# Secret Folder vs Black Audio Tool

The clearest difference is review sentiment: Black Audio Tool at 100% against Secret Folder's 66%. Black Audio Tool also leads on rating (5.0 vs 4.5). Secret Folder's advantage is update cadence (weekly vs every 24 months) and ratings volume (74 vs 7). On ads, in-app purchases and device support there is nothing between them.

Secret Folder costs $0.99 and Black Audio Tool $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Black Audio Tool holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Secret Folder has 74 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 66% of Secret Folder's written reviews are positive against 100% of Black Audio Tool's.

Secret Folder ships an update weekly, Black Audio Tool every 24 months. The most recent releases landed on November 1, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Secret Folder | Black Audio Tool |
| --- | --- | --- |
| Price | **$0.99** | $1.99 |
| Rating | [4.5 (74 ratings)](https://appshunter.io/ios/app/secret-folder-password-lock/id931283506/reviews) | **[5.0 (7 ratings)](https://appshunter.io/ios/app/black-audio-tool-bat/id6476655926/reviews)** |
| Number of ratings | **74** | 7 |
| Positive reviews | 65.6% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 24 months |
| Monetization | **Free** | Paid |
| Size | 24 MB | 1 MB |
| Requires iOS | **10.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tung Nguyen](https://appshunter.io/developer/879841126) | [Philippe Zay](https://appshunter.io/developer/1200498230) |

## What reviewers say

### Secret Folder

[App page](https://appshunter.io/ios/app/secret-folder-password-lock/id931283506)

Securely hide your personal photos and videos behind a password-protected folder. Import content, take private media directly within the app, and manage it all with organized albums. Additional features include a decoy password, export options, secret notes, and an app disguise.

**Highlights:** Password protection, Hide photos and videos, Import from camera roll, Private camera/video capture, Album management, Decoy password, Secret notes

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

**In-app purchases:** none


### Black Audio Tool

[App page](https://appshunter.io/ios/app/black-audio-tool-bat/id6476655926)

This app is a versatile sound generation tool for exploring audio. It allows users to create and control a wide range of sounds, from classic waveforms to various noise colors, with built-in effects for further shaping. Designed for audiophiles, sound designers, and musicians, it offers precise real-time control for creative experimentation.

**Highlights:** Precise waveform generation, Multiple noise colors, Built-in reverb and distortion, Real-time parameter control, Infra sonic and ultra sonic modes, Audio recording to file

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

**In-app purchases:** none


## Frequently asked questions

### Is Secret Folder free?

Secret Folder costs $0.99, with no in-app purchases.

### Is Black Audio Tool free?

Black Audio Tool costs $1.99, with no in-app purchases.

### Which has better reviews, Secret Folder or Black Audio Tool?

Black Audio Tool is rated higher. Secret Folder averages 4.5 out of 5 from 74 ratings, while Black Audio Tool averages 5.0 from 7 ratings.

### Do Secret Folder or Black Audio Tool have ads?

Neither Secret Folder nor Black Audio Tool shows ads.

### Which is updated more often, Secret Folder or Black Audio Tool?

Secret Folder ships an update weekly, and Black Audio Tool every 24 months. Most recently, Secret Folder was updated on November 1, 2026 and Black Audio Tool on November 4, 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.*