# Calculator & abacus training vs Abacus Mental Math Training

The clearest difference is review sentiment: Calculator & abacus training at 86% against Abacus Mental Math Training's 20%. Abacus Mental Math Training's advantage is rating (4.2 vs 1.0) and ratings volume (32 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Calculator & abacus training sells 1 one-off in-app purchase and Abacus Mental Math Training sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Abacus Mental Math Training holds the better App Store score, 4.2 against 1.0. That said, the two scores are not equally well evidenced: Abacus Mental Math Training has 32 ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 86% of Calculator & abacus training's written reviews are positive against 20% of Abacus Mental Math Training's, so the app with the better star average is not the one people write more warmly about.

Calculator & abacus training ships an update every 2 months, Abacus Mental Math Training monthly. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Calculator & abacus training | Abacus Mental Math Training |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/calculator-and-abacus-training/id1092519812/reviews) | **[4.2 (32 ratings)](https://appshunter.io/ios/app/abacus-mental-math-training/id6449295111/reviews)** |
| Number of ratings | 1 | **32** |
| Positive reviews | **85.7% of reviews** | 20.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 20 MB | 34 MB |
| Requires iOS | 12.0 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [kenji kiuchi](https://appshunter.io/developer/553473005) | [Peikun Duan](https://appshunter.io/developer/1240254007) |

## What reviewers say

### Calculator & abacus training

[App page](https://appshunter.io/ios/app/calculator-and-abacus-training/id1092519812)

Enhance your math skills with calculation drills for abacus and calculator. Customize training sessions for addition, subtraction, multiplication, and division, with advanced options available after purchase. Challenge yourself in a mode where problems increase in difficulty.

**Highlights:** Abacus and calculator training, Customizable training modes, Addition, subtraction, multiplication, division, Progress tracking, Challenge mode with increasing difficulty, Up to 5-digit calculations

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ad & All function release | $9.99 | one-time |


### Abacus Mental Math Training

[App page](https://appshunter.io/ios/app/abacus-mental-math-training/id6449295111)

This app offers professional training and assessment for abacus mental calculation and flash calculation, adhering to international grading standards. It features challenge and custom modes to help users improve their math and speed calculation skills.

**Highlights:** Adheres to World Abacus Mental Calculation Federation standards, Challenge Mode with 10 levels and 200 stages, Custom Mode for Flash Calculation and Abacus practice, Adjustable calculation parameters (number range, digits, time), Gradual difficulty progression, Simulates exam conditions

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.59 | one-time |


## Frequently asked questions

### Is Calculator & abacus training free?

Calculator & abacus training is free to download, with in-app purchases available.

### Is Abacus Mental Math Training free?

Abacus Mental Math Training is free to download, with in-app purchases available.

### Which has better reviews, Calculator & abacus training or Abacus Mental Math Training?

Abacus Mental Math Training is rated higher. Calculator & abacus training averages 1.0 out of 5 from 1 ratings, while Abacus Mental Math Training averages 4.2 from 32 ratings.

### Do Calculator & abacus training or Abacus Mental Math Training have ads?

Both Calculator & abacus training and Abacus Mental Math Training show ads.

### Which is updated more often, Calculator & abacus training or Abacus Mental Math Training?

Calculator & abacus training ships an update every 2 months, and Abacus Mental Math Training monthly. Most recently, Calculator & abacus training was updated on November 2, 2026 and Abacus Mental Math Training on November 3, 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.*