# 垃圾信息过滤 vs Quiet

The clearest difference is price: 垃圾信息过滤 at Free against Quiet's $3.99. 垃圾信息过滤 also leads on iOS requirement (13.0 vs 17.0). Quiet's advantage is update cadence (every 3 days vs every 6 months). On ads, in-app purchases and device support there is nothing between them.

垃圾信息过滤 is free to download; Quiet costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

垃圾信息过滤 ships an update every 6 months, Quiet every 3 days. The most recent releases landed on October 26, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | 垃圾信息过滤 | Quiet |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/quiet-sms-classifier/id6739860634/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 days** |
| Monetization | — | Paid |
| Size | 3 MB | 7 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [鑫 刘](https://appshunter.io/developer/722687321) | [冠弛 任](https://appshunter.io/developer/1722508290) |

## What reviewers say

### 垃圾信息过滤

[App page](https://appshunter.io/ios/app/id1370718482)

**Features:** macOS Compatibility

**In-app purchases:** none


### Quiet

[App page](https://appshunter.io/ios/app/quiet-sms-classifier/id6739860634)

This app filters and manages spam messages to keep your SMS inbox clean and organized. It offers flexible rule settings for blocking unwanted messages and categorizing important ones. Local filtering technology ensures your data remains private and secure on your device.

**Highlights:** Spam message filtering, Message categorization, Flexible rule settings, Local data filtering, User-friendly interface

**In-app purchases:** none


## Frequently asked questions

### Is 垃圾信息过滤 free?

垃圾信息过滤 is free to download, with no in-app purchases.

### Is Quiet free?

Quiet costs $3.99, with no in-app purchases.

### Do 垃圾信息过滤 or Quiet have ads?

Neither 垃圾信息过滤 nor Quiet shows ads.

### Which is updated more often, 垃圾信息过滤 or Quiet?

垃圾信息过滤 ships an update every 6 months, and Quiet every 3 days. Most recently, 垃圾信息过滤 was updated on October 26, 2026 and Quiet on October 19, 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.*