JustStart vs OneThing
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
JustStart
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The hardest part of having ADHD isn't understanding what to do โ it's starting. JustStart is built around one simple truth: the smaller the first step, the easier it is to begin. Break any task into pieces small enough to actually start, then use a body doubling timer to keep your focus going. TASK BREAKDOWN โ START IN 3 SECONDS Add a task, hit "Break It Down," and JustStart splits it into micro-steps you can actually begin. No more staring at "write report" on your to-do list. Instead: "open document," "write one sentence," "find one source." The first step is always achievable. BODY DOUBLING TIMER Body doubling is one of the most effective focus strategies for ADHD brains โ working alongside someone else (even virtually) dramatically improves task completion. JustStart's body doubling mode pairs you with focus sessions so you're never alone in the struggle. HYPERFOCUS ALARM ADHD hyperfocus is a double-edged sword. JustStart's hyperfocus alarm gently interrupts you after a set time โ reminding you to eat, move, or switch tasks before hours have vanished without you noticing. ADHD-FRIENDLY DESIGN No overwhelming dashboards. No endless lists. JustStart shows you one thing at a time โ the very next step you need to take. Minimal visual clutter, high contrast options, and large touch targets make it accessible when your brain is already at capacity. FOCUS TIMER WITH FLEXIBLE INTERVALS Whether you prefer 25-minute Pomodoro blocks, 10-minute sprints, or custom intervals, JustStart's focus timer adapts to how your brain works โ not how productivity gurus say it should work. WIDGET โ YOUR NEXT STEP, ALWAYS VISIBLE The JustStart widget shows your current task's next step directly on your home screen. Glance, tap, start. No unlocking, no navigating, no decision fatigue. STREAKS BUILT FOR ADHD BRAINS Traditional streak systems punish one bad day and reset everything. JustStart's streak system is forgiving by design โ rewarding consistency over perfection, and celebrating effort rather than output. REMINDERS THAT ACTUALLY LAND Smart, non-repetitive reminders that vary their message and timing so your brain doesn't tune them out. Because the fifteenth identical notification is invisible to an ADHD brain. JustStart is for adults and teens with ADHD, ADD, or anyone who struggles with task initiation, executive dysfunction, time blindness, or chronic overwhelm. You are not lazy. You just need a different kind of start. Free tier: 10 active tasks, basic focus timer. A subscription unlocks unlimited tasks, body doubling sessions, full focus history, custom hyperfocus alarm profiles, advanced widgets, and detailed productivity insights. Questions? hello@sourcesoftware.net Terms: https://juststart.sourcesoftware.net/terms.html
OneThing
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OneThing cuts through the ADHD fog and shows you one thing at a time. It's an ADHD focus & task planner. You have tasks in Google Tasks, events in Google Calendar, emails in Gmail, reminders in Apple Reminders, items in Todoist โ and a brain that freezes when choosing where to start. OneThing reads all of it, scores by urgency, and hands you a single swipe card: the one thing to do right now. HOW IT WORKS Swipe right to commit and mark done. Swipe left to defer. Swipe up to delete. Swipe down to pin as your Do Now. Each swipe brings the next card โ no lists, no overwhelm. WHAT YOU GET โข Decision queue that merges calendar events, tasks, and emails into one prioritised stack โข AI assistant you can voice-ramble to โ it turns your thoughts into tasks and actions โข Google Calendar, Google Tasks, and Gmail sync โ see your whole day without switching apps โข Apple Reminders sync โข Todoist sync โข Do Now mode: one thing, front and centre, for the next hour BUILT FOR ADHD No lists. No folders. No endless settings. Just one card, one choice, one tap. PRIVACY OneThing reads your calendar events, tasks, and email metadata (subject, sender, date). We never read email bodies without your explicit opt-in. Your data is never sold and never used for advertising.
Screenshots
Verdict
The clearest difference is in-app purchases: OneThing at none against JustStart's 2. OneThing also leads on iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. JustStart sells 2 in-app purchases, starting at $4.99 per month. OneThing asks for nothing beyond the download.
| Parameter | JustStart | OneThing |
|---|---|---|
| Price | Free | Free |
| Ads | No | No |
| In-app purchases | Yes | No โ better |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 17.0 | 15.1 โ better |
| Further details โ not scored | ||
| Size | 2 MB | 45 MB |
| Age rating | 4+ | 4+ |
| Developer | Deniz Demirel | mirre snelting |
In-app purchases
JustStart
- ADHD Monthly$4.991 Month
- ADHD Yearly$29.991 Year
OneThing
No in-app purchases









