Comparison

AlgoApp vs Focus Tree

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

Head to head
About

AlgoApp

This app helps you learn languages or study for tests using advanced flashcards. It offers automatic translation, text-to-speech, AI-powered PDF conversion, and offline access. Sync your progress across devices and organize your study materials with folders.

Highlights
  • Automatic translation for 120 languages
  • Text-to-speech for 39 languages
  • AI PDF to flashcard conversion
  • Offline study mode
  • Cross-device sync
  • FSRS spaced repetition algorithm
  • Anki deck import
Features
Read full description

Learn languages, or study for school and tests, with the most powerful and user-friendly flashcard app. Millions of language-learners and students have studied over 2 billion flashcards with AlgoApp. Ranked #1 Education app in multiple countries world-wide. Featured in the New York Times. Designed by learning experts, including a published neuroscientist. Whether you're learning a language to live somewhere new or just for fun, need to get through med school, or just want to crush your tests, AlgoApp has already done it for over 5 million people. Why AlgoApp? FOR LANGUAGE LEARNERS • Automatic translation. Make vocab flashcards faster by typing words in the language you know, then AlgoApp translates to the language you're learning (or vice versa). Supports 120 languages including Japanese, Chinese, Korean, English, German, French, and more... • Speaks flashcards to you, in dozens of languages (automatic text-to-speech). Supports 39 languages including Japanese, Chinese, Korean, English, German, French, and more... • Automatically generates furigana annotations for kanji, or pinyin annotations for hanzi. FOR STUDENTS • Converts PDFs directly into flashcards using AI. Upload lecture slides and have a full deck of flashcards ready in seconds. • Prompt AI to make flashcards for you based on text and pictures. Turns handwritten notes and diagrams into flash cards for you. • Format your cards with colored text, bulleted lists, underlines, and more (no CSS needed). • Works offline, so you can study and make cards even when you don't have signal. • Syncs automatically with desktop, web app, and your other phones and tablets. So you can make cards on a computer with a full keyboard, then study on your phone. • Natively supports FSRS, the most-advanced spaced repetition algorithm. • Imports Anki decks (.apkg), AlgoApp (.xml) files, or spreadsheets (.csv). • Supports folders and subfolders, to keep your classes organized. • Notifications tell you when it's time to study (opt-in). • Share decks and study with your friends using Study Groups. • No ads. For the most-dedicated students, try AlgoApp Unlimited free for 7 days. Study as much as you want on all your devices. If you want to upgrade to AlgoApp Unlimited, you can either purchase "Unlimited: 1-Year" which is a 1-year auto-renewing subscription, or "Unlimited: Lifetime" which is a one-time purchase. • Unlimited grants you access to unlimited cross-platform multi-device sync, and more.. • If you choose "Unlimited: 1-Year", the subscription will automatically renew, unless auto-renew is turned off at least 24-hours before the end of the current period. Payment will be charged to your Apple Account within 24-hours before the end of the current period (renewal or trial period). • You can manage your subscription and disable auto-renewal by going to your Account Settings after purchase. Terms of Service: https://www.algoapp.ai/terms.html Privacy Policy: https://www.algoapp.ai/privacy.html

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

Screenshots

AlgoApp4 screens
Focus Tree4 screens

Verdict

The call

The clearest difference is ads: AlgoApp at none against Focus Tree's shown. AlgoApp also leads on update cadence (every 4 days vs every 2 weeks) and device support (4 vs 2). Focus Tree's advantage is review sentiment (68% vs 50%). On price, rating, 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. AlgoApp sells 4 in-app purchases, starting at $9.99 per month and Focus Tree sells 14 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.7 for AlgoApp against 4.7 for Focus Tree. Both are backed by a comparable volume of ratings — 20K and 5.7K respectively. Written reviews are what separate them: 50% of AlgoApp's written reviews are positive against 68% of Focus Tree's.

UpkeepUpdate frequency

AlgoApp ships an update every 4 days, Focus Tree every 2 weeks. Both last shipped on October 19, 2026.

Scorecard5 real differences · 5 level
AlgoApp versus Focus Tree: the parameters behind the verdict, then further details
ParameterAlgoAppFocus Tree
PriceFreeFree
Rating4.7 (20K ratings)4.7 (5.7K ratings)
Positive reviews49.6% of reviews67.7% of reviews — better
Number of ratings20K — better5.7K
Update frequencyEvery 4 days — betterEvery 2 weeks
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad
Requires iOS15.0 — better16.1
Further details — not scored
Size51 MB265 MB
Age rating12+12+
DeveloperAlgoApp IncFocus Labs

Customer experience

AlgoApp

All ratings20,032 ratings
Positive93.2%
Neutral2.3%
Negative4.5%
Written reviews937 reviews
Positive49.6%
Neutral10.9%
Negative39.5%

Focus Tree

All ratings5,724 ratings
Positive92.1%
Neutral4.1%
Negative3.8%
Written reviews468 reviews
Positive67.7%
Neutral9.8%
Negative22.4%

User reviews

AlgoApp

From 20K App Store ratings

What we love

  • 👍 Efficient flashcard creation and review
  • 🚀 Sleek and user-friendly interface
  • 💡 Useful AI-powered features
  • 🚀 Convenient cross-device syncing
  • 👍 Effective spaced repetition algorithm

Room to improve

  • 🐛 Frequent glitches and bugs
  • 🔒 Lack of transparency around paid features
  • 🐛 Syncing and data loss issues
  • 🐛 Unreliable audio playback
  • 🐛 Confusing and unintuitive UI changes

Focus Tree

From 5.7K App Store ratings

What we love

  • 🚀 Helps with focus and productivity
  • 👍 Cute and motivating design
  • 🔒 Blocks distracting apps
  • 💡 Competitive aspect with friends
  • 🌱 Fun to build a garden

Room to improve

  • 🐛 App freezes or gets stuck
  • 🔒 Overly restrictive app blocking
  • 💰 Lack of customization options
  • 🎁 Limited rewards for study sessions

Bugs and requests

AlgoApp

Reported bugs

5 issues
  • Cards disappearing from decks
  • Inability to log in or sync across devices
  • Formatting issues when copying/pasting text
  • Inconsistent behavior when editing cards
  • Frequent app crashes and freezes

Requested features

6 requests
  • Ability to edit/customize downloaded decks
  • Option to review cards in creation order
  • Customizable daily study limits
  • Global search across all decks
  • Markdown support and rich text formatting
Show 1 more
  • Improved folder/deck organization tools

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

In-app purchases

4 purchases

AlgoApp

Subscriptions3
  • Unlimited: 1-Month$9.991 Month
  • AnkiApp Unlimited$24.991 Year
  • Unlimited: 1-Year$29.991 Year
One-time1
  • Unlimited: Lifetime$149.99
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

Questions

Is AlgoApp free?
AlgoApp is free to download, with in-app purchases available.
Is Focus Tree free?
Focus Tree is free to download, with in-app purchases available.
Which has better reviews, AlgoApp or Focus Tree?
AlgoApp and Focus Tree are both rated 4.7 out of 5 on the App Store, from 20K and 5.7K ratings respectively.
Do AlgoApp or Focus Tree have ads?
Focus Tree shows ads; AlgoApp does not.
Which is updated more often, AlgoApp or Focus Tree?
AlgoApp ships an update every 4 days, and Focus Tree every 2 weeks. Most recently, AlgoApp was updated on October 19, 2026 and Focus Tree on October 19, 2026.

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