# あいうえらび vs Abacus Slash

The clearest difference is rating: Abacus Slash at 5.0 against あいうえらび's 4.5. Abacus Slash also leads on update cadence (every 2 days vs every 7 months). あいうえらび's advantage is iOS requirement (15.0 vs 17.4). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. あいうえらび sells 1 one-off in-app purchase and Abacus Slash sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Abacus Slash holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

あいうえらび ships an update every 7 months, Abacus Slash every 2 days. The most recent releases landed on November 1, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | あいうえらび | Abacus Slash |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (2 ratings)](https://appshunter.io/ios/app/id688164782/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/abacus-slash/id6770142318/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 7 months | **Every 2 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 149 MB | 13 MB |
| Requires iOS | **15.0** | 17.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [RedinC Co.,Ltd.](https://appshunter.io/developer/877487111) | [POPPO STUDIO](https://appshunter.io/developer/304529440) |

## What reviewers say

### あいうえらび

[App page](https://appshunter.io/ios/app/id688164782)

Learn Japanese hiragana and katakana with beloved characters. This educational game offers interactive modes to master the alphabet through tapping, listening, and collecting rewards. Perfect for early learners.

**Highlights:** Learn hiragana and katakana, Interactive alphabet games, Collect reward illustrations, Adjustable difficulty settings, Auditory and visual learning, Includes an alphabet chart

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告非表示 | $2.99 | one-time |


### Abacus Slash

[App page](https://appshunter.io/ios/app/abacus-slash/id6770142318)

A fast-paced game where you quickly input numbers on a virtual abacus to match on-screen prompts before your health depletes. Progress through 30 stages and 10 chapters, improving your mental math speed and abacus skills.

**Highlights:** Lightning-fast abacus calculation, 30 stages with increasing difficulty, Chapter-based story progression, Best time and star ratings, Multiple player profiles, Practice stages for basics

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Stages & Remove Ads | $3.99 | one-time |


## Frequently asked questions

### Is あいうえらび free?

あいうえらび is free to download, with in-app purchases available.

### Is Abacus Slash free?

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

### Which has better reviews, あいうえらび or Abacus Slash?

Abacus Slash is rated higher. あいうえらび averages 4.5 out of 5 from 2 ratings, while Abacus Slash averages 5.0 from 1 ratings.

### Do あいうえらび or Abacus Slash have ads?

Both あいうえらび and Abacus Slash show ads.

### Which is updated more often, あいうえらび or Abacus Slash?

あいうえらび ships an update every 7 months, and Abacus Slash every 2 days. Most recently, あいうえらび was updated on November 1, 2026 and Abacus Slash on October 25, 2026.

---

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