# ANZAN Endless vs Abacus Mental Math Training

The clearest difference is in-app purchases: ANZAN Endless at none against Abacus Mental Math Training's 1. Abacus Mental Math Training's advantage is update cadence (monthly vs every 4 months) and ratings volume (30 vs 1). On price, rating, ads and device support there is nothing between them.

Both are free to download. Abacus Mental Math Training sells 1 one-off in-app purchase. ANZAN Endless asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.0 for ANZAN Endless against 4.1 for Abacus Mental Math Training. That said, the two scores are not equally well evidenced: Abacus Mental Math Training has 30 ratings behind it against 1, so its average is the more settled of the two.

ANZAN Endless ships an update every 4 months, Abacus Mental Math Training monthly. The most recent releases landed on September 10, 2026 and August 22, 2026 respectively.

## The numbers

| Metric | ANZAN Endless | Abacus Mental Math Training |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/anzan-endless/id1544396774/reviews) | **[4.1 (30 ratings)](https://appshunter.io/ios/app/abacus-mental-math-training/id6449295111/reviews)** |
| Number of ratings | 1 | **30** |
| Positive reviews | — | 20.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 4 months | **Monthly** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 3 MB | 34 MB |
| Requires iOS | 13.7 | **10.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [sa0001.industry](https://appshunter.io/developer/410512599) | [Peikun Duan](https://appshunter.io/developer/1240254007) |

## What reviewers say

### ANZAN Endless

[App page](https://appshunter.io/ios/app/anzan-endless/id1544396774)

Enhance your mental math skills with daily challenges that adapt to your level. Improve speed and accuracy through consistent practice. This app helps you naturally progress in flash mental arithmetic.

**Highlights:** Adaptive difficulty adjustment, Daily practice challenges, Progressive leveling system, Flash mental arithmetic training, Speed and digit count customization

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

**In-app purchases:** none


### 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 ANZAN Endless free?

ANZAN Endless is free to download, with no in-app purchases.

### Is Abacus Mental Math Training free?

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

### Which has better reviews, ANZAN Endless or Abacus Mental Math Training?

Abacus Mental Math Training is rated higher. ANZAN Endless averages 4.0 out of 5 from 1 ratings, while Abacus Mental Math Training averages 4.1 from 30 ratings.

### Do ANZAN Endless or Abacus Mental Math Training have ads?

Both ANZAN Endless and Abacus Mental Math Training show ads.

### Which is updated more often, ANZAN Endless or Abacus Mental Math Training?

ANZAN Endless ships an update every 4 months, and Abacus Mental Math Training monthly. Most recently, ANZAN Endless was updated on September 10, 2026 and Abacus Mental Math Training on August 22, 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.*