# InkPlanner vs Prism

The clearest difference is in-app purchases: Prism at none against InkPlanner's 1. Prism also leads on update cadence (every 3 weeks vs every 4 months) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. InkPlanner sells 1 one-off in-app purchase. Prism asks for nothing beyond the download.

InkPlanner ships an update every 4 months, Prism every 3 weeks. The most recent releases landed on November 3, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | InkPlanner | Prism |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (10 ratings)](https://appshunter.io/ios/app/inkplanner/id1665455386/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 37.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 6 MB | 35 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Christian Merk](https://appshunter.io/developer/1487924099) | [Trajectory Labs, LLC](https://appshunter.io/developer/1871911403) |

## What reviewers say

### InkPlanner

[App page](https://appshunter.io/ios/app/inkplanner/id1665455386)

A digital wall calendar app for iPad and Apple Pencil, offering a clear yearly overview. It allows handwritten entry of appointments and notes with a customizable color-coded legend for enhanced organization and a minimalist planning experience.

**Highlights:** Yearly overview at a glance, Handwritten notes and appointments, Customizable color-coded legend, Minimalist and simple design, Digital replication of physical wall calendars

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Calendar | $6.99 | one-time |


### Prism

[App page](https://appshunter.io/ios/app/prism-focus-task-manager/id6761664849)

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

**In-app purchases:** none


## Frequently asked questions

### Is InkPlanner free?

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

### Is Prism free?

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

### Do InkPlanner or Prism have ads?

Neither InkPlanner nor Prism shows ads.

### Which is updated more often, InkPlanner or Prism?

InkPlanner ships an update every 4 months, and Prism every 3 weeks. Most recently, InkPlanner was updated on November 3, 2026 and Prism on October 25, 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.*