# Pencil Calendar vs Mastermind Timer

The clearest difference is in-app purchases: Mastermind Timer at none against Pencil Calendar's 2. Pencil Calendar's advantage is update cadence (fortnightly vs every 5 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Pencil Calendar sells 2 one-off in-app purchases. Mastermind Timer asks for nothing beyond the download.

Pencil Calendar ships an update fortnightly, Mastermind Timer every 5 weeks. The most recent releases landed on October 12, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Pencil Calendar | Mastermind Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (82 ratings)](https://appshunter.io/ios/app/pencil-calendar-calendarpad/id1587598103/reviews)** | — |
| Number of ratings | **82** | — |
| Positive reviews | 37.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 5 weeks |
| Monetization | Freemium | — |
| Size | 6 MB | 50 MB |
| Requires iOS | 17.6 | **16.4** |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Semore Software](https://appshunter.io/developer/1551678206) | [Duc Huy Pham](https://appshunter.io/developer/1804515567) |

## What reviewers say

### Pencil Calendar

[App page](https://appshunter.io/ios/app/pencil-calendar-calendarpad/id1587598103)

This app combines handwritten planning with digital productivity tools. Plan your year, month, week, or day using your Apple Pencil, with options to doodle, sketch, and add notes. It syncs with your Apple Calendar and offers customizable widgets for easy access to your schedule.

**Highlights:** Handwritten planning with Apple Pencil, Year, Month, Week, and Day views, Syncs with Apple Calendar, Customizable widgets, Export to PDF or PNG, Template switching without data loss, Backup and restore functionality

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CalendaPad Pro Promo | $7.99 | one-time |
| CalendarPad Pro | $7.99 | one-time |


### Mastermind Timer

[App page](https://appshunter.io/ios/app/mastermind-timer/id6744639059)

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

**In-app purchases:** none


## Frequently asked questions

### Is Pencil Calendar free?

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

### Is Mastermind Timer free?

Mastermind Timer is free to download, with no in-app purchases.

### Do Pencil Calendar or Mastermind Timer have ads?

Neither Pencil Calendar nor Mastermind Timer shows ads.

### Which is updated more often, Pencil Calendar or Mastermind Timer?

Pencil Calendar ships an update fortnightly, and Mastermind Timer every 5 weeks. Most recently, Pencil Calendar was updated on October 12, 2026 and Mastermind Timer on October 2, 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.*