Comparison

Focus Tree vs Stackd

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

Head to head
About

Focus Tree

This app helps students stay focused during study sessions by blocking distractions and offering study timers. It also includes flashcards with spaced repetition for effective learning and allows users to study with friends by growing shared virtual gardens.

Highlights
  • Focus sessions with distraction blocking
  • Study timers and Pomodoro sessions
  • Flashcard creation and spaced repetition
  • Shared virtual gardens for group study
  • Progress tracking and accountability with friends
Features
Read full description

#1 Focus App for Students (2M+ users) Can’t stop checking your phone when you should be studying? Focus Tree helps you stay focused, study smarter, and get better grades together. FOCUS ANYWHERE, ANYTIME Start a focus session and block distractions automatically. Use study timers or Pomodoro sessions to stay consistent and productive. STUDY SMARTER WITH FLASHCARDS Create and review flashcards that actually stick. Use spaced repetition to remember more and ace your exams. STAY MOTIVATED WITH FRIENDS Join shared gardens with classmates or friends. Each time you focus, you add new blocks to your garden and design it your way. Work together, track each other’s streaks, and stay accountable. SEE REAL RESULTS Students who focus daily with Focus Tree report higher grades, stronger habits, and less stress. Focus Tree: study better, together. Privacy Policy: https://focustree.app/privacy Terms of Service: https://focustree.app/terms

About

Stackd

Features
Read full description

This is a simple study timer app that allows you to record and manage your study time by subject. Simply measure your time with the timer and save it. You can also log sessions manually or add entries for past dates. You can record everything together, including subjects, study materials, pages, and notes. You can view the big picture of your studies by checking your subject balance with weekly graphs and reviewing your progress streaks on the calendar. No ads, no social media features, and no account registration required. All data is saved on your device, so there are no privacy concerns. Perfect for anyone who wants to focus on learning, from exam preparation to certifications and language studies. [Main Features] - 3 timer modes (Stopwatch, Countdown, Pomodoro) - Management of subjects, materials, pages, and notes - Weekly graphs to check subject balance (bar chart & donut chart) - Calendar to visualize study days with color-coding - Display of consecutive study days (streaks) - Daily study reminder - Backup and data export functions [Stackd Pro (One-time purchase)] - Monthly graphs and cumulative line graphs - Setting weekly goals and checking achievement rates - 9 color themes - Home screen and lock screen widgets - Real-time timer display on the Lock Screen

Screenshots

Focus Tree4 screens
Stackd4 screens

Verdict

The call

The clearest difference is ads: Stackd at none against Focus Tree's shown. Focus Tree's advantage is iOS requirement (16.1 vs 18). On price, update cadence, in-app purchases and device support 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. Focus Tree sells 14 in-app purchases, starting at $9.99 per month and Stackd sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Focus Tree ships an update every 2 weeks, Stackd fortnightly. The most recent releases landed on October 17, 2026 and October 18, 2026 respectively.

Scorecard2 real differences · 8 level
Focus Tree versus Stackd: the parameters behind the verdict, then further details
ParameterFocus TreeStackd
PriceFreeFree
Rating4.7 (5.7K ratings) — better—
Positive reviews68.0% of reviews—
Number of ratings5.7K — better—
Update frequencyEvery 2 weeks — betterFortnightly
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad — betteriPhone
Requires iOS16.1 — better18
Further details — not scored
Size265 MB3 MB
Age rating12+4+
DeveloperFocus LabsNene Nakagawa

Bugs and requests

Focus Tree

Reported bugs

4 issues
  • App gets stuck on loading screen
  • Notifications not working as expected
  • Account recovery issues when changing devices
  • Screen time feature not functioning properly

Requested features

4 requests
  • Allow pausing of study sessions
  • Provide more tiles/rewards for longer study sessions
  • Add option to choose different tile designs
  • Improve compatibility with larger devices like iPads

Stackd

Not enough reviews yet to summarise bugs or requests.

In-app purchases

14 purchases

Focus Tree

Subscriptions8
  • Focus Tree Premium$9.991 Month
  • Premium Annual7 Days trial$19.991 Year
  • Premium Annual7 Days trial$29.991 Year
Show 5 more
  • Premium Annual7 Days trial$39.991 Year
  • Premium Annual7 Days trial$49.991 Year
  • Focus Tree Premium7 Days trial$69.991 Year
  • Premium Annual7 Days trial$89.991 Year
  • Premium Annual7 Days trial$99.991 Year
One-time6
  • Coin Pack$0.99
  • Coin Pack$4.99
  • Coin Pack ($9.99)$9.99
Show 3 more
  • Coin Pack ($19.99)$19.99
  • Coin Pack ($49.99)$49.99
  • Coin Pack ($99.99)$99.99
1 purchases

Stackd

One-time1
  • Stackd Pro$1.99

Questions

Is Focus Tree free?
Focus Tree is free to download, with in-app purchases available.
Is Stackd free?
Stackd is free to download, with in-app purchases available.
Do Focus Tree or Stackd have ads?
Focus Tree shows ads; Stackd does not.
Which is updated more often, Focus Tree or Stackd?
Focus Tree ships an update every 2 weeks, and Stackd fortnightly. Most recently, Focus Tree was updated on October 17, 2026 and Stackd on October 18, 2026.

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