# PF One vs A320发动机操作模拟

The clearest difference is price: PF One at Free against A320发动机操作模拟's $29.99. PF One also leads on iOS requirement (13.0 vs 16.0). A320发动机操作模拟's advantage is update cadence (every 3 days vs every 3 weeks). On ads, in-app purchases and device support there is nothing between them.

PF One is free to download; A320发动机操作模拟 costs $29.99 up front. Neither carries in-app purchases, so what you see is what you pay.

PF One ships an update every 3 weeks, A320发动机操作模拟 every 3 days. The most recent releases landed on October 13, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | PF One | A320发动机操作模拟 |
| --- | --- | --- |
| Price | **Free** | $29.99 |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/pf-one/id6751495309/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Monetization | **Free** | Paid |
| Size | 29 MB | 8 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Shenzhen Pailefei Consulting Services Co., Ltd.](https://appshunter.io/developer/1832721362) | [广州视帧云途科技有限公司](https://appshunter.io/developer/1873314637) |

## 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


### A320发动机操作模拟

[App page](https://appshunter.io/ios/app/a320/id6812829370)

An interactive tool for learning and demonstrating aircraft engine procedures. Explore four engine configurations, independently control dual engines, and observe system responses through dynamic parameters and schematics. Practice fire handling scenarios and analyze operational principles.

**Highlights:** Four engine configurations, Independent dual engine control, Dynamic parameters and schematics, Operation logging and analysis, Fire handling drills, Mobile and tablet adaptation

**In-app purchases:** none


## Frequently asked questions

### Is PF One free?

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

### Is A320发动机操作模拟 free?

A320发动机操作模拟 costs $29.99, with no in-app purchases.

### Do PF One or A320发动机操作模拟 have ads?

Neither PF One nor A320发动机操作模拟 shows ads.

### Which is updated more often, PF One or A320发动机操作模拟?

PF One ships an update every 3 weeks, and A320发动机操作模拟 every 3 days. Most recently, PF One was updated on October 13, 2026 and A320发动机操作模拟 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.*