Core Three vs Screenshot Card Box
Price, ratings, monetisation and update history for both apps, side by side โ 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 โ Focus on your most important tasks without distraction - Smart Backlog โ Store future tasks and let them automatically move to Today when you're ready - Due Dates & Notes โ Add context and deadlines to stay organized - Track Progress โ See your completed tasks and celebrate your wins - Powerful Search โ Find any task instantly across all lists - Clean Design โ 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.
Screenshot Card Box
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Screenshot Box turns screenshots you want to use later into organized cards Import only the screenshots you choose from Photos or the share sheet, then use on-device OCR and local rules to sort them from the inbox into cards Main features - Add screenshots to an inbox - Create cards for payments reservations tickets places shopping recipes and notes - Swipe to classify delete or archive - Add due cards to Reminders - Add reservations and tickets to Calendar - Review addresses and store notes as map candidates - Search by amount place name URL booking code and text Screenshot Box does not use a paid AI API Text recognition and classification run on device, and no account is required to organize your screenshots
Screenshots
Verdict
Core Three and Screenshot Card Box are too close to call on the numbers: across 5 compared parameters โ price, ads, in-app purchases and device support among them โ neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Core Three | Screenshot Card Box |
|---|---|---|
| Price | Free | Free |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone | iPhone |
| Requires iOS | 17.6 โ better | 18.0 |
| Further details โ not scored | ||
| Size | 1 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | PAUL SHIN GAY | Takahiro Onishi |
In-app purchases
Core Three
No in-app purchases
Screenshot Card Box
No in-app purchases









