Comparison

Calculation Sheet 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

Calculation Sheet

This app offers a digital number game designed to help children aged 3-8 learn and understand basic arithmetic operations. It uses various game modes to make abstract mathematical concepts engaging and accessible.

Highlights
  • Digital number game
  • Learn addition, subtraction, multiplication, division
  • Understand abstract mathematical concepts
  • Variety of game modes
  • Ages 3-8 focus
  • Parental guidance support
Features
Read full description

Multifunctional calculation sheet for children. • Game Purpose ◦ Simple digital number game. ◦ Learning and understanding simple add, subtract, multiply, divide operation concept. ◦ Fully understand the abstract mathematical knowledge with game. ◦ Variety of game modes through the combination of mathematics, activating their interest in the game. • Experts Advice ◦ For parents to pay attention to develop children's potential. ◦ For 3-8 years old children's mathematical concept, guide them to learn abstract mathematics basic knowledge.

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

Calculation Sheet1 screens
Abacus Kids4 screens

Verdict

The call

The clearest difference is rating: Abacus Kids at 5.0 against Calculation Sheet's 3.5. Abacus Kids also leads on ads (none vs shown) and update cadence (every 10 days vs every 6 months). Calculation Sheet's advantage is iOS requirement (12.0 vs 17.0). On price, ratings volume, 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. Calculation Sheet sells 1 one-off in-app purchase and Abacus Kids sells 6 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Abacus Kids holds the better App Store score, 5.0 against 3.5. Both are backed by a comparable volume of ratings — 2 and 4 respectively.

UpkeepUpdate frequency

Calculation Sheet ships an update every 6 months, Abacus Kids every 10 days. The most recent releases landed on October 14, 2026 and October 24, 2026 respectively.

Scorecard4 real differences · 6 level
Calculation Sheet versus Abacus Kids: the parameters behind the verdict, then further details
ParameterCalculation SheetAbacus Kids
PriceFreeFree
Rating3.5 (2 ratings)5.0 (4 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings24 — better
Update frequencyEvery 6 monthsEvery 10 days — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better17.0
Further details — not scored
Size26 MB57 MB
Age rating4+4+
DeveloperAPP Technology Co. Ltd.Vedaavi Learning

Customer experience

Calculation Sheet

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%

Abacus Kids

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

In-app purchases

1 purchases

Calculation Sheet

One-time1
  • Calculation Sheet (No Ads)$0.99
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 Calculation Sheet free?
Calculation Sheet is free to download, with in-app purchases available.
Is Abacus Kids free?
Abacus Kids is free to download, with in-app purchases available.
Which has better reviews, Calculation Sheet or Abacus Kids?
Abacus Kids is rated higher. Calculation Sheet averages 3.5 out of 5 from 2 ratings, while Abacus Kids averages 5.0 from 4 ratings.
Do Calculation Sheet or Abacus Kids have ads?
Calculation Sheet shows ads; Abacus Kids does not.
Which is updated more often, Calculation Sheet or Abacus Kids?
Calculation Sheet ships an update every 6 months, and Abacus Kids every 10 days. Most recently, Calculation Sheet was updated on October 14, 2026 and Abacus Kids on October 24, 2026.

Other comparisons