# ADHD Structure Planner vs One Big Thing

The clearest difference is in-app purchases: One Big Thing at none against ADHD Structure Planner's 3. ADHD Structure Planner's advantage is update cadence (fortnightly vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. ADHD Structure Planner sells 3 in-app purchases, starting at $4.99 per month. One Big Thing asks for nothing beyond the download.

ADHD Structure Planner ships an update fortnightly, One Big Thing every 2 months. The most recent releases landed on September 20, 2026 and February 23, 2026 respectively.

## The numbers

| Metric | ADHD Structure Planner | One Big Thing |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (8 ratings)](https://appshunter.io/ios/app/adhd-structure-planner-simple/id6742843891/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 84.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Freemium | — |
| Size | 162 MB | 1 MB |
| Requires iOS | 18.6 | **17.6** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Pawel Dembski](https://appshunter.io/developer/1752941251) | [Thomas Chatting](https://appshunter.io/developer/1811425476) |

## What reviewers say

### ADHD Structure Planner

[App page](https://appshunter.io/ios/app/adhd-structure-planner-simple/id6742843891)

This app helps individuals with ADHD manage their time and tasks effectively. It offers visual planning, focus timers, and habit tracking to reduce overwhelm and build routines. Premium features provide advanced customization for a personalized productivity experience.

**Highlights:** Visual daily timeline, Smart focus timers, Apple Calendar integration, Quick task management, Recurring reminders, Productivity insights, Gamified progress

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $4.99 | per month |
| Annual | $24.99 | per year |
| Lifetime (One-time payment) | $59.99 | one-time |


### One Big Thing

[App page](https://appshunter.io/ios/app/one-big-thing/id6745229950)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ADHD Structure Planner free?

ADHD Structure Planner is free to download, with in-app purchases available.

### Is One Big Thing free?

One Big Thing is free to download, with no in-app purchases.

### Do ADHD Structure Planner or One Big Thing have ads?

Neither ADHD Structure Planner nor One Big Thing shows ads.

### Which is updated more often, ADHD Structure Planner or One Big Thing?

ADHD Structure Planner ships an update fortnightly, and One Big Thing every 2 months. Most recently, ADHD Structure Planner was updated on September 20, 2026 and One Big Thing on February 23, 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.*