# PAB vs 快省鸭

The clearest difference is in-app purchases: 快省鸭 at none against PAB's 4. PAB's advantage is update cadence (monthly vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. PAB sells 4 in-app purchases, starting at $0.99 per month. 快省鸭 asks for nothing beyond the download.

PAB ships an update monthly, 快省鸭 every 3 months. The most recent releases landed on October 25, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | PAB | 快省鸭 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 5.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Monthly** | Every 3 months |
| Monetization | — | Ad-supported |
| Size | 83 MB | 154 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [日超 刘](https://appshunter.io/developer/1187835688) | [栋杰 苑](https://appshunter.io/developer/1758745620) |

## What reviewers say

### PAB

[App page](https://appshunter.io/ios/app/pab-privacy-expert/id1535433087)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Continuous monthly membership | $0.99 | per month |
| Monthly Membership | $1.99 | one-time |
| Seasonly Membership | $3.99 | one-time |
| Yearly Membership | $12.99 | one-time |


### 快省鸭

[App page](https://appshunter.io/ios/app/id6443449731)

This app aggregates internal discount coupons from across the web for various categories like food, entertainment, and shopping. It offers cashback, exclusive deals for new users, and daily discounts, aiming to help users save significantly each year.

**Highlights:** Internal discount coupons, Up to 90% cashback, New user exclusive deals, Daily large coupons, Brand discounts up to 70% off, Daily sign-in rewards

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

**In-app purchases:** none


## Frequently asked questions

### Is PAB free?

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

### Is 快省鸭 free?

快省鸭 is free to download, with no in-app purchases.

### Do PAB or 快省鸭 have ads?

Both PAB and 快省鸭 show ads.

### Which is updated more often, PAB or 快省鸭?

PAB ships an update monthly, and 快省鸭 every 3 months. Most recently, PAB was updated on October 25, 2026 and 快省鸭 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.*