Book Yappy vs Screen Time Control
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Book Yappy
This app helps you track your reading progress, stay motivated, and build consistent reading habits. Engage with virtual book characters and analyze your reading data. A subscription unlocks advanced features like data syncing and more character interactions.
- Reading habit tracking
- Reading motivation tools
- Book character chat
- Reading data analysis
- Note taking
- Data syncing (subscription)
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Book Yappy helps you track your reading, be more engaged and motivated while reading, develop lasting reading habits, chat with book characters, and more! NOTE: The BookYappy+ subscription is needed for data syncing, more character chats, and more! EULA: https://d1af2lvvh100pg.cloudfront.net/bookyap/terms.pdf For feature suggestions or questions, leave a rating or contact: team@fbdstudio.com
Screen Time Control
This app transforms your to-do list into screen time. Complete tasks to earn logs, which you can then use to extend your allowed usage of distracting apps. When your screen time runs out, those apps are blocked until you earn more time by being productive.
- Task and habit creation with custom rewards
- Screen time management with app blocking
- Interactive flame companion with mood states
- Home and lock screen widgets
- Customizable screen time limits and app selection
- Private by design, no cloud sync or tracking
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Stop doomscrolling. Earn your screen time instead. Burn turns your to-do list into screen time. Get things done, earn logs, and feed them to Burn, a little flame who lives on your phone. Scroll too much and Burn's fuel runs out, and so do your distracting apps. No willpower required. Just a flame worth keeping lit. HOW IT WORKS • Start each day with a screen time budget you choose • Scrolling the apps you pick burns through it, minute by minute • Hit zero and those apps lock • Finish tasks to earn logs • Feed logs to Burn: every log buys 10 more minutes GET STUFF DONE • Give every task its own log reward, so big jobs pay more • Daily, weekday, or custom repeating tasks for your habits • Plan Today, Tomorrow, and the days ahead • Sort tasks into color-coded categories • Shake to undo if you tap too soon A FLAME WORTH KEEPING LIT • Burn reacts to your day: happy when you're on track, worried when time runs low, out cold when it's gone • Tap, pet, and drag logs in to feed him • Dozes off at night with a sleepy face • Keep Burn lit at midnight to build your streak YOU'RE IN CONTROL • Choose exactly which apps and categories burn fuel • Everything else stays open • Set your own daily budget • No account, no sign-in, no ads. BURN+ (ONE-TIME PURCHASE) • 13 flame colors, each with a matching app icon • Home Screen and Lock Screen widgets, including a task list you can check off without opening the app • Live Activity: watch your fuel count down in the Dynamic Island • Low fuel warnings before your apps lock • Screen Time Insights: see which apps ate your time, by day, week, and month Burn uses Apple's Screen Time to track and limit only the apps you choose. What you do in them never leaves your device.
Screenshots
Verdict
The clearest difference is rating: Book Yappy at 5.0 against Screen Time Control's 4.7. Book Yappy also leads on update cadence (every 10 days vs every 3 weeks). On price, review sentiment, ratings volume and ads 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. Book Yappy sells 2 in-app purchases, starting at $3.99 per month and Screen Time Control sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Book Yappy holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 4 and 7 respectively. Written reviews split almost evenly too, at 100% and 100% positive.
Book Yappy ships an update every 10 days, Screen Time Control every 3 weeks. The most recent releases landed on October 21, 2026 and October 11, 2026 respectively.
| Parameter | Book Yappy | Screen Time Control |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) — better | 4.7 (7 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 4 | 7 — better |
| Update frequency | Every 10 days — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | Free with in-app purchases |
| Devices | iPhone | iPhone |
| Requires iOS | 17.2 — better | 18.0 |
| Further details — not scored | ||
| Size | 73 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | Fajar Dirham | Vincent Nguyen |
Customer experience
Book Yappy
Screen Time Control
In-app purchases
Book Yappy
- BookYap Plus Monthly7 Days trial$3.991 Month
- BookYap Plus Yearly7 Days trial$29.991 Year
Screen Time Control
- Burn+$9.99









