Comparison

FlowIn vs Bookus

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

FlowIn

This app helps you reduce screen time by blocking distracting applications and websites. It offers customizable timers, schedules, and detailed usage insights to improve focus and build healthier digital habits.

Highlights
  • Block any app or website
  • Deep focus options with Pomodoro
  • Customizable timers and schedules
  • Detailed screen time insights
  • Digital detox and minimalism tools
Read full description

FlowIn – Block Distractions. Reclaim Focus. FlowIn is your all-in-one app and website blocker designed to help you reduce screen time, stay focused, and build better digital habits. Whether you’re studying, working, or just trying to break free from endless scrolling, FlowIn makes it easy to control distractions and stay in flow. Powerful Blocking Features: Block Any App or Website: From YouTube to Instagram, TikTok, Snapchat, Reddit, Discord, and more. FlowIn helps you take back control. Deep Focus Options: Limit unblocking to Pomodoro sessions (25 min focus, 5 min rest). Smart Timers & Schedules: - Block apps for a set duration (e.g., 30 minutes). - Create schedules (e.g., every weekday from 9 AM–5 PM). Detailed Screen Time Insights: Track your app usage daily, weekly, and monthly. Designed for People Who Want To: - Boost productivity - Overcome ADHD or attention issues - Do a digital detox or dopamine reset - Practice digital minimalism - Control screen time and social media use - Block distractions and stay focused Ready to get back in control? Download FlowIn and start building a better relationship with your phone. Support: support@trilliwon.com Terms of Use: https://www.trilliwon.com/apps/terms-and-conditions/

About

Bookus

Features
Read full description

Bookus — Your records, photos, notes, diary… and one book. Gather travel logs, family photos, and quick notes into one book you can flip through. Import from gallery and document scan, read in immersive mode, and protect sensitive books with a PIN. ■ For you if you want to • Keep a diary as a book, not just a photo album • Organize records, photos, and notes in one place • Lock books with a PIN only you know ■ Features • Batch import from gallery • Document scan + on-device OCR (Korean, Japanese, English, and more) • Block-based photo and text layout editor • Page-flip reading mode • Text-to-speech for hidden text • Export and share as PDF or slideshow video • Chapters for sections • Optional PIN lock with on-device encryption for text/layout • ZIP backup and restore ■ Privacy-first Book content, photos, and PIN stay on your device by default. No account required. ■ Bookus Pro / Pro Plus (auto-renewable subscriptions) • Pro: Remove in-app ads, watermark-free exports, higher scanner limits • Pro Plus: Everything in Pro, plus batch OCR and advanced spread split Manage or cancel subscriptions in App Store account settings. ■ Legal Privacy Policy: https://zettycloud.mycafe24.com/bookus/ Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ ■ Ads Free users may see Google AdMob ads. Pro and Pro Plus remove in-app ads. Contact: zettyfactory@gmail.com

Screenshots

FlowIn4 screens
Bookus4 screens

Verdict

The call

The clearest difference is update cadence: Bookus at daily against FlowIn's every 4 days. Bookus also leads on device support (3 vs 1) and iOS requirement (15.5 vs 17). On price, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. FlowIn sells 4 in-app purchases, starting at $2.99 per month and Bookus sells 4 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

FlowIn ships an update every 4 days, Bookus daily. Both last shipped on October 24, 2026.

Scorecard3 real differences · 7 level
FlowIn versus Bookus: the parameters behind the verdict, then further details
ParameterFlowInBookus
PriceFreeFree
Rating4.8 (18 ratings) — better—
Positive reviews86.2% of reviews—
Number of ratings18 — better—
Update frequencyEvery 4 daysDaily — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS1715.5 — better
Further details — not scored
Size88 MB75 MB
Age rating4+4+
DeveloperTRILLIWON, Co.Whanyun Choi

In-app purchases

4 purchases

FlowIn

Subscriptions3
  • Pro$2.991 Month
  • Pro7 Days trial$14.991 Year
  • Pro$19.991 Year
One-time1
  • FlowIn Pro$3.99
4 purchases

Bookus

Subscriptions4
  • 부커스 구독$1.991 Month
  • 부커스 구독$2.991 Month
  • 부커스 구독$19.991 Year
Show 1 more
  • 부커스 구독$29.991 Year

Questions

Is FlowIn free?
FlowIn is free to download, with in-app purchases available.
Is Bookus free?
Bookus is free to download, with in-app purchases available.
Do FlowIn or Bookus have ads?
Neither FlowIn nor Bookus shows ads.
Which is updated more often, FlowIn or Bookus?
FlowIn ships an update every 4 days, and Bookus daily. Most recently, FlowIn was updated on October 24, 2026 and Bookus on October 24, 2026.

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