# CRYSTAL　公式アプリ vs RAVINAIL

The clearest difference is iOS requirement: RAVINAIL at 9.0 against CRYSTAL　公式アプリ's 12.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

CRYSTAL　公式アプリ ships an update every 38 months, RAVINAIL every 28 months. Both last shipped on October 26, 2026.

## The numbers

| Metric | CRYSTAL　公式アプリ | RAVINAIL |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 38 months | **Every 28 months** |
| Size | 15 MB | 21 MB |
| Requires iOS | 12.0 | **9.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SATOKO OGURA](https://appshunter.io/developer/1434555933) | [SAYAKA SUEHIRO](https://appshunter.io/developer/1467721518) |

## What reviewers say

### CRYSTAL　公式アプリ

[App page](https://appshunter.io/ios/app/crystal/id1434555934)

**In-app purchases:** none


### RAVINAIL

[App page](https://appshunter.io/ios/app/ravinail/id1467721519)

**In-app purchases:** none


## Frequently asked questions

### Is CRYSTAL　公式アプリ free?

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

### Is RAVINAIL free?

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

### Do CRYSTAL　公式アプリ or RAVINAIL have ads?

Neither CRYSTAL　公式アプリ nor RAVINAIL shows ads.

### Which is updated more often, CRYSTAL　公式アプリ or RAVINAIL?

CRYSTAL　公式アプリ ships an update every 38 months, and RAVINAIL every 28 months. Most recently, CRYSTAL　公式アプリ was updated on October 26, 2026 and RAVINAIL on October 26, 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.*