# Calculation Sheet vs Abacus Kids

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.

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.

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.

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.

## The numbers

| Metric | Calculation Sheet | Abacus Kids |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (2 ratings)](https://appshunter.io/ios/app/calculation-sheet-experiment/id1010610865/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/abacus-kids-mental-math/id6749298785/reviews)** |
| Number of ratings | 2 | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 6 months | **Every 10 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 26 MB | 57 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [APP Technology Co. Ltd.](https://appshunter.io/developer/524936444) | [Vedaavi Learning](https://appshunter.io/developer/1829903467) |

## What reviewers say

### Calculation Sheet

[App page](https://appshunter.io/ios/app/calculation-sheet-experiment/id1010610865)

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:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Calculation Sheet (No Ads) | $0.99 | one-time |


### Abacus Kids

[App page](https://appshunter.io/ios/app/abacus-kids-mental-math/id6749298785)

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:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $0.99 | per 7 days |
| Monthly Subscription | $2.99 | per month |
| Yearly Subscription Discount | $12.00 | per year |
| Yearly Subscription | $17.99 | per year |
| Lifetime Access Discount | $29.99 | one-time |
| Lifetime Access | $49.99 | one-time |


## Frequently asked 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.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*