# Sūji vs Numbiro

The clearest difference is rating: Sūji at 5.0 against Numbiro's 4.4. Sūji also leads on in-app purchases (none vs 2) and ads (none vs shown). Numbiro's advantage is ratings volume (7 vs 1) and iOS requirement (13.0 vs 17.0). On price and update cadence there is nothing between them.

Both are free to download. Numbiro sells 2 in-app purchases, starting at $0.49 per month. Sūji asks for nothing beyond the download.

Sūji holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Numbiro has 7 ratings behind it against 1, so its average is the more settled of the two.

Sūji ships an update every 4 months, Numbiro every 2 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | Sūji | Numbiro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/suji/id1598173381/reviews)** | [4.4 (7 ratings)](https://appshunter.io/ios/app/numbiro/id1610373472/reviews) |
| Number of ratings | 1 | **7** |
| Positive reviews | — | 75.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | **Free** | Ad-supported |
| Size | 4 MB | 68 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | **iPhone, iPad, Mac, Apple TV, Apple Watch, Vision Pro** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ale Mohamad](https://appshunter.io/developer/569018219) | [Sulisoft Limited](https://appshunter.io/developer/1610373474) |

## 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


### Numbiro

[App page](https://appshunter.io/ios/app/numbiro/id1610373472)

Practice recognizing spoken Japanese numbers to improve comprehension in everyday conversations. Choose number ranges from single digits to billions and practice Japanese counters. Compete against the clock to get as many correct as possible.

**Highlights:** Listen to spoken Japanese numbers, Identify numbers by listening, Select number ranges, Practice Japanese counters, Timed challenges

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $0.49 | per month |
| Premium Lifetime | $3.99 | one-time |


## Frequently asked questions

### Is Sūji free?

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

### Is Numbiro free?

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

### Which has better reviews, Sūji or Numbiro?

Sūji is rated higher. Sūji averages 5.0 out of 5 from 1 ratings, while Numbiro averages 4.4 from 7 ratings.

### Do Sūji or Numbiro have ads?

Numbiro shows ads; Sūji does not.

### Which is updated more often, Sūji or Numbiro?

Sūji ships an update every 4 months, and Numbiro every 2 months. Most recently, Sūji was updated on November 3, 2026 and Numbiro 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.*