Comparison

Flow vs Calendoro

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

Calendoro

This app automatically generates focus timers from your calendar events, splitting them into timed work sessions with breaks. Progress can be logged back to your calendar, or timers can be launched from templates. It syncs across Apple devices.

Highlights
  • Create timers from calendar events
  • Automatic event slicing into focus timers
  • Optional progress logging to calendar
  • Launch timers from templates
  • Syncs across iPhone, iPad, Watch, and Mac
Features
Read full description

Calendoro will create pomodoro focus timers directly from your calendar. ‣ Choose how many timers to create, Calendoro automatically slices your event into the correct number of focus timers, with breaks between. ‣ Once timers are completed (or manually paused), your progress is automatically logged back to your calendar (optional). ‣ Optionally, skip the calendar and launch pomodoro sets from templates. ‣ It syncs! Your pomodoro timer will stay in perfect sync on your iPhone, iPad, Watch and Mac. Calendoro has something for every busy body.

Screenshots

Flow4 screens
Calendoro4 screens

Verdict

The call

The clearest difference is review sentiment: Flow at 86% against Calendoro's 0%. Flow also leads on rating (4.8 vs 3.5) and ratings volume (1.8K vs 2). Calendoro's advantage is in-app purchases (none vs 3) and iOS requirement (16.1 vs 18.0). On price, update cadence 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Flow sells 3 in-app purchases, starting at $2.99 per month. Calendoro asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Flow holds the better App Store score, 4.8 against 3.5. 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 0% of Calendoro's.

UpkeepUpdate frequency

Flow ships an update every 4 weeks, Calendoro every 3 weeks. Both last shipped on October 22, 2026.

Scorecard7 real differences · 3 level
Flow versus Calendoro: the parameters behind the verdict, then further details
ParameterFlowCalendoro
PriceFreeFree
Rating4.8 (1.8K ratings) — better3.5 (2 ratings)
Positive reviews86.1% of reviews — better0.0% of reviews
Number of ratings1.8K — better2
Update frequencyEvery 4 weeksEvery 3 weeks — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, Mac, Apple Watch, Vision Pro — betteriPhone, iPad, Apple Watch
Requires iOS18.016.1 — better
Further details — not scored
Size80 MB8 MB
Age rating4+4+
DeveloperYugen GmbHDiversion Marketing Inc

Customer experience

Flow

All ratings1,755 ratings
Positive94.4%
Neutral2.6%
Negative3.0%
Written reviews589 reviews
Positive86.1%
Neutral4.9%
Negative9.0%

Calendoro

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

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

Calendoro

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
None

Calendoro

No in-app purchases

Questions

Is Flow free?
Flow is free to download, with in-app purchases available.
Is Calendoro free?
Calendoro is free to download, with no in-app purchases.
Which has better reviews, Flow or Calendoro?
Flow is rated higher. Flow averages 4.8 out of 5 from 1.8K ratings, while Calendoro averages 3.5 from 2 ratings.
Do Flow or Calendoro have ads?
Neither Flow nor Calendoro shows ads.
Which is updated more often, Flow or Calendoro?
Flow ships an update every 4 weeks, and Calendoro every 3 weeks. Most recently, Flow was updated on October 22, 2026 and Calendoro on October 22, 2026.

Other comparisons