# VisualTimer vs A320发动机操作模拟

The clearest difference is price: VisualTimer at Free against A320发动机操作模拟's $29.99. A320发动机操作模拟's advantage is in-app purchases (none vs 1) and update cadence (every 3 days vs every 11 days). On ads, device support and iOS requirement there is nothing between them.

VisualTimer is free to download; A320发动机操作模拟 costs $29.99 up front. VisualTimer sells 1 one-off in-app purchase. A320发动机操作模拟 asks for nothing beyond the download.

VisualTimer ships an update every 11 days, A320发动机操作模拟 every 3 days. The most recent releases landed on November 9, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | VisualTimer | A320发动机操作模拟 |
| --- | --- | --- |
| Price | **Free** | $29.99 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 11 days | **Every 3 days** |
| Monetization | — | Paid |
| Size | 4 MB | 8 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Guo weikun](https://appshunter.io/developer/833345485) | [广州视帧云途科技有限公司](https://appshunter.io/developer/1873314637) |

## What reviewers say

### VisualTimer

[App page](https://appshunter.io/ios/app/visualtimer-fun-timer/id6763916601)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Senior member PRO | $2.99 | one-time |


### 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 VisualTimer free?

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

### 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 VisualTimer or A320发动机操作模拟 have ads?

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

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

VisualTimer ships an update every 11 days, and A320发动机操作模拟 every 3 days. Most recently, VisualTimer was updated on November 9, 2026 and A320发动机操作模拟 on November 10, 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.*