# ANZAN Endless vs Abacus Simulator

The clearest difference is rating: Abacus Simulator at 4.6 against ANZAN Endless's 4.0. Abacus Simulator also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 4 months). ANZAN Endless's advantage is in-app purchases (none vs 10). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Abacus Simulator sells 10 one-off in-app purchases. ANZAN Endless asks for nothing beyond the download.

Abacus Simulator holds the better App Store score, 4.6 against 4.0. That said, the two scores are not equally well evidenced: Abacus Simulator has 31 ratings behind it against 1, so its average is the more settled of the two.

ANZAN Endless ships an update every 4 months, Abacus Simulator every 3 weeks. The most recent releases landed on September 10, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | ANZAN Endless | Abacus Simulator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/anzan-endless/id1544396774/reviews) | **[4.6 (31 ratings)](https://appshunter.io/ios/app/abacus-simulator/id1558355099/reviews)** |
| Number of ratings | 1 | **31** |
| Positive reviews | — | 72.4% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 3 MB | 41 MB |
| Requires iOS | 13.7 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [sa0001.industry](https://appshunter.io/developer/410512599) | [Nicholas Ang](https://appshunter.io/developer/1558355101) |

## 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 Simulator

[App page](https://appshunter.io/ios/app/abacus-simulator/id1558355099)

Enhance your mental math abilities with interactive abacus exercises. This app offers guided lessons and daily drills to improve calculation speed, focus, and accuracy. Customize your abacus for a fun and engaging learning experience.

**Highlights:** Interactive abacus exercises, Guided step-by-step lessons, Daily skill-sharpening exercises, Focus, speed, and accuracy improvement, Customizable abacus

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cloud Beads | $1.99 | one-time |
| Coconut Beads | $1.99 | one-time |
| Lemon Beads | $1.99 | one-time |
| Mushroom Beads | $1.99 | one-time |
| Penguin Beads | $1.99 | one-time |
| Flower Beads | $1.99 | one-time |
| Orange Beads | $1.99 | one-time |
| Snail Beads | $1.99 | one-time |
| Snowman Beads | $1.99 | one-time |
| Watermelon Beads | $1.99 | one-time |


## Frequently asked questions

### Is ANZAN Endless free?

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

### Is Abacus Simulator free?

Abacus Simulator is free to download, with in-app purchases available.

### Which has better reviews, ANZAN Endless or Abacus Simulator?

Abacus Simulator is rated higher. ANZAN Endless averages 4.0 out of 5 from 1 ratings, while Abacus Simulator averages 4.6 from 31 ratings.

### Do ANZAN Endless or Abacus Simulator have ads?

ANZAN Endless shows ads; Abacus Simulator does not.

### Which is updated more often, ANZAN Endless or Abacus Simulator?

ANZAN Endless ships an update every 4 months, and Abacus Simulator every 3 weeks. Most recently, ANZAN Endless was updated on September 10, 2026 and Abacus Simulator on September 21, 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.*