# Quiet vs 信析

The clearest difference is price: 信析 at Free against Quiet's $3.99. Quiet's advantage is in-app purchases (none vs 3) and update cadence (every 3 days vs every 2 months). On ads, device support and iOS requirement there is nothing between them.

信析 is free to download; Quiet costs $3.99 up front. 信析 sells 3 in-app purchases, starting at $0.99 per month. Quiet asks for nothing beyond the download.

Quiet ships an update every 3 days, 信析 every 2 months. The most recent releases landed on October 3, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Quiet | 信析 |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| 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** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 2 months |
| Monetization | Paid | — |
| Size | 7 MB | 2 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [冠弛 任](https://appshunter.io/developer/1722508290) | [朝军 余](https://appshunter.io/developer/1810122551) |

## What reviewers say

### 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


### 信析

[App page](https://appshunter.io/ios/app/ai/id6759789097)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 信析月度会员 | $0.99 | per month |
| 信析年度会员 | $0.99 | per year |
| 信析永久会员 | $0.99 | one-time |


## Frequently asked questions

### Is Quiet free?

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

### Is 信析 free?

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

### Do Quiet or 信析 have ads?

Neither Quiet nor 信析 shows ads.

### Which is updated more often, Quiet or 信析?

Quiet ships an update every 3 days, and 信析 every 2 months. Most recently, Quiet was updated on October 3, 2026 and 信析 on October 18, 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.*