Comparison

Mental Abacus vs Abacus

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

Head to head
About

Mental Abacus

Master abacus mental arithmetic with illustrated tutorials and a step-by-step demonstrator. Practice calculations on a virtual abacus and learn the two-hands fingering method to enhance right brain functions. Ideal for self-learning addition and subtraction.

Highlights
  • Illustrated tutorials
  • Step-by-step demonstrator
  • Virtual abacus practice
  • Two hands fingering method
  • Addition and subtraction
  • Rapid calculation exercises
Features
Read full description

Mental Abacus is a self-learning package for fundamentals to mixed addition and subtraction. With the facility of fully illustrated tutorials and powerful step demonstrator, you can master the skills of abacus mental arithmetic effortlessly. Mental Abacus is mainly divided into two sections, namely Tutorial and Abaculator. ABACUS TUTORIAL Interfaces are organized in a simple and easy way for novice to follow. Concepts, theories and techniques are explained not only by uncomplicated words, but also with massive illustrations. Numerous examples with demonstration further strengthen the study effectiveness. ABACULATOR A great tool that demonstrates the steps for BOTH hands abacus mental arithmetic. Just enter a number or an equation, Abaculator will show you every step with detailed description and explanation. You can pause and continue whenever you need, or even switch to show set of steps for other number or equation in the middle of the demonstration. And More...VIRTUAL ABACUS Built-in virtual abacus enables you to follow the lessons and practice the Two Hands Fingering Method on the abacus at the same time. You can try to solve the examples on the virtual abacus by yourself and check with the demonstration steps provided on the page as well. FEATURES SUMMARY: - Two hands fingering method fosters right brain functions - Abaculator drives beads and explains every step - Basics to multi-digit numbers addition and subtraction - Rapid calculations are included to enhance speed and fun - Virtual Abacus allows you to practise along everywhere - Assists in achieving the ultimate aim of abacus training, transforming visualized beads move on imaginary abacus and getting rid of the substantial abacus

About

Abacus

This educational app combines ancient calculation wisdom with modern technology. It features a beautiful interface with large beads, supports decimal points and negative numbers, and offers multilingual support for a fun and engaging learning experience.

Highlights
  • Beautiful interface with large beads
  • Support for decimal points and negative numbers
  • 21-column abacus
  • Multilingual support (19 languages)
  • Interactive calculation examples
Features
Read full description

WHEN ANCIENT WISDOM MEETS MODERN TECHNOLOGY ! BEAUTIFUL INTERFACE with COMFORT & BIG BEADS ! SUPPORT DECIMAL POINT & NEGATIVE NUMBERS ! 21-COLUMN ABACUS CAN SPEAK ! • LANGUAGES: ENGLISH JAPANESE RUSSIAN CHINESE ARABIC GERMAN FRENCH SPANISH KOREAN NORWEGIAN FINNISH CANTONESE DANISH PORTUGUESE SWEDISH INDONESIAN TURKISH DUTCH VIETNAMESE • LET'S USE ABACUS TO CALCULATE AND HAVE FUN ! 2+2+2+2+2+2+2+2+2+2 = 20 30-3-3-3-3-3-3-3-3-3-3 = 0 1+2+3+4+5+6+7+...+98+99+100 = 5050

Screenshots

Mental Abacus4 screens
Abacus4 screens

Verdict

The call

The clearest difference is review sentiment: Mental Abacus at 67% against Abacus's 15%. Abacus's advantage is price ($2.99 vs $8.99). On update cadence, ads, 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

Mental Abacus costs $8.99 and Abacus $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Mental Abacus ships an update every 13 months, Abacus every 9 months. The most recent releases landed on October 23, 2026 and October 18, 2026 respectively.

Scorecard2 real differences · 8 level
Mental Abacus versus Abacus: the parameters behind the verdict, then further details
ParameterMental AbacusAbacus
Price$8.99$2.99 — better
Rating3.9 (7 ratings) — better—
Positive reviews66.7% of reviews — better15.4% of reviews
Number of ratings7 — better—
Update frequencyEvery 13 monthsEvery 9 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad, iPod
Requires iOS15.0 — better15.6
Further details — not scored
Size17 MB12 MB
Age rating4+4+
DeveloperHamster Force Multimedia Ltd.俊 姜

Customer experience

Mental Abacus

All ratings7 ratings
Positive71.4%
Neutral0.0%
Negative28.6%
Written reviews3 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

Abacus

Written reviews13 reviews
Positive15.4%
Neutral0.0%
Negative84.6%

In-app purchases

None

Mental Abacus

No in-app purchases

None

Abacus

No in-app purchases

Questions

Is Mental Abacus free?
Mental Abacus costs $8.99, with no in-app purchases.
Is Abacus free?
Abacus costs $2.99, with no in-app purchases.
Do Mental Abacus or Abacus have ads?
Neither Mental Abacus nor Abacus shows ads.
Which is updated more often, Mental Abacus or Abacus?
Mental Abacus ships an update every 13 months, and Abacus every 9 months. Most recently, Mental Abacus was updated on October 23, 2026 and Abacus on October 18, 2026.

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