# 易思汇 vs Sift

The clearest difference is in-app purchases: 易思汇 at none against Sift's 1. 易思汇 also leads on iOS requirement (15.5 vs 18.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Sift sells 1 one-off in-app purchase. 易思汇 asks for nothing beyond the download.

易思汇 ships an update weekly, Sift every 9 days. Both last shipped on October 14, 2026.

## The numbers

| Metric | 易思汇 | Sift |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 9 days |
| Size | 91 MB | 40 MB |
| Requires iOS | **15.5** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [留服数科 (北京) 科技有限公司‌](https://appshunter.io/developer/1896680312) | [源鹏 廖](https://appshunter.io/developer/6777849850) |

## What reviewers say

### 易思汇

[App page](https://appshunter.io/ios/app/id6769699142)

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

**In-app purchases:** none


### Sift

[App page](https://appshunter.io/ios/app/sift-spam-text-filter/id6788805739)

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sift Premium | $0.99 | one-time |


## Frequently asked questions

### Is 易思汇 free?

易思汇 is free to download, with no in-app purchases.

### Is Sift free?

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

### Do 易思汇 or Sift have ads?

Neither 易思汇 nor Sift shows ads.

### Which is updated more often, 易思汇 or Sift?

易思汇 ships an update weekly, and Sift every 9 days. Most recently, 易思汇 was updated on October 14, 2026 and Sift on October 14, 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.*