# 柏木由紀 OFFICIAL APP vs Formula E

The clearest difference is update cadence: Formula E at weekly against 柏木由紀 OFFICIAL APP's every 5 weeks. 柏木由紀 OFFICIAL APP's advantage is iOS requirement (13.0 vs 16.0). 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.

柏木由紀 OFFICIAL APP ships an update every 5 weeks, Formula E weekly. The most recent releases landed on September 30, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | 柏木由紀 OFFICIAL APP | Formula E |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Weekly** |
| Monetization | Subscription | — |
| Size | 110 MB | 107 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [Anyland inc.](https://appshunter.io/developer/1542446414) | [eplus inc.](https://appshunter.io/developer/465887676) |

## What reviewers say

### 柏木由紀 OFFICIAL APP

[App page](https://appshunter.io/ios/app/official-app/id6498149481)

Access exclusive live streams, member-only posts, and chat with your favorite artist. Enjoy interactive content and stay connected with the artist's community through this entertainment service.

**Highlights:** Exclusive live streams, Member-only posts, Interactive chat rooms, Fan community engagement, Artist content access

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

**In-app purchases:** none


### Formula E

[App page](https://appshunter.io/ios/app/formula-e-prix/id6782854587)

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

**In-app purchases:** none


## Frequently asked questions

### Is 柏木由紀 OFFICIAL APP free?

柏木由紀 OFFICIAL APP is free to download, with no in-app purchases.

### Is Formula E free?

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

### Do 柏木由紀 OFFICIAL APP or Formula E have ads?

Neither 柏木由紀 OFFICIAL APP nor Formula E shows ads.

### Which is updated more often, 柏木由紀 OFFICIAL APP or Formula E?

柏木由紀 OFFICIAL APP ships an update every 5 weeks, and Formula E weekly. Most recently, 柏木由紀 OFFICIAL APP was updated on September 30, 2026 and Formula E on September 17, 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.*