# PK汇率 vs Power PDF Scanner

The clearest difference is update cadence: Power PDF Scanner at every 3 days against PK汇率's every 3 months. PK汇率's advantage is iOS requirement (8.1 vs 17). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

PK汇率 ships an update every 3 months, Power PDF Scanner every 3 days. The most recent releases landed on September 14, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | PK汇率 | Power PDF Scanner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/power-pdf-scanner/id6465536567/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 days** |
| Monetization | — | Free |
| Size | 6 MB | 1 MB |
| Requires iOS | **8.1** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [北京迈诺凯投资咨询有限公司](https://appshunter.io/developer/991258182) | [Irvinesoft Inc](https://appshunter.io/developer/1654264185) |

## What reviewers say

### PK汇率

[App page](https://appshunter.io/ios/app/pk/id1266106401)

**Features:** macOS Compatibility

**In-app purchases:** none


### Power PDF Scanner

[App page](https://appshunter.io/ios/app/power-pdf-scanner/id6465536567)

Transform your phone into a portable scanner to capture documents, receipts, and photos. Save them as high-quality PDFs and access them across devices via iCloud Drive. Effortlessly organize and share your scanned files.

**Highlights:** Scan documents, receipts, and photos, Save scans as high-quality PDFs, iCloud Drive integration for cross-device access, Smart organization and management of scans, Instant sharing via email, message, or cloud services

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

**In-app purchases:** none


## Frequently asked questions

### Is PK汇率 free?

PK汇率 is free to download, with no in-app purchases.

### Is Power PDF Scanner free?

Power PDF Scanner is free to download, with no in-app purchases.

### Do PK汇率 or Power PDF Scanner have ads?

Neither PK汇率 nor Power PDF Scanner shows ads.

### Which is updated more often, PK汇率 or Power PDF Scanner?

PK汇率 ships an update every 3 months, and Power PDF Scanner every 3 days. Most recently, PK汇率 was updated on September 14, 2026 and Power PDF Scanner on September 8, 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.*