Comparison

Abacus Exercise vs Abacus Kids

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

Head to head
About

Abacus Exercise

Practice abacus calculations with a customizable digital tool. Adjust bead colors, sounds, and layout for a personalized learning experience. Challenge yourself with addition, subtraction, multiplication, and division exercises.

Highlights
  • Customizable abacus layout
  • Adjustable bead size and position
  • Up to 15-digit support
  • Customizable bead colors and sounds
  • Addition, subtraction, multiplication, division practice
  • Level-based challenges
Features
Read full description

This app focuses on the ease of use of the abacus on the app, and aims to realize smooth and comfortable operability. In addition to being able to use the abacus widely on the horizontal screen, the size and position can be freely customized according to the device. The number of digits can be used up to 15 digits, and the color and sound of the beads can also be set. You can challenge the addition and subtraction, multiplication, division questions according to your level.

About

Abacus Kids

This app teaches children mental math skills using the abacus method. It offers a structured curriculum with practice levels, exams, and games designed to improve calculation speed and confidence. The app supports various age groups with tailored learning modules.

Highlights
  • Abacus method for mental math
  • Structured curriculum by age group
  • Practice levels and formal exams
  • Speed math and Anzan training
  • Math game zone with puzzles
  • Customizable challenge modes
Features
Read full description

Does your child freeze when they see a math problem? Struggle to keep up in class? Or maybe they are doing fine — but you know they could do so much more? Abacus Kids teaches children to solve math in their head — no calculator, no fingers, no guessing. Using the abacus method trusted by top schools across Asia for over 2,000 years, your child will build real mental math skills — and the confidence to show them off. — — — — — — — — — — WHO THIS IS FOR — — — — — — — — — — Age 4-6 — Learn the abacus, move beads, read numbers to 99 Age 6-8 — Master addition and subtraction using bead formulas Age 8-10 — Speed math and mental calculation without looking at beads Age 10+ — Times tables x1 to x20, exam practice, challenge mode — — — — — — — — — — ABACUS FREE MODE — — — — — — — — — — Explore the abacus freely — always fully unlocked for everyone. Abacus structure with labelled parts and tooltips Earth beads (value 1) and heaven bead (value 5) Correct finger technique for bead movement Set numbers practice with configurable range — — — — — — — — — — A REAL CURRICULUM — NOT JUST AN APP — — — — — — — — — — Level 1: Bead Basics — 5 lessons with Learn, Practice and Quiz phases Level 2: Addition and Subtraction — 10 chapters from direct bead moves to Small Friend, Big Friend, and Family formulas Level 3: Speed and Mental Math — Guided Series, Semi-Anzan, Full Anzan, Speed Drill, Flash Challenge Level 4: Times Tables — full x1 to x20 practice — — — — — — — — — — ABACUS PRACTICE — 8 FULL LEVELS — — — — — — — — — — 8 levels. All 4 operations. 20 problems per set. 3 modes: Step by Step — every bead move guided with direction arrows and formula hints Final Answer — child solves independently, sets answer at the end Formal Exam — timed, all 20 questions, score saved to history — — — — — — — — — — EXAM — — — — — — — — — — Choose operation and difficulty (Beginner to Expert). Simple equations, missing number problems, abacus visual questions. 4-choice MCQ. Timed. Result saved. — — — — — — — — — — EXERCISE — — — — — — — — — — Choose digit count, number of lines, and time target. Answer using the abacus or number keypad. Result saved. — — — — — — — — — — CUSTOM CHALLENGE MODE — ANZAN TRAINING — — — — — — — — — — Numbers flash on screen or are spoken aloud. Your child calculates entirely in their mind — no abacus, no paper. Configure: 5 to 20 questions, 2 to 6 digit numbers, spoken or visual or both, variable flash speed. This is Anzan — the skill abacus champions train for. — — — — — — — — — — MATH GAME ZONE — — — — — — — — — — - Speed Compare - Balloon Pop - True or False - Math Bingo - Missing Operator - Equation Match - Magic Square - Merge 2048 - Place Value Builder - Clock Master - Calcudoku - Cross Math - Number Path - Kakuro Kids - Number Detective - Number Snake — — — — — — — — — — SETTINGS AND PERSONALISATION — — — — — — — — — — Abacus Theme, Voice Pronunciation, Background Music, Bead Move Sound, Display Current Number Value, Formula Hints, Bead Direction Guide, Abacus Sums Speak, Left-Hand Mode — — — — — — — — — — HISTORY AND REPORTS — — — — — — — — — — Every exam, exercise, and challenge saved with score, time, and date. Free: last 3 results. Premium: full history. — — — — — — — — — — FREE TO START — ALWAYS — — — — — — — — — — Level 1 is completely free. No trial countdown. No credit card. Premium unlocks: all 8 practice levels, all 4 learning levels, all exam types and difficulties, all exercise variants, Custom Challenge Mode, all math games, full history, and all settings. — — — — — — — — — — NO ADS. NOT NOW. NOT EVER. — — — — — — — — — — Not even on the free tier. Your child's focus is not interrupted. Period. The abacus is not old-fashioned. It is the fastest path to the mental arithmetic that top students, engineers, and mathematicians say gave them their edge. Give your child that edge. Start free today. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Abacus Exercise4 screens
Abacus Kids4 screens

Verdict

The call

The clearest difference is review sentiment: Abacus Kids at 100% against Abacus Exercise's 46%. Abacus Kids also leads on rating (5.0 vs 4.4) and ads (none vs shown). Abacus Exercise's advantage is in-app purchases (none vs 6) and ratings volume (62 vs 5). On price 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. Abacus Kids sells 6 in-app purchases, starting at $0.99 per 7 days. Abacus Exercise asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Abacus Kids holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Abacus Exercise has 62 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 46% of Abacus Exercise's written reviews are positive against 100% of Abacus Kids's.

UpkeepUpdate frequency

Abacus Exercise ships an update every 3 weeks, Abacus Kids every 10 days. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

Scorecard8 real differences · 2 level
Abacus Exercise versus Abacus Kids: the parameters behind the verdict, then further details
ParameterAbacus ExerciseAbacus Kids
PriceFreeFree
Rating4.4 (62 ratings)5.0 (5 ratings) — better
Positive reviews46.2% of reviews100.0% of reviews — better
Number of ratings62 — better5
Update frequencyEvery 3 weeksEvery 10 days — better
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationAd-supported — betterFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS11.0 — better17.0
Further details — not scored
Size90 MB57 MB
Age rating4+4+
DeveloperHirokazu KomatsuVedaavi Learning

Customer experience

Abacus Exercise

All ratings60 ratings
Positive90.0%
Neutral1.7%
Negative8.3%
Written reviews13 reviews
Positive46.2%
Neutral7.7%
Negative46.2%

Abacus Kids

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Abacus Exercise

No in-app purchases

6 purchases

Abacus Kids

Subscriptions4
  • Weekly Subscription$0.997 Days
  • Monthly Subscription$2.991 Month
  • Yearly Subscription Discount$12.001 Year
Show 1 more
  • Yearly Subscription$17.991 Year
One-time2
  • Lifetime Access Discount$29.99
  • Lifetime Access$49.99

Questions

Is Abacus Exercise free?
Abacus Exercise is free to download, with no in-app purchases.
Is Abacus Kids free?
Abacus Kids is free to download, with in-app purchases available.
Which has better reviews, Abacus Exercise or Abacus Kids?
Abacus Kids is rated higher. Abacus Exercise averages 4.4 out of 5 from 62 ratings, while Abacus Kids averages 5.0 from 5 ratings.
Do Abacus Exercise or Abacus Kids have ads?
Abacus Exercise shows ads; Abacus Kids does not.
Which is updated more often, Abacus Exercise or Abacus Kids?
Abacus Exercise ships an update every 3 weeks, and Abacus Kids every 10 days. Most recently, Abacus Exercise was updated on October 24, 2026 and Abacus Kids on October 30, 2026.

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