# PF One vs 拾页

The clearest difference is price: PF One at Free against 拾页's $0.99. PF One also leads on iOS requirement (13.0 vs 16.6). 拾页's advantage is update cadence (every 9 days vs every 3 weeks). On ads, in-app purchases and device support there is nothing between them.

PF One is free to download; 拾页 costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

PF One ships an update every 3 weeks, 拾页 every 9 days. The most recent releases landed on October 13, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | PF One | 拾页 |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/pf-one/id6751495309/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 9 days** |
| Monetization | Free | — |
| Size | 29 MB | 9 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Shenzhen Pailefei Consulting Services Co., Ltd.](https://appshunter.io/developer/1832721362) | [馨洁龙 郑](https://appshunter.io/developer/1872415712) |

## What reviewers say

### PF One

[App page](https://appshunter.io/ios/app/pf-one/id6751495309)

This aviation dictionary and pilot toolbox offers a vast database of over 20,000 aviation terms, with Chinese-English support. It features category browsing, search, airport codes, and practical tools like an interview checklist and flight time calculator. Access information offline and benefit from continuous updates.

**Highlights:** Extensive aviation database (20,000+ entries), Chinese-English paired entries, Category filters and search, Airport and code reference, Pilot interview checklist, Flight time calculator, Offline access

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

**In-app purchases:** none


### 拾页

[App page](https://appshunter.io/ios/app/ocr/id6776548193)

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

**In-app purchases:** none


## Frequently asked questions

### Is PF One free?

PF One is free to download, with no in-app purchases.

### Is 拾页 free?

拾页 costs $0.99, with no in-app purchases.

### Do PF One or 拾页 have ads?

Neither PF One nor 拾页 shows ads.

### Which is updated more often, PF One or 拾页?

PF One ships an update every 3 weeks, and 拾页 every 9 days. Most recently, PF One was updated on October 13, 2026 and 拾页 on October 7, 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.*