Core Three vs Only Three
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Core Three
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STAY FOCUSED. GET MORE DONE. Too many tasks? Overwhelmed by endless to-do lists? Core Three keeps you focused on what truly matters by limiting you to just 3 tasks per day. WHY CORE THREE? Research shows that focusing on fewer tasks leads to better completion rates and less stress. Core Three enforces this proven productivity principle with a simple rule: only 3 active tasks at a time. KEY FEATURES - 3-Task Daily Limit β Focus on your most important tasks without distraction - Smart Backlog β Store future tasks and let them automatically move to Today when you're ready - Due Dates & Notes β Add context and deadlines to stay organized - Track Progress β See your completed tasks and celebrate your wins - Powerful Search β Find any task instantly across all lists - Clean Design β Beautiful, intuitive interface that stays out of your way HOW IT WORKS 1) Add your tasks to the Backlog with due dates 2) Move your top 3 priorities to Today 3) Complete them before adding more 4) Review your accomplishments in Done Stop juggling endless tasks. Start finishing what matters.
Only Three
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Most to-do lists donβt work. They capture tasks, but don't help you complete them. Only Three is different. Instead of endless tasks and cluttered lists, you choose just three things to complete each day. Thatβs it. Simple, focused, and effective. Clarity, not clutter. Why it works Plan your priorities the night before. No more long lists. Just the three things that actually matter. Built for focus. Feel accomplished daily. Review your History and keep across completed tasks. Finish your three tasks and end the day with a clear win. No accounts, no distractions. Your tasks stay on your device. Open the app and go. Stop planning everything. Start finishing what matters. Let's start, with Only Three.
Screenshots
Verdict
The clearest difference is iOS requirement: Only Three at 15.1 against Core Three's 17.6. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Core Three | Only Three |
|---|---|---|
| Price | Free | Free |
| Update frequency | β | Every 2 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone | iPhone, iPod β better |
| Requires iOS | 17.6 | 15.1 β better |
| Further details β not scored | ||
| Size | 1 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | PAUL SHIN GAY | Alan Pooley |
In-app purchases
Core Three
No in-app purchases
Only Three
No in-app purchases







