Comparison

Flow vs Boost Focus Timer

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

Head to head
About

Flow

Enhance your concentration and productivity with a scientifically proven method. This app divides your workflow into focused work intervals and scheduled breaks, helping you reduce stress and stay motivated. Ideal for work, study, or any task requiring deep focus.

Highlights
  • Pomodoro timer with work intervals and breaks
  • App and web blocking
  • Statistics tracking
  • Commitment mode
  • Inspirational quotes
  • Home & Lock Screen Widgets
Features
Read full description

Join hundreds of thousands of happy users who enjoy this simple way to stay focused and productive. Use Flow to get things done. Flow is a tiny but mighty app that helps you work on a task, study for school or simply stay focused without being distracted for a certain amount of time. Flow divides your workflow into sections with defined breaks, making it easy to stay focused. This method has been scientifically proven to be an effective way to increase your concentration and motivation while reducing your stress levels. The use of a Pomodoro timer can be a huge boost to your productivity. Use Flow to ... ... concentrate ... work on a task ... study for school ... code all night ... work from home Benefits of this technique • Improved focus and motivation • Increased productivity • Less stress and better health • Better management of interruptions Features • Pomodoro timer with work intervals and breaks • Statistics to keep track of your completed sessions • Notifications to remind you of short breaks • App and web blocking to combat distractions • Commitment mode for self-control • Inspirational quotes for motivation • Metronome for deep focus • Multiple duration options • Custom session title • Apple Calendar sync • Apple Health sync • iCloud sync of stats • Home & Lock Screen Widgets • Support for Live Activities & Dynamic Island YOU MATTER TO US We want to make Flow even better! Please give us your honest feedback in order to help us fix bugs and improve the app. We will regularly update Flow based on your feedback. Thank you! ABOUT US Yugen is a small independent developer studio based in Frankfurt, Germany. Our team is devoted to making great apps that we want to use ourselves. We strive to create products that help people in their everyday life with intuitive user experiences and minimalistic design. QUESTIONS? If you have any questions or problems, feel free to email us. We provide awesome support and love to help! www.flow.app support@flow.app Twitter: flow__app Facebook: flowapp.info Instagram: flowapp.info FLOW PRO Subscriptions will automatically renew unless canceled within 24-hours before the end of the current period through your Apple account. For more information, see our Terms of Use at https://www.flow.app/legal and Apple's Terms of Use (EULA) at https://www.apple.com/legal/internet-services/itunes/dev/stdeula/.

About

Boost Focus Timer

Enhance your productivity with a customizable focus timer and habit tracker. Utilize a proactive AI agent to assist with goals and tasks. This app offers a comprehensive suite of tools to help you stay organized and achieve your objectives.

Highlights
  • Customizable focus sessions
  • Habit tracking
  • Goal setting
  • Proactive AI agent assistance
  • Fully customizable productivity tools
Features
Read full description

Start focus sessions, track habits, goals, and get help from proactive AI -- fully customizable productivity app, just ask the AI agent.

Screenshots

Flow4 screens
Boost Focus Timer4 screens

Verdict

The call

The clearest difference is ads: Flow at none against Boost Focus Timer's shown. Flow also leads on ratings volume (1.8K vs 2) and device support (5 vs 3). Boost Focus Timer's advantage is rating (5.0 vs 4.8) and review sentiment (100% vs 86%). On price, in-app purchases and monetization model 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. Flow sells 3 in-app purchases, starting at $2.99 per month and Boost Focus Timer sells 4 in-app purchases, starting at $1.49 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Boost Focus Timer holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Flow has 1.8K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 86% of Flow's written reviews are positive against 100% of Boost Focus Timer's.

UpkeepUpdate frequency

Flow ships an update every 4 weeks, Boost Focus Timer every 2 weeks. The most recent releases landed on September 30, 2026 and September 14, 2026 respectively.

Scorecard7 real differences · 3 level
Flow versus Boost Focus Timer: the parameters behind the verdict, then further details
ParameterFlowBoost Focus Timer
PriceFreeFree
Rating4.8 (1.8K ratings)5.0 (2 ratings) — better
Positive reviews86.0% of reviews100.0% of reviews — better
Number of ratings1.8K — better2
Update frequencyEvery 4 weeksEvery 2 weeks — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, Mac, Apple Watch, Vision Pro — betteriPhone, iPad, iPod
Requires iOS18.014.0 — better
Further details — not scored
Size80 MB33 MB
Age rating4+4+
DeveloperYugen GmbHJacob Beauchamp

Customer experience

Flow

All ratings1,755 ratings
Positive94.4%
Neutral2.6%
Negative3.0%
Written reviews587 reviews
Positive86.0%
Neutral4.9%
Negative9.0%

Boost Focus Timer

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Flow

Reported bugs

4 issues
  • Live activity feature not working consistently
  • Timer not recording sessions accurately
  • App blocking functionality not working as expected
  • Crashes and freezes on certain macOS versions

Requested features

6 requests
  • Allow custom work and break durations
  • Add option to pause and resume flow sessions
  • Implement real-time sync across devices
  • Provide more detailed productivity tracking and reporting
  • Include an Apple Watch app with complication support
Show 1 more
  • Add ability to block notifications from certain apps during flows

Boost Focus Timer

Not enough reviews yet to summarise bugs or requests.

In-app purchases

3 purchases

Flow

Subscriptions2
  • Monthly Plan7 Days trial$2.991 Month
  • Yearly Plan14 Days trial$17.991 Year
One-time1
  • Lifetime Pro Access$39.99
4 purchases

Boost Focus Timer

Subscriptions2
  • Boost Focus Timer Subscription7 Days trial$1.491 Month
  • Boost Focus Timer Subscription7 Days trial$9.991 Year
One-time2
  • Rocket Timer Animation$2.99
  • Battery Timer Animation$2.99

Questions

Is Flow free?
Flow is free to download, with in-app purchases available.
Is Boost Focus Timer free?
Boost Focus Timer is free to download, with in-app purchases available.
Which has better reviews, Flow or Boost Focus Timer?
Boost Focus Timer is rated higher. Flow averages 4.8 out of 5 from 1.8K ratings, while Boost Focus Timer averages 5.0 from 2 ratings.
Do Flow or Boost Focus Timer have ads?
Boost Focus Timer shows ads; Flow does not.
Which is updated more often, Flow or Boost Focus Timer?
Flow ships an update every 4 weeks, and Boost Focus Timer every 2 weeks. Most recently, Flow was updated on September 30, 2026 and Boost Focus Timer on September 14, 2026.

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