# 347心理学圣题库 vs Airbus A320 Systems Trainer

The clearest difference is price: 347心理学圣题库 at Free against Airbus A320 Systems Trainer's $39.99. 347心理学圣题库 also leads on iOS requirement (11.0 vs 13.0). Airbus A320 Systems Trainer's advantage is update cadence (every 4 days vs monthly). On ads, in-app purchases and device support there is nothing between them.

347心理学圣题库 is free to download; Airbus A320 Systems Trainer costs $39.99 up front. Neither carries in-app purchases, so what you see is what you pay.

347心理学圣题库 ships an update monthly, Airbus A320 Systems Trainer every 4 days. Both last shipped on November 3, 2026.

## The numbers

| Metric | 347心理学圣题库 | Airbus A320 Systems Trainer |
| --- | --- | --- |
| Price | **Free** | $39.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 days** |
| Size | 43 MB | 56 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sheng Cai E-books (Wuhan) Co., Ltd.](https://appshunter.io/developer/1448965022) | [faraz sheikh](https://appshunter.io/developer/851761851) |

## What reviewers say

### 347心理学圣题库

[App page](https://appshunter.io/ios/app/347/id1566701930)

**Features:** Vision Pro support

**In-app purchases:** none


### Airbus A320 Systems Trainer

[App page](https://appshunter.io/ios/app/airbus-a320-systems-trainer/id1617112160)

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

**In-app purchases:** none


## Frequently asked questions

### Is 347心理学圣题库 free?

347心理学圣题库 is free to download, with no in-app purchases.

### Is Airbus A320 Systems Trainer free?

Airbus A320 Systems Trainer costs $39.99, with no in-app purchases.

### Do 347心理学圣题库 or Airbus A320 Systems Trainer have ads?

Neither 347心理学圣题库 nor Airbus A320 Systems Trainer shows ads.

### Which is updated more often, 347心理学圣题库 or Airbus A320 Systems Trainer?

347心理学圣题库 ships an update monthly, and Airbus A320 Systems Trainer every 4 days. Most recently, 347心理学圣题库 was updated on November 3, 2026 and Airbus A320 Systems Trainer on November 3, 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.*