# eyeknow vs ICHIBAN（イチバン）　先生と学ぶ日本文化コミュニティ

The clearest difference is in-app purchases: eyeknow at none against ICHIBAN（イチバン）　先生と学ぶ日本文化コミュニティ's 1. eyeknow also leads on update cadence (every 2 months vs every 9 months) and device support. On price there is nothing between them.

Both are free to download. ICHIBAN（イチバン）　先生と学ぶ日本文化コミュニティ sells 1 in-app purchase, starting at $6.99 per month. eyeknow asks for nothing beyond the download.

eyeknow ships an update every 2 months, ICHIBAN（イチバン）　先生と学ぶ日本文化コミュニティ every 9 months. The most recent releases landed on September 7, 2026 and May 18, 2026 respectively.

## The numbers

| Metric | eyeknow | ICHIBAN（イチバン）　先生と学ぶ日本文化コミュニティ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | — |
| Update frequency | **Every 2 months** | Every 9 months |
| Size | 19 MB | 49 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | **iPhone, iPod** | — |
| Age rating | 17+ | 17+ |
| Developer | [TCOM TECHNOLOGY AND COMMUNICATION JOINT STOCK COMPANY](https://appshunter.io/developer/1245632014) | [7BASE INC.](https://appshunter.io/developer/1764892576) |

## What reviewers say

### eyeknow

[App page](https://appshunter.io/ios/app/eyeknow/id1661959953)

**Features:** macOS Compatibility

**In-app purchases:** none


### ICHIBAN（イチバン）　先生と学ぶ日本文化コミュニティ

[App page](https://appshunter.io/ios/app/ichiban/id6667107178)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 有料会員プラン | $6.99 | per month |


## Frequently asked questions

### Is eyeknow free?

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

### Is ICHIBAN（イチバン）　先生と学ぶ日本文化コミュニティ free?

ICHIBAN（イチバン）　先生と学ぶ日本文化コミュニティ is free to download, with in-app purchases available.

### Which is updated more often, eyeknow or ICHIBAN（イチバン）　先生と学ぶ日本文化コミュニティ?

eyeknow ships an update every 2 months, and ICHIBAN（イチバン）　先生と学ぶ日本文化コミュニティ every 9 months. Most recently, eyeknow was updated on September 7, 2026 and ICHIBAN（イチバン）　先生と学ぶ日本文化コミュニティ on May 18, 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.*