# RAVON vs DDRハイスピ計算機

The clearest difference is in-app purchases: DDRハイスピ計算機 at none against RAVON's 17. RAVON's advantage is device support. On price and iOS requirement there is nothing between them.

Both are free to download. RAVON sells 17 one-off in-app purchases. DDRハイスピ計算機 asks for nothing beyond the download.

## The numbers

| Metric | RAVON | DDRハイスピ計算機 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (84 ratings)](https://appshunter.io/ios/app/ravon/id1447257819/reviews)** | — |
| Number of ratings | **84** | — |
| Positive reviews | 67.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | — |
| Update frequency | Every 2 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 733 MB | 13 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 17+ |
| Developer | [Jonathan Lam](https://appshunter.io/developer/1447257818) | [Koichi Umekawa](https://appshunter.io/developer/1680447783) |

## What reviewers say

### RAVON

[App page](https://appshunter.io/ios/app/ravon/id1447257819)

Immerse yourself in a cosmic rhythm game experience with futuristic beats and interactive visuals. Challenge your skills across a wide range of difficulties and unlock new in-game content through missions. Enjoy a collection of soundtracks from talented artists worldwide.

**Highlights:** High-quality audio with interactive visuals, Multiple difficulty levels, Mission-based content unlocking, Global soundtrack collection, Futuristic space theme

**Features:** macOS Compatibility

**In-app purchases (17)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Q. Chip | $0.99 | one-time |
| Dynamix UV Pack 2 | $3.99 | one-time |
| K@keru Records Pack 1 | $3.99 | one-time |
| Lyrica Pack | $3.99 | one-time |
| Dynamix Pack 1 | $3.99 | one-time |
| Dynamix Pack 2 | $3.99 | one-time |
| K@keru Records Pack 2 | $3.99 | one-time |
| 5 Q. Chips | $4.99 | one-time |
| VI Virgo | $4.99 | one-time |
| III Gemini | $4.99 | one-time |
| I Aries | $4.99 | one-time |
| II Taurus | $4.99 | one-time |
| IV Cancer | $4.99 | one-time |
| V Leo | $4.99 | one-time |
| Cytus II Pack | $4.99 | one-time |
| 10+1 Q. Chips | $9.99 | one-time |
| Zodiac I | $11.99 | one-time |


### DDRハイスピ計算機

[App page](https://appshunter.io/ios/app/ddr/id6447161158)

**In-app purchases:** none


## Frequently asked questions

### Is RAVON free?

RAVON is free to download, with in-app purchases available.

### Is DDRハイスピ計算機 free?

DDRハイスピ計算機 is free to download, with no in-app purchases.

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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.*