# ADHD Notes vs Chain

The clearest difference is in-app purchases: ADHD Notes at none against Chain's 10. ADHD Notes also leads on device support (3 vs 1). On price, update cadence, ads and iOS requirement there is nothing between them.

Both are free to download. Chain sells 10 in-app purchases, starting at $2.99 per month. ADHD Notes asks for nothing beyond the download.

ADHD Notes ships an update every 4 days, Chain weekly. The most recent releases landed on October 24, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | ADHD Notes | Chain |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (5 ratings)](https://appshunter.io/ios/app/adhd-notes-ai-brain-dump/id6777769493/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Weekly |
| Monetization | Free | — |
| Size | 24 MB | 3 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Useful Tools LLC](https://appshunter.io/developer/6777769495) | [Matthew Busel](https://appshunter.io/developer/6810582483) |

## What reviewers say

### ADHD Notes

[App page](https://appshunter.io/ios/app/adhd-notes-ai-brain-dump/id6777769493)

This app helps manage tasks and reminders for individuals with ADHD. It offers a simple, flat interface to capture thoughts and provides focus tools, gentle reminders, and a daily summary to reduce mental clutter.

**Highlights:** Capture thoughts from anywhere, Focus mode with quiet timer, Recurring nudges and daily briefs, Full context on every task, Home and Lock Screen widgets, Low-stimulation mode

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### Chain

[App page](https://appshunter.io/ios/app/chain-habit-tracker/id6814264554)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chain Plus, monthly | $2.99 | per month |
| Chain Plus, yearly | $14.99 | per year |
| Streak Repair | $0.99 | one-time |
| Bloom Theme | $0.99 | one-time |
| Gold Theme | $0.99 | one-time |
| Tide Theme | $0.99 | one-time |
| Violet Theme | $0.99 | one-time |
| Celebration Pack | $0.99 | one-time |
| Freeze Pack | $0.99 | one-time |
| Chain Unlimited | $4.99 | one-time |


## Frequently asked questions

### Is ADHD Notes free?

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

### Is Chain free?

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

### Do ADHD Notes or Chain have ads?

Neither ADHD Notes nor Chain shows ads.

### Which is updated more often, ADHD Notes or Chain?

ADHD Notes ships an update every 4 days, and Chain weekly. Most recently, ADHD Notes was updated on October 24, 2026 and Chain on October 26, 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.*