# Saikyo公式アプリ vs OOONAIL

Saikyo公式アプリ and OOONAIL 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.

Saikyo公式アプリ ships an update every 43 months, OOONAIL every 39 months. The most recent releases landed on October 10, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Saikyo公式アプリ | OOONAIL |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 43 months | **Every 39 months** |
| Size | 16 MB | 16 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [KYOKO SAITO](https://appshunter.io/developer/1460653728) | [KAE KATSUTA](https://appshunter.io/developer/1490961642) |

## What reviewers say

### Saikyo公式アプリ

[App page](https://appshunter.io/ios/app/saikyo/id1460653729)

**In-app purchases:** none


### OOONAIL

[App page](https://appshunter.io/ios/app/ooonail/id1490961643)

**In-app purchases:** none


## Frequently asked questions

### Is Saikyo公式アプリ free?

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

### Is OOONAIL free?

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

### Do Saikyo公式アプリ or OOONAIL have ads?

Neither Saikyo公式アプリ nor OOONAIL shows ads.

### Which is updated more often, Saikyo公式アプリ or OOONAIL?

Saikyo公式アプリ ships an update every 43 months, and OOONAIL every 39 months. Most recently, Saikyo公式アプリ was updated on October 10, 2026 and OOONAIL on October 3, 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.*