# Corodomo vs ことば水族館

The clearest difference is update cadence: ことば水族館 at every 3 days against Corodomo's weekly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Corodomo sells 3 in-app purchases, starting at $6.99 per month and ことば水族館 sells 10 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Corodomo ships an update weekly, ことば水族館 every 3 days. The most recent releases landed on November 6, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Corodomo | ことば水族館 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (18 ratings)](https://appshunter.io/ios/app/corodomo-learn-languages/id6753700648/reviews)** | — |
| Number of ratings | **18** | — |
| Positive reviews | 87.9% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 60 MB | 54 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tran Viet](https://appshunter.io/developer/1844517915) | [Kosuke Mawatari](https://appshunter.io/developer/1489564137) |

## What reviewers say

### Corodomo

[App page](https://appshunter.io/ios/app/corodomo-learn-languages/id6753700648)

Transform videos into interactive language learning experiences. Practice listening, vocabulary, and pronunciation with AI-powered feedback. Prepare for real-world conversations and interviews in multiple languages.

**Highlights:** Bilingual subtitles, AI speaking practice, Shadowing exercises, Dictation practice, Contextual word lookup, Pronunciation feedback

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gói tháng | $6.99 | per month |
| Gói tháng | $55.00 | per year |
| Vĩnh viễn | $109.00 | one-time |


### ことば水族館

[App page](https://appshunter.io/ios/app/id6802506366)

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| すべてのドリル集 遊び放題(月額) | $1.99 | per month |
| すべてのドリル集 遊び放題(年額) | $19.99 | per year |
| まねっこ② ぜんぶあそぶ | $0.99 | one-time |
| さんもじのことば① ぜんぶあそぶ | $0.99 | one-time |
| まねっこ① ぜんぶあそぶ | $0.99 | one-time |
| にもじのことば① ぜんぶあそぶ | $0.99 | one-time |
| かず① ぜんぶあそぶ | $0.99 | one-time |
| かず② ぜんぶあそぶ | $0.99 | one-time |
| かず③ ぜんぶあそぶ | $0.99 | one-time |
| かず④ ぜんぶあそぶ | $0.99 | one-time |


## Frequently asked questions

### Is Corodomo free?

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

### Is ことば水族館 free?

ことば水族館 is free to download, with in-app purchases available.

### Do Corodomo or ことば水族館 have ads?

Neither Corodomo nor ことば水族館 shows ads.

### Which is updated more often, Corodomo or ことば水族館?

Corodomo ships an update weekly, and ことば水族館 every 3 days. Most recently, Corodomo was updated on November 6, 2026 and ことば水族館 on October 31, 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.*