Comparison

Matsy Abacus vs FluentBoo

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

Head to head
About

Matsy Abacus

This educational app helps children master mental arithmetic through engaging games and adaptive trainers. It utilizes abacus techniques, flash cards, and proven methods to boost calculation speed, focus, and memory. Suitable for students, parents, and teachers seeking effective mental math tools.

Highlights
  • Abacus flash cards
  • Multiplication and division trainers
  • Mental math exercises
  • Brother/Friend techniques
  • 5050 mode
  • Speed & accuracy games
  • Adaptive difficulty
Features
Read full description

Matsy Abacus – Mental Math Trainers for
Boost mental calculation, focus, and memory through play! Matsy Abacus is an educational app that helps children master mental arithmetic with engaging exercises and adaptive trainers. Mental math, abacus techniques, flash cards, and proven methods like “Brother” and “Friend” — all in one app. Inside the app: * Flash cards for learning the abacus * Trainers for multiplication and division — including times tables * Mental math exercises: addition and subtraction with multiple levels * “Brother”, “Friend”, and “Brother + Friend” techniques — simple explanations and practice * 5050 mode — count from 1 to 100 and back * Speed & accuracy games — improve results daily * Flexible difficulty settings — adapts to your level What is mental arithmetic? Mental arithmetic is a method of mental calculation based on abacus practice. It develops: * Fast mental math * Concentration and attention * Logical and visual thinking * Memory and observation skills Who is it for? * Students in mental arithmetic schools * Math competition participants * Elementary school students (Grades 1–4) * Parents and teachers looking for effective mental math tools Why choose Matsy Abacus? * Simple and clear abacus learning * Fun mini-games and trainers * Suitable for both beginners and advanced users * Train anytime — even short sessions bring results Help your child grow mathematically —
Download Matsy Abacus and start exploring the world of mental math today! Terms of Use: https://mental-workout.github.io/terms_of_use.html Privacy Policy: https://mental-workout.github.io/privacy_policy.html

About

FluentBoo

Read full description

• Learn words from the content you actually enjoy. FluentBoo: Vocabulary Builder helps you capture, understand, practice, and remember vocabulary from your own content instead of memorizing random word lists. Whenever you discover a useful word, phrase, quote, sentence, or expression, FluentBoo helps you save it quickly, learn it in context, and review it through powerful learn and test modes. • Quick Add Vocabulary With Quick Add from notifications, you can add new words without breaking your flow. While reading, studying, watching videos, listening to content, chatting, or browsing, you can save vocabulary fast and turn everyday moments into long-term language growth. No more losing useful words in screenshots, random notes, translations, or browser tabs. • Learn From Your Own Content Import and organize content from Kindle highlights, Readwise, Notion, Google Docs, Google Sheets, Microsoft Excel, Microsoft Word, and your own saved content. Bring your books, notes, documents, highlights, quotes, and learning material into one smart vocabulary system. • Why FluentBoo? Most language learning apps give everyone the same generic exercises. FluentBoo is different. Build vocabulary from your own content, then learn through AI explanations, examples, stories, quotes, pronunciation training, and AI chat. Learn English, German, Spanish, French, Italian, and more while understanding words in real context and using them with confidence. • 4 Learn Modes • Flashcards Review saved words with focused cards for fast recall and daily vocabulary practice. • Story Mode Turn selected words into short stories so you can understand meaning, usage, grammar, and context naturally. • Quotes Mode Learn vocabulary through meaningful quotes, examples, and real language patterns. • Shadowing Mode Practice listening, pronunciation, rhythm, and speaking by repeating words and sentences out loud. • 4 Test Modes • Multiple Choice Test word meanings with quick vocabulary quizzes. • Sentence Builder Build sentences using your saved words and improve grammar, structure, and active recall. • Typing Speed Train fast recall by typing words and meanings quickly and accurately. • Matching Match words with meanings to strengthen recognition and memory. • AI-Powered Language Practice Use AI to explain difficult words, create examples, generate stories, build practice exercises, support AI conversation, and help you understand vocabulary deeply. Instead of only translating words, FluentBoo helps you learn how words are used in sentences, conversations, books, documents, and real-life content. • Import Options Import or organize vocabulary from: • Kindle • Readwise • Notion • Google Docs • Google Sheets • Microsoft Excel • Microsoft Word • Your own notes and saved content • Features • Quick Add vocabulary from notifications • Learn words from your own content • Import from Kindle, Readwise, Notion, Docs, Sheets, Excel, and Word • Practice with 4 Learn Modes • Test yourself with 4 Test Modes • AI chat and AI-generated examples, stories, and explanations • Flashcards, quizzes, matching, typing, and sentence practice • Learn through quotes, stories, context, and real examples • Practice pronunciation, listening, and shadowing • Save and review important words • Build personalized vocabulary lists • Study English, German, Spanish, French, Italian, and more • Learn through context instead of random memorization • Built for Real Language Learners Designed for students, language learners, readers, professionals, and anyone who wants to build vocabulary from meaningful content. Save words faster. Learn from your content. Practice with AI. Build vocabulary from what you love

Screenshots

Matsy Abacus4 screens
FluentBoo4 screens

Verdict

The call

The clearest difference is ads: Matsy Abacus at none against FluentBoo's shown. Matsy Abacus also leads on iOS requirement (13.4 vs 15.5). 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. Matsy Abacus sells 5 in-app purchases, starting at $2.99 per month and FluentBoo sells 10 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Matsy Abacus ships an update monthly, FluentBoo every 2 months. The most recent releases landed on November 6, 2026 and November 5, 2026 respectively.

Scorecard2 real differences · 8 level
Matsy Abacus versus FluentBoo: the parameters behind the verdict, then further details
ParameterMatsy AbacusFluentBoo
PriceFreeFree
Rating4.9 (30 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings30 — better—
Update frequencyMonthly — betterEvery 2 months
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.4 — better15.5
Further details — not scored
Size66 MB92 MB
Age rating4+12+
DeveloperIGOR ILINHossam Elshall

In-app purchases

5 purchases

Matsy Abacus

Subscriptions4
  • Mental Workout Premium Month7 Days trial$2.991 Month
  • Premium (6 months)7 Days trial$8.996 Months
  • Matsy Premium Year$9.991 Year
Show 1 more
  • Mental Workout Premium Year7 Days trial$14.991 Year
One-time1
  • Mental Workout Premium$7.99
10 purchases

FluentBoo

Subscriptions6
  • FluentBoo PRO Weekly Plan3 Days trial$2.997 Days
  • FluentBoo MAX Weekly Plan3 Days trial$8.997 Days
  • FluentBoo PRO Monthly Plan7 Days trial$9.991 Month
Show 3 more
  • FluentBoo MAX Monthly Plan7 Days trial$29.991 Month
  • FluentBoo PRO Yearly Plan7 Days trial$89.991 Year
  • FluentBoo MAX Yearly Plan7 Days trial$179.991 Year
One-time4
  • 200 Coins — Starter Pack$0.99
  • 1,100 Coins — Popular Pack$4.99
  • 2,500 Coins — Value Pack$9.99
Show 1 more
  • 6,500 Coins — Power Pack$24.99

Questions

Is Matsy Abacus free?
Matsy Abacus is free to download, with in-app purchases available.
Is FluentBoo free?
FluentBoo is free to download, with in-app purchases available.
Do Matsy Abacus or FluentBoo have ads?
FluentBoo shows ads; Matsy Abacus does not.
Which is updated more often, Matsy Abacus or FluentBoo?
Matsy Abacus ships an update monthly, and FluentBoo every 2 months. Most recently, Matsy Abacus was updated on November 6, 2026 and FluentBoo on November 5, 2026.

Other comparisons