription | $29.99 | per year |


## Frequently asked questions

### Is Simple Calendar free?

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

### Is pBox free?

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

### Do Simple Calendar or pBox have ads?

Both Simple Calendar and pBox show ads.

### Which is updated more often, Simple Calendar or pBox?

Simple Calendar ships an update every 3 weeks, and pBox every 2 days. Most recently, Simple Calendar was updated on November 3, 2026 and pBox on November 7, 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.*