# Sūji vs Count Biki

The clearest difference is rating: Sūji at 5.0 against Count Biki's 4.3. Sūji also leads on in-app purchases (none vs 3) and device support (6 vs 1). Count Biki's advantage is update cadence (fortnightly vs every 4 months) and ratings volume (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Count Biki sells 3 one-off in-app purchases. Sūji asks for nothing beyond the download.

Sūji holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

Sūji ships an update every 4 months, Count Biki fortnightly. The most recent releases landed on October 15, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Sūji | Count Biki |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/suji/id1598173381/reviews)** | [4.3 (3 ratings)](https://appshunter.io/ios/app/count-biki/id6463796779/reviews) |
| Number of ratings | 1 | **3** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Fortnightly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 4 MB | 29 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad, Mac, Apple TV, Apple Watch, Vision Pro** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ale Mohamad](https://appshunter.io/developer/569018219) | [TwoCentStudios](https://appshunter.io/developer/325347285) |

## What reviewers say

### Sūji

[App page](https://appshunter.io/ios/app/suji/id1598173381)

Learn Japanese numbers with this app. It translates numbers into Kanji, Hiragana, or Romaji, and provides audio pronunciation. You can also generate random numbers to explore new combinations.

**Highlights:** Number translation to Kanji, Hiragana, Romaji, Audio pronunciation of numbers, Random number generation, Supports multiple writing systems, Practice writing and speaking

**Features:** Apple Watch app

**In-app purchases:** none


### Count Biki

[App page](https://appshunter.io/ios/app/count-biki/id6463796779)

Learn and practice Japanese numbers with interactive quizzes. Features adjustable difficulty, multiple voices, and detailed session summaries. Ideal for all levels of Japanese language learners.

**Highlights:** Japanese number mastery, Customizable quiz modes, Variable voice settings, Session summaries, Multiple listening topics, In-app purchases for premium features

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $0.99 | one-time |
| Medium Tip | $4.99 | one-time |
| Large Tip | $19.99 | one-time |


## Frequently asked questions

### Is Sūji free?

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

### Is Count Biki free?

Count Biki is free to download, with in-app purchases available.

### Which has better reviews, Sūji or Count Biki?

Sūji is rated higher. Sūji averages 5.0 out of 5 from 1 ratings, while Count Biki averages 4.3 from 3 ratings.

### Do Sūji or Count Biki have ads?

Neither Sūji nor Count Biki shows ads.

### Which is updated more often, Sūji or Count Biki?

Sūji ships an update every 4 months, and Count Biki fortnightly. Most recently, Sūji was updated on October 15, 2026 and Count Biki on October 23, 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.*