# Files Protection vs Plain｜騒音を検知して環境音を自動再生

The clearest difference is in-app purchases: Plain｜騒音を検知して環境音を自動再生 at none against Files Protection's 1. Plain｜騒音を検知して環境音を自動再生 also leads on ads (none vs shown). Files Protection's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 26.2). On price and update cadence there is nothing between them.

Both are free to download. Files Protection sells 1 one-off in-app purchase. Plain｜騒音を検知して環境音を自動再生 asks for nothing beyond the download.

Files Protection ships an update fortnightly, Plain｜騒音を検知して環境音を自動再生 weekly. The most recent releases landed on October 22, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Files Protection | Plain｜騒音を検知して環境音を自動再生 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (602 ratings)](https://appshunter.io/ios/app/files-protection/id1390264165/reviews)** | — |
| Number of ratings | **602** | — |
| Positive reviews | 58.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 77 MB | 12 MB |
| Requires iOS | **13.0** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Binh Tran](https://appshunter.io/developer/1386007300) | [KIICHI STUDIO](https://appshunter.io/developer/1855811809) |

## What reviewers say

### Files Protection

[App page](https://appshunter.io/ios/app/files-protection/id1390264165)

Securely manage, view, and download files on your iPhone or iPad. Protect your sensitive documents, photos, and videos with a passcode and enjoy a powerful media player and document viewer.

**Highlights:** Secure file management with passcode, Document viewer for various formats, Powerful media player, File downloader with web browser, Dark mode support, File sharing via AirDrop

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Advertisments | $1.99 | one-time |

**What reviewers like**

- 🔒 Strong privacy and security features
- 👍 Easy to use interface
- 💾 Effective file storage and organization
- 🎯 Good for hiding sensitive photos and videos
- 🔄 Regular app updates

**What reviewers complain about**

- 🐛 Frequent app crashes after updates
- ⚠️ Data loss after app deletion or reinstallation
- 🔐 No password recovery mechanism
- 🚫 Video loading failures
- ⚡ Slow performance and loading times

**Reported bugs**

- App crashes 7 seconds after launch
- Passcode authentication not working after updates
- App force closes unexpectedly
- Files disappear from app despite existing in device storage
- Video import from library not functioning

**Requested features**

- Backup and restore functionality
- Password recovery option
- Touch ID/Biometric authentication support
- Dark mode
- GIF file support


### Plain｜騒音を検知して環境音を自動再生

[App page](https://appshunter.io/ios/app/plain/id6761727598)

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

**In-app purchases:** none


## Frequently asked questions

### Is Files Protection free?

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

### Is Plain｜騒音を検知して環境音を自動再生 free?

Plain｜騒音を検知して環境音を自動再生 is free to download, with no in-app purchases.

### Do Files Protection or Plain｜騒音を検知して環境音を自動再生 have ads?

Files Protection shows ads; Plain｜騒音を検知して環境音を自動再生 does not.

### Which is updated more often, Files Protection or Plain｜騒音を検知して環境音を自動再生?

Files Protection ships an update fortnightly, and Plain｜騒音を検知して環境音を自動再生 weekly. Most recently, Files Protection was updated on October 22, 2026 and Plain｜騒音を検知して環境音を自動再生 on October 14, 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.*