# 黑白短信 vs Simple Secret Folder

The clearest difference is price: Simple Secret Folder at Free against 黑白短信's $0.99. 黑白短信's advantage is ads (none vs shown) and iOS requirement (11.0 vs 14.0). On in-app purchases and device support there is nothing between them.

Simple Secret Folder is free to download; 黑白短信 costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | 黑白短信 | Simple Secret Folder |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[5.0 (12 ratings)](https://appshunter.io/ios/app/id1444392450/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | 91.3% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Monthly | — |
| Monetization | Paid | — |
| Size | 14 MB | 42 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [磊 岑](https://appshunter.io/developer/1102462338) | [SATO TOMOMITUS](https://appshunter.io/developer/1615336235) |

## What reviewers say

### 黑白短信

[App page](https://appshunter.io/ios/app/id1444392450)

This app intelligently filters and blocks unwanted messages, including spam, scams, and ads. It offers customizable rules and a powerful machine learning model for high recognition accuracy. Enjoy a clean, ad-free experience with offline blocking for enhanced privacy and security.

**Highlights:** Intelligent spam, scam, and ad blocking, Customizable keyword blacklists and whitelists, Offline message filtering, Machine learning model for recognition, Simple, no-configuration setup, Privacy-focused with no internet required

**Features:** Vision Pro support

**In-app purchases:** none


### Simple Secret Folder

[App page](https://appshunter.io/ios/app/simple-secret-folder/id6796539505)

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

**In-app purchases:** none


## Frequently asked questions

### Is 黑白短信 free?

黑白短信 costs $0.99, with no in-app purchases.

### Is Simple Secret Folder free?

Simple Secret Folder is free to download, with no in-app purchases.

### Do 黑白短信 or Simple Secret Folder have ads?

Simple Secret Folder shows ads; 黑白短信 does not.

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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.*