# AvioBook Flight TRAINING vs Z

The clearest difference is device support: Z at 3 against AvioBook Flight TRAINING's 1. Z also leads on iOS requirement (15.1 vs 17.6). On price, update cadence, ads and in-app purchases there is nothing between them.

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

AvioBook Flight TRAINING ships an update monthly, Z every 3 weeks. The most recent releases landed on September 14, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | AvioBook Flight TRAINING | Z |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Size | 206 MB | 66 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [AvioVision](https://appshunter.io/developer/568400284) | [Z-SOFT COMPANY LIMITED](https://appshunter.io/developer/1803614684) |

## What reviewers say

### AvioBook Flight TRAINING

[App page](https://appshunter.io/ios/app/aviobook-flight-training/id6448979855)

**Features:** Vision Pro support

**In-app purchases:** none


### Z

[App page](https://appshunter.io/ios/app/z-cloud-workspace/id6759944838)

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

**In-app purchases:** none


## Frequently asked questions

### Is AvioBook Flight TRAINING free?

AvioBook Flight TRAINING is free to download, with no in-app purchases.

### Is Z free?

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

### Do AvioBook Flight TRAINING or Z have ads?

Neither AvioBook Flight TRAINING nor Z shows ads.

### Which is updated more often, AvioBook Flight TRAINING or Z?

AvioBook Flight TRAINING ships an update monthly, and Z every 3 weeks. Most recently, AvioBook Flight TRAINING was updated on September 14, 2026 and Z on September 20, 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.*