# 黑白短信 vs 小特光伏

The clearest difference is price: 小特光伏 at Free against 黑白短信's $0.99. 黑白短信's advantage is device support. On in-app purchases and iOS requirement there is nothing between them.

小特光伏 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 | 小特光伏 |
| --- | --- | --- |
| 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 | — |
| Update frequency | Monthly | — |
| Monetization | Paid | — |
| Size | 14 MB | 61 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | **iPhone, iPod** | — |
| Age rating | 4+ | 17+ |
| Developer | [磊 岑](https://appshunter.io/developer/1102462338) | [特变电工西安电气科技有限公司](https://appshunter.io/developer/1189734105) |

## 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


### 小特光伏

[App page](https://appshunter.io/ios/app/id6475700565)

**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 小特光伏 free?

小特光伏 is free to download, with no in-app purchases.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*