Timefog vs chapter lock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Timefog
Visualize your day as a "donut" where priorities shrink in real-time if you go overtime. This app helps you see the trade-offs you're making before it's too late, protecting your sleep schedule automatically.
- Real-time time trade-off visualization
- Priority setting and planned time allocation
- One-tap task start
- Overtime notifications
- Automatic sleep schedule protection
- Subscription with free trial
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Subscription required. 7-day free trial on the annual plan. Ever spend too long on one thing and realize you ran out of time for everything else? Timefog makes that visible for you. In real time. Your day is a single donut. When a priority runs overtime, the other ones shrink one by one, so you see exactly what you're sacrificing while it's still happening. HOW IT WORKS — Set your priorities and planned time for each — Start a task with one tap — If you go overtime, your other tasks shrink to show the real cost — Get notified before time runs out — Your sleep schedule is protected automatically WHY IT'S DIFFERENT Most productivity apps track time after it's gone or force you into rigid timers. Timefog shows you the tradeoff you're making in real time so you can decide what matters most — before the day is over. Built for deep workers, students, creators, and anyone who loses track of time when they're locked in. Stop sacrificing what matters. Start seeing your day clearly. SUBSCRIPTION Timefog is a subscription app. Choose the plan that fits you: • Annual — start with a 7-day free trial, then billed yearly • Monthly — billed every month, cancel anytime Your subscription auto-renews at the end of each period unless you cancel at least 24 hours before it ends. Payment is charged to your Apple ID at confirmation of purchase. You can manage or cancel anytime in Settings → Apple ID → Subscriptions. Terms: https://timefog.app/terms Privacy: https://timefog.app/privacy
chapter lock
This app helps you read more by blocking distracting applications until you meet your reading goals. Set custom reading targets, track your progress, and build a consistent daily habit of turning screen time into reading time.
- App blocking for social media and games
- Flexible reading goals (pages or time)
- Reading habit building
- Streak tracking for consistency
- Reading insights and progress tracking
- In-app library for tracking books
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chapter lock become the reader you keep saying you want to be “a reader lives a thousand lives before he dies” - George R.R. Martin how to use chapter lock: 1. choose which apps to block 2. set your reading goal 3. read a specific number of pages, or for a set number of minutes 4. unlock your apps and move on with your day feeling refreshed if you want to read more and scroll less, chapter lock helps you get there with a simple rule: before you open distracting apps, you read. we aren’t another complicated reading tracker. we help you turn wasted screen time into reading time, build a real daily habit, and finally make progress on the books you keep meaning to finish. what’s inside - app blocking for instagram, tiktok, reddit, youtube, games, and more - flexible goals: one chapter, a specific page count, or a timed reading session - a library for tracking what you’re reading - streaks that show your consistency growing - reading insights that help you see your progress good for - building a daily reading habit - reducing screen time without deleting every app - finishing the books already on your shelf - replacing doomscrolling with something you actually want if you have ideas or questions, send us an email at [hi@chapterlock.com](mailto:hi@chapterlock.com)! *note: all app blocking, reading tracking, streaks, and insights require an active subscription.* no features available without one. terms: https://chapterlock.com/legal/terms privacy policy: https://chapterlock.com/legal/privacy
Screenshots
Verdict
The clearest difference is rating: Timefog at 5.0 against chapter lock's 3.5. On price, ratings volume, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Timefog sells 2 in-app purchases, starting at $2.99 per month and chapter lock sells 2 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.
Timefog holds the better App Store score, 5.0 against 3.5. Both are backed by a comparable volume of ratings — 1 and 2 respectively.
| Parameter | Timefog | chapter lock |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 3.5 (2 ratings) |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | 1 | 2 — better |
| Update frequency | — | Every 2 days |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Subscription | Subscription |
| Devices | iPhone | iPhone |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 207 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | Jacobi Colombani | Caccamedia LLC |
In-app purchases
Timefog
- Timefog Pro - Monthly$2.991 Month
- Timefog Pro - Annual7 Days trial$29.991 Year
chapter lock
- pro (weekly)$6.997 Days
- pro (yearly)3 Days trial$49.991 Year









