Timebook vs OneTime
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
Timebook
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Timebook is a time tracker that records how you spend your day, turns it into habits you can keep, and helps you discover the patterns hidden inside it. No separate check-off: log what you set as a habit, and today's progress fills automatically. Whether you want to build better habits, stay focused on deep work, or fix your sleep schedule, Timebook helps you see what your days really look like ā and shape them on purpose. Skip the complicated forms. Start and stop activities with a single tap. The more you log, the better Timebook understands your day - and surfaces insights that lead to better habits. ā Habits your records keep for you ⢠Today's habits on the home screen ā tap a record-based habit to start logging ⢠Set what counts: simply logging it, or a duration, amount, or count goal ⢠Habits tied to a record are judged automatically, with no separate check-off ⢠Streaks and a footprint board show every day you kept ⢠Rest days and skipped days never count as failures ā Challenges, from 7 days to 100 ⢠Put a window around a habit you already keep: 7, 21, 30, 60, or 100 days ⢠A different badge for each length, and a special trophy when three or more habits started together all succeed ⢠Save and share the result as a badge image ā One-tap time tracking ⢠Tap a quick-action button to start logging in a second ⢠Watch your current session progress on a circular timer ā perfect for Pomodoro-style focus sessions ⢠Edit start and stop times freely ⢠Capture moments with timestamped notes ā Two ways to revisit your day ⢠Timeline: replay your day moment by moment ⢠Grid: see your whole day as a colorful mosaic ā Heatmaps that reveal your patterns ⢠Activity frequency by day of week and time of day ⢠Category-level breakdown of where your time goes ⢠A clear picture of what you actually do, hour by hour ā Routine templates to plan the day ahead ⢠Design your daily plan as a reusable template ⢠Separate templates for weekdays, weekends, and other contexts ⢠Review your routines and see how your days align over time ā In-depth sleep analysis ⢠Bedtime and wake-time patterns over time ⢠Sleep duration and consistency by day of week ā More ⢠Dark mode ⢠Available in 13 languages Start tracking with Timebook and become someone who spends time on what matters.
OneTime
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OneTime is a time-tracking stopwatch for recording time and organizing your day. Start with one tap, and your records flow into a timeline, calendar, and stats. You can track study, work, exercise, reading, and daily activities. See how much you did each day and review weekly and monthly patterns. What you can do with OneTime ⢠Timeline See your activities in chronological order throughout the day. ⢠Calendar Review your records by date and check any day you want. ⢠Stats See how you spend your time with weekly and monthly patterns. ⢠Time tracking Use a stopwatch that tracks one activity at a time. ⢠Manual entries and edits Add missed time later, edit existing records, and leave notes. ⢠Automatic tracking by app Track time automatically based on selected apps. ⢠Routines and checklists Organize recurring items and manage date-based checklists. You can add items, reorder them, and carry unfinished items over to the next day. Missed a record? No problem. You can add or edit it later. OneTime is built not just for measuring time, but for reviewing and organizing your records. If you want time tracking, timeline, calendar, and stats in one app, OneTime fits. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: Timebook at none against OneTime's 4. Timebook also leads on ads (none vs shown) and iOS requirement (15.5 vs 18.0). On price, update cadence 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. OneTime sells 4 in-app purchases, starting at $0.99 per month. Timebook asks for nothing beyond the download.
Timebook ships an update every 3 days, OneTime weekly. The most recent releases landed on September 13, 2026 and October 1, 2026 respectively.
| Parameter | Timebook | OneTime |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 days ā better | Weekly |
| Ads | No ā better | Yes |
| In-app purchases | No ā better | Yes |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.5 ā better | 18.0 |
| Further details ā not scored | ||
| Size | 146 MB | 65 MB |
| Age rating | 4+ | 4+ |
| Developer | Youngsoo Choe | UNCHAN BAEK |
In-app purchases
Timebook
No in-app purchases
OneTime
- Launch Monthly$0.991 Month
- Monthly7 Days trial$1.991 Month
- Token Bundle$0.99
- Lifetime$11.99









