# ROBERTS vs EIGHT 公式アプリ

The clearest difference is update cadence: ROBERTS at every 6 months against EIGHT 公式アプリ's every 26 months. ROBERTS also leads on iOS requirement (8.0 vs 16.6). On price, ads, in-app purchases and device support there is nothing between them.

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

ROBERTS ships an update every 6 months, EIGHT 公式アプリ every 26 months. The most recent releases landed on September 26, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | ROBERTS | EIGHT 公式アプリ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 26 months |
| Size | 3 MB | 12 MB |
| Requires iOS | **8.0** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [koutaro ikeno](https://appshunter.io/developer/1501621139) | [RIKO, LIMITED LIABILITY CO.](https://appshunter.io/developer/1571078360) |

## What reviewers say

### ROBERTS

[App page](https://appshunter.io/ios/app/roberts/id1501621140)

**Features:** macOS Compatibility

**In-app purchases:** none


### EIGHT 公式アプリ

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ROBERTS free?

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

### Is EIGHT 公式アプリ free?

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

### Do ROBERTS or EIGHT 公式アプリ have ads?

Neither ROBERTS nor EIGHT 公式アプリ shows ads.

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

ROBERTS ships an update every 6 months, and EIGHT 公式アプリ every 26 months. Most recently, ROBERTS was updated on September 26, 2026 and EIGHT 公式アプリ on October 19, 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.*