Just One vs DAYBOX
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
Just One
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Just One - One task at a time. Most productivity apps give you more to manage. Just One does the opposite. You choose one task. You finish it. Only then can you start the next. No lists. No juggling. No overwhelm. ------ HOW IT WORKS 1. Set your one thing - Decide what matters right now and commit to it. 2. Stay focused - Your task stays on screen. You cannot create a new one until it is done. 3. Finish and move on - Mark it complete, then choose your next focus. 4. Be honest with yourself - Did not finish? Carry it forward or let it go, but you have to decide. ------ FEATURES * One task at a time * Daily focus screen * Streak tracking * Calendar view * Progress tracking * Light and dark mode * Adjustable text size * No account required ------ BUILT FOR * People who feel overwhelmed by to-do lists * People who start but struggle to finish * People who want clarity, not complexity ------ NOT FOR * Complex project management * Team collaboration * Full task lists and planning systems ------ PRIVACY Your data stays on your device. We do not collect personal data.
DAYBOX
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Your todo list keeps growing, but you still don't know what to do first? DAYBOX separates remembering from prioritizing. First write down everything for today. Then choose the three that matter most and promote them to the top. Finally, give time only to the tasks that need it. ā Your day with DAYBOX 1. DUMP ā Write everything down No priority, no category. Just a title. As fast as they come to mind. 2. PROMOTE ā Pick the important three One tap lifts a task into FOCUS. Up to three you truly want to finish today. 3. PLAN ā Timebox only what matters Not everything goes on a schedule. Only the tasks that need focus. 4. DO ā Run your day, then it becomes a record. ā Why DAYBOX is different Ā· One field to add ā capture your day in 30 seconds, no setup. Ā· Today's three ā because not everything is equally important. Ā· Timeboxing is optional ā you're never forced to schedule everything. Ā· No auto carry-over ā you decide what yesterday's unfinished tasks become. No todo debt. Ā· One day, one sheet ā no projects, no folders. Just today. Ā· Lock Screen & Home Screen widgets ā see your progress and what's next without opening the app. Ā· Streak ā counts the days you picked three, not the days you finished them. Ā· Repeats, suggested ā routines show up as candidates. Nothing gets added for you. Ā· Tomorrow's three ā decide tonight, start right away in the morning. All data stays on your device. No ads, no account, no sign-in. Write all, focus on three.
Screenshots
Verdict
The clearest difference is update cadence: Just One at daily against DAYBOX's every 5 days. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Just One ships an update daily, DAYBOX every 5 days. Both last shipped on October 28, 2026.
| Parameter | Just One | DAYBOX |
|---|---|---|
| Price | Free | Free |
| Update frequency | Daily ā better | Every 5 days |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.6 | 15.5 ā better |
| Further details ā not scored | ||
| Size | 18 MB | 43 MB |
| Age rating | 4+ | 4+ |
| Developer | Raving Code | woobyeong jeong |
In-app purchases
Just One
No in-app purchases
DAYBOX
No in-app purchases









