Comparison

Mental Calculation vs Geometry Nets Helper

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

Head to head
About

Mental Calculation

Practice basic arithmetic operations like addition, subtraction, multiplication, and division. Engage in challenges against the AI or another player, choosing difficulty levels to improve your math skills with fun.

Highlights
  • Addition and subtraction practice
  • Times tables and division
  • Challenge MathyBot mode
  • Two-player mode
  • Selectable difficulty levels
  • Customizable operations
Features
Read full description

Practice addition, subtraction; times tables and divisions. Challenge MathyBot or "two players" mode. Enable which operations you want to practice. Select level for each player: easy - medium - master Answer fast and correctly to win the match! And to learn mathematics with some fun!

About

Geometry Nets Helper

This app helps visualize the transformation between 2D cube nets and 3D solid cubes. Users can add colors and symbols to surfaces for clearer understanding and test various assembly scenarios. It supports all 11 types of cube nets, allowing for rotation and flipping.

Highlights
  • Net to solid cube visualization
  • Surface, side, and point connection understanding
  • Color and symbol customization
  • Interactive problem-solving
  • Support for all 11 cube nets
  • Net rotation and flipping
Features
Read full description

Geometry net learning support app produced by Digital Gene. This is an application that assists in understanding the relationship between a net cube and a solid cube. The app shows the cube gradually changing, moving from a net into a solid. The viewer can understand where the surfaces, sides, and points connect. [Add colors and symbols for easy understanding] Symbols and colors can be added to the surfaces, sides, and points. Various problems can be created and tested out. Which surface will face surface A? What direction will the surface face when assembling the net? Which net is the correct one for a dice? Etc. [Works with all the nets] All 11 different nets can be used. They can be rotated or flipped horizontally.

Screenshots

Mental Calculation4 screens
Geometry Nets Helper4 screens

Verdict

The call

The clearest difference is rating: Mental Calculation at 3.8 against Geometry Nets Helper's 1.0. Mental Calculation also leads on review sentiment (81% vs 44%) and ratings volume (22 vs 1). On price, 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Mental Calculation holds the better App Store score, 3.8 against 1.0. That said, the two scores are not equally well evidenced: Mental Calculation has 22 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 81% of Mental Calculation's written reviews are positive against 44% of Geometry Nets Helper's.

UpkeepUpdate frequency

Mental Calculation ships an update every 3 months, Geometry Nets Helper every 8 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

Scorecard4 real differences · 6 level
Mental Calculation versus Geometry Nets Helper: the parameters behind the verdict, then further details
ParameterMental CalculationGeometry Nets Helper
PriceFreeFree
Rating3.8 (22 ratings) — better1.0 (1 ratings)
Positive reviews81.3% of reviews — better44.4% of reviews
Number of ratings22 — better1
Update frequencyEvery 3 months — betterEvery 8 months
AdsYesYes
In-app purchasesNoNo
MonetizationAd-supportedAd-supported
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.1 — better13.0
Further details — not scored
Size14 MB50 MB
Age rating4+4+
DeveloperJaime C. CarriedoPlus Inc. (Japan)

Customer experience

Mental Calculation

All ratings22 ratings
Positive63.6%
Neutral18.2%
Negative18.2%
Written reviews16 reviews
Positive81.3%
Neutral6.3%
Negative12.5%

Geometry Nets Helper

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews9 reviews
Positive44.4%
Neutral33.3%
Negative22.2%

In-app purchases

None

Mental Calculation

No in-app purchases

None

Geometry Nets Helper

No in-app purchases

Questions

Is Mental Calculation free?
Mental Calculation is free to download, with no in-app purchases.
Is Geometry Nets Helper free?
Geometry Nets Helper is free to download, with no in-app purchases.
Which has better reviews, Mental Calculation or Geometry Nets Helper?
Mental Calculation is rated higher. Mental Calculation averages 3.8 out of 5 from 22 ratings, while Geometry Nets Helper averages 1.0 from 1 ratings.
Do Mental Calculation or Geometry Nets Helper have ads?
Both Mental Calculation and Geometry Nets Helper show ads.
Which is updated more often, Mental Calculation or Geometry Nets Helper?
Mental Calculation ships an update every 3 months, and Geometry Nets Helper every 8 months. Most recently, Mental Calculation was updated on November 6, 2026 and Geometry Nets Helper on November 3, 2026.

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