# StackMap vs InkThink

The clearest difference is in-app purchases: StackMap at none against InkThink's 1. InkThink's advantage is update cadence (every 2 days vs every 2 months). On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for StackMap against 5.0 for InkThink. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

StackMap ships an update every 2 months, InkThink every 2 days. The most recent releases landed on September 14, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | StackMap | InkThink |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/stackmap/id6748178051/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/inkthink-handwritten-planner/id6757943346/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 21 MB | 212 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Adam Stack](https://appshunter.io/developer/1824565397) | [Sundaram Applied Technologies](https://appshunter.io/developer/1418740697) |

## What reviewers say

### StackMap

[App page](https://appshunter.io/ios/app/stackmap/id6748178051)

This app provides visual routines and check-ins for children with autism, ADHD, and intellectual disabilities. It offers customizable activity cards, celebration animations, and PIN protection to support daily tasks and foster independence.

**Highlights:** Visual daily check-ins, Customizable routine cards, Pre-built activity templates, Celebration animations, PIN protection, Multi-user support

**Features:** macOS Compatibility

**In-app purchases:** none


### InkThink

[App page](https://appshunter.io/ios/app/inkthink-handwritten-planner/id6757943346)

This stylus-first planner allows you to organize your thoughts using handwriting. It integrates a diary, calendar, tasks, mind maps, and notes into a fluid, pen-powered canvas. Experience intelligent ink reflow for seamless task and calendar management.

**Highlights:** Stylus-first handwriting input, Intelligent ink reflow, Integrated diary, calendar, tasks, mind maps, notes, Interactive calendar entries, Freeform thinking canvas, Modular and intuitive design

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| InkThink Base App | $24.99 | one-time |


## Frequently asked questions

### Is StackMap free?

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

### Is InkThink free?

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

### Which has better reviews, StackMap or InkThink?

StackMap and InkThink are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do StackMap or InkThink have ads?

Neither StackMap nor InkThink shows ads.

### Which is updated more often, StackMap or InkThink?

StackMap ships an update every 2 months, and InkThink every 2 days. Most recently, StackMap was updated on September 14, 2026 and InkThink on September 20, 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.*