# EIGHT 公式アプリ vs B

EIGHT 公式アプリ and B are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

EIGHT 公式アプリ ships an update every 26 months, B every 44 months. The most recent releases landed on October 2, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | EIGHT 公式アプリ | B |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 26 months** | Every 44 months |
| Size | 12 MB | 12 MB |
| Requires iOS | 16.6 | 16.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [RIKO, LIMITED LIABILITY CO.](https://appshunter.io/developer/1571078360) | [REVO CORPORATION](https://appshunter.io/developer/1606661107) |

## What reviewers say

### EIGHT 公式アプリ

[App page](https://appshunter.io/ios/app/eight/id1571078358)

**Features:** macOS Compatibility

**In-app purchases:** none


### B

[App page](https://appshunter.io/ios/app/b-zone/id1606660775)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is EIGHT 公式アプリ free?

EIGHT 公式アプリ is free to download, with no in-app purchases.

### Is B free?

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

### Do EIGHT 公式アプリ or B have ads?

Neither EIGHT 公式アプリ nor B shows ads.

### Which is updated more often, EIGHT 公式アプリ or B?

EIGHT 公式アプリ ships an update every 26 months, and B every 44 months. Most recently, EIGHT 公式アプリ was updated on October 2, 2026 and B on September 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.*