# PLAIO vs 黒歴史検索 for X

The clearest difference is in-app purchases: PLAIO at none against 黒歴史検索 for X's 1. PLAIO also leads on iOS requirement (15.1 vs 17.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 黒歴史検索 for X sells 1 in-app purchase, starting at $2.99 per 7 days. PLAIO asks for nothing beyond the download.

PLAIO ships an update every 3 weeks, 黒歴史検索 for X monthly. The most recent releases landed on October 16, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | PLAIO | 黒歴史検索 for X |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 16.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Ad-supported | — |
| Size | 196 MB | 14 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [株式会社センターモバイル](https://appshunter.io/developer/1554806669) | [IBUKI YOSHIDA](https://appshunter.io/developer/1856209051) |

## What reviewers say

### PLAIO

[App page](https://appshunter.io/ios/app/plaio/id1554806667)

Easily check your monthly charges, data usage, and points in real-time. Utilize your points for mobile bills, track your data, and manage your account details. This app requires a SIM card from Center Mobile.

**Highlights:** Real-time usage and data balance, Point balance and history, Use points for mobile bills, Data usage tracking, Purchase additional data, View account information, APN file download

**Features:** macOS Compatibility

**In-app purchases:** none


### 黒歴史検索 for X

[App page](https://appshunter.io/ios/app/for-x/id6760097574)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアム（週間） | $2.99 | per 7 days |


## Frequently asked questions

### Is PLAIO free?

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

### Is 黒歴史検索 for X free?

黒歴史検索 for X is free to download, with in-app purchases available.

### Do PLAIO or 黒歴史検索 for X have ads?

Both PLAIO and 黒歴史検索 for X show ads.

### Which is updated more often, PLAIO or 黒歴史検索 for X?

PLAIO ships an update every 3 weeks, and 黒歴史検索 for X monthly. Most recently, PLAIO was updated on October 16, 2026 and 黒歴史検索 for X on October 9, 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.*