One Great Thing vs ADHD Tool
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
One Great Thing
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One small action can make a difference. A quick task, a personal intention, or the one thing you just have to get done today. One Great Thing allows you to quickly capture this each day, and provides a satisfying visual to complete it. You can use the provided widgets to help keep your item front and center throughout the day.
ADHD Tool
This minimalist task tracker helps you focus on a single priority at a time. It encourages completing one task before moving to the next, moving away from overwhelming to-do lists. Features include Live Activities, widgets, and an Apple Watch app for on-the-go management.
- Single task focus
- Live Activities integration
- Widget support
- Apple Watch app
- Minimalist interface
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Do This is a minimalist task tracker. Stay focused on the one task that matters. Enter one task at a time. Stop creating massive to do lists and start getting things done one at a time. * Live Activities * Widgets * Apple Watch App
Screenshots
Verdict
The clearest difference is price: One Great Thing at Free against ADHD Tool's $3.99. ADHD Tool's advantage is chart position (#187 vs unranked). On update cadence, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
One Great Thing is free to download; ADHD Tool costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.
One Great Thing ships an update every 8 months, ADHD Tool every 10 months. The most recent releases landed on August 9, 2026 and September 10, 2026 respectively.
| Parameter | One Great Thing | ADHD Tool |
|---|---|---|
| Price | Free — better | $3.99 |
| Rating | — | 5.0 (5 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 5 — better |
| Update frequency | Every 8 months — better | Every 10 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Paid |
| Best chart rank | — | #187 — better |
| Devices | iPhone | iPhone, Apple Watch — better |
| Requires iOS | 18.0 | 17.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Finite Fractal Studios, LLC | Edward Prokopik |
In-app purchases
One Great Thing
No in-app purchases
ADHD Tool
No in-app purchases
