# CRYSTAL　公式アプリ vs Lumiena

CRYSTAL　公式アプリ and Lumiena 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.

CRYSTAL　公式アプリ ships an update every 38 months, Lumiena every 62 months. The most recent releases landed on October 10, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | CRYSTAL　公式アプリ | Lumiena |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 38 months** | Every 62 months |
| Size | 15 MB | 15 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SATOKO OGURA](https://appshunter.io/developer/1434555933) | [STELLA CONSULTING, K.K.](https://appshunter.io/developer/1535145524) |

## What reviewers say

### CRYSTAL　公式アプリ

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

**In-app purchases:** none


### Lumiena

[App page](https://appshunter.io/ios/app/lumiena/id1535145522)

**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 Lumiena free?

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

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

Neither CRYSTAL　公式アプリ nor Lumiena shows ads.

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

CRYSTAL　公式アプリ ships an update every 38 months, and Lumiena every 62 months. Most recently, CRYSTAL　公式アプリ was updated on October 10, 2026 and Lumiena on October 22, 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.*