Comparison

Block & Flow vs Smart Sloth

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

Head to head
About

Block & Flow

This app helps you boost productivity by breaking down tasks into focused work intervals with scheduled breaks. It visualizes your progress and helps you understand where your time goes, encouraging consistent accomplishment.

Highlights
  • 25-minute visual countdown timer
  • Scheduled breaks for energy management
  • Track daily and weekly block completion
  • Color-code blocks for activities
  • Set intentional goals
  • View time history
  • Adjustable block duration
Features
Read full description

Do more in less time with 25-minute blocks. Take it one block at a time and surprise yourself with how much you can accomplish. Inspired by tried and trusted time management techniques. Block & Flow is simple, beautiful and will get your productivity flowing. FEATURES: - A 25-minute visual countdown keeps you focussed and avoiding distractions. - Manage your energy levels with regular breaks - Measure your day, week and longer by how many blocks you finish. - Colour code a block for the activities that you do often or care particularly about. - Goals enable you to be intentional with your time. - History gives you an understanding of where your time goes. - A block’s duration can be changed to your ideal time. WHY IT WORKS: - It makes it easy to get the day started. Just do your first block. - Creates an enjoyment and satisfaction as you see all that you get done. See your blocks build up one by one. - It is clear when to stop. Stop when your block has finished, or after you have done x many blocks for the day. - Every block that you finish is a small success. As these small successes build-up, your self- belief grows. - If you keep finishing your blocks. The time will add up to a lot and you will surprise yourself. (We under-estimate what we can do in the long term). WHO IS IT FOR? People tell me that they do x many blocks a day, or over a week which is fantastic. A few people have been completing their blocks for a year and more. I imagine someone completing their blocks over a month, a year and ultimately many years. I believe they will grow as a person, stretch themselves, and be surprised with what they are able to learn, create and accomplish. This is what excites me and motivates me to do my best for someone that chooses Block & Flow. What will you accomplish, one block at a time? Happy Block & Flowing Stefan ********************* PRO SUBSCRIPTION: - A Monthly or Yearly Pro Subscription is offered. If you purchase a Pro Subscription payment will be charged to your iTunes account. - Renewals will be charged 24 hours prior to the end of your current Pro Subscription. - You can turn off auto-renewal at any time in your iTunes Store settings. POLICIES: - Privacy Policy: https://www.blockandflowapp.com/privacy%20policy/ - Terms of Service: https://www.blockandflowapp.com/terms%20of%20service/

About

Smart Sloth

This productivity app combines a task manager with the Pomodoro Technique to help users stay focused and efficient. It offers customizable task lengths, notifications, and gesture-based controls to overcome procrastination and build routines.

Highlights
  • Pomodoro timer integration
  • Task management
  • Customizable task lengths
  • Notification alerts
  • Gesture-based controls
  • Focus enhancement
Features
Read full description

Give each task a time slot. Smart Sloth brings task planning and a focus timer together for work, study and everyday routines. Plan tasks, choose their durations and follow the current task from the Now screen. Use Plan to organize your task queue and Routines to manage reusable task lists. Start, pause and resume the timer, and receive a notification when a task’s time runs out. Choose the app language in Settings: English, Azerbaijani, Russian, Spanish, French, Turkish, German, Italian or Portuguese (Portugal). Pomodoro ™ and Pomodoro Technique ® are registered trademarks of Francesco Cirillo. This app is not affiliated with Francesco Cirillo. Privacy Policy: https://www.jafarnajafov.com/smart-sloth/privacy-policy Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Block & Flow4 screens
Smart Sloth3 screens

Verdict

The call

The clearest difference is update cadence: Block & Flow at every 3 weeks against Smart Sloth's every 2 months. Smart Sloth's advantage is iOS requirement (15.0 vs 17.6). On price, rating, review sentiment and ratings volume 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. Block & Flow sells 3 in-app purchases, starting at $2.49 per month and Smart Sloth sells 4 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Smart Sloth holds the better App Store score, 4.1 against 3.9. Both are backed by a comparable volume of ratings — 77 and 33 respectively. Written reviews point the same way: 72% of Block & Flow's written reviews are positive against 79% of Smart Sloth's.

UpkeepUpdate frequency

Block & Flow ships an update every 3 weeks, Smart Sloth every 2 months. The most recent releases landed on October 24, 2026 and November 3, 2026 respectively.

Scorecard2 real differences · 8 level
Block & Flow versus Smart Sloth: the parameters behind the verdict, then further details
ParameterBlock & FlowSmart Sloth
PriceFreeFree
Rating3.9 (77 ratings)4.1 (33 ratings) — better
Positive reviews71.6% of reviews79.4% of reviews — better
Number of ratings77 — better33
Update frequencyEvery 3 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPadiPhone, iPod, Apple Watch — better
Requires iOS17.615.0 — better
Further details — not scored
Size7 MB92 MB
Age rating4++4
DeveloperOne foot after the other LtdJafar Najafov

Customer experience

Block & Flow

All ratings76 ratings
Positive72.4%
Neutral5.3%
Negative22.4%
Written reviews95 reviews
Positive71.6%
Neutral7.4%
Negative21.1%

Smart Sloth

All ratings33 ratings
Positive72.7%
Neutral6.1%
Negative21.2%
Written reviews34 reviews
Positive79.4%
Neutral2.9%
Negative17.6%

Bugs and requests

Block & Flow

Reported bugs

11 issues
  • App crashes on launch (reported February 2024)
  • Blocks reset when switching to other apps
  • Blocks disappear from history after completion
  • Timer stops inexplicably during use
  • Subscription status not recognized after reinstall
Show 6 more
  • Incompatibility with older iPhone models
  • Blocks fail to time correctly and end immediately
  • History only displays one week of data
  • Cannot navigate forward in history view
  • Data loss on app restart
  • Notification system loses completed blocks if not immediately rated

Requested features

20 requests
  • Customizable work block duration (not just 25 minutes)
  • Ability to edit task descriptions from previous days
  • Change block categories retroactively
  • Do-not-disturb mode activation with blocks
  • Watch app or Apple Watch complication
Show 15 more
  • Vibration notification option for silent mode
  • Mac version of the app
  • Lock screen timer display
  • White noise or ticking sound for focus
  • Auto-advance to next block feature
  • More detailed history with hours instead of block count
  • Independent goal tracking within same category
  • Export functionality for data
  • Multiple independent goals under same category
  • Ability to view notes for each block in history
  • Forward navigation in history view
  • Ongoing notifications until manually dismissed
  • Automatic block registration without app interaction
  • More color choices for categories
  • Reduced subscription pricing

Smart Sloth

Not enough reviews yet to summarise bugs or requests.

In-app purchases

3 purchases

Block & Flow

Subscriptions3
  • Monthly$2.491 Month
  • Yearly$19.991 Year
  • Yearly with Trial7 Days trial$19.991 Year
4 purchases

Smart Sloth

Subscriptions3
  • Monthly Subscription7 Days trial$0.991 Month
  • Monthly Subscription$1.491 Month
  • Yearly Subscription7 Days trial$4.491 Year
One-time1
  • Lifetime$4.99

Questions

Is Block & Flow free?
Block & Flow is free to download, with in-app purchases available.
Is Smart Sloth free?
Smart Sloth is free to download, with in-app purchases available.
Which has better reviews, Block & Flow or Smart Sloth?
Smart Sloth is rated higher. Block & Flow averages 3.9 out of 5 from 77 ratings, while Smart Sloth averages 4.1 from 33 ratings.
Do Block & Flow or Smart Sloth have ads?
Neither Block & Flow nor Smart Sloth shows ads.
Which is updated more often, Block & Flow or Smart Sloth?
Block & Flow ships an update every 3 weeks, and Smart Sloth every 2 months. Most recently, Block & Flow was updated on October 24, 2026 and Smart Sloth on November 3, 2026.

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