# Vayu Ketamine vs Elevator Mechanic Prep

The clearest difference is in-app purchases: Vayu Ketamine at none against Elevator Mechanic Prep's 3. Vayu Ketamine also leads on device support (3 vs 1) and iOS requirement (8.0 vs 17.0). On price and ads there is nothing between them.

Both are free to download. Elevator Mechanic Prep sells 3 in-app purchases, starting at $9.99 per month. Vayu Ketamine asks for nothing beyond the download.

## The numbers

| Metric | Vayu Ketamine | Elevator Mechanic Prep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/elevator-mechanic-prep/id6763969467/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Monetization | — | Freemium |
| Size | 178 MB | 6 MB |
| Requires iOS | **8.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Vayu Foundation](https://appshunter.io/developer/1506009691) | [Deeun Inc.](https://appshunter.io/developer/1691824695) |

## What reviewers say

### Vayu Ketamine

[App page](https://appshunter.io/ios/app/vayu-ketamine/id1513301421)

**Features:** macOS Compatibility

**In-app purchases:** none


### Elevator Mechanic Prep

[App page](https://appshunter.io/ios/app/elevator-mechanic-prep/id6763969467)

Prepare for your elevator mechanic licensing exam with this comprehensive study tool. It covers essential topics like ASME A17.1 code, electrical theory, mechanical systems, and safety devices, offering over 1,000 practice questions with detailed explanations.

**Highlights:** ASME A17.1 code specifics, NEC electrical requirements, OSHA standards, Mechanical systems, Safety device guide, 1,000+ practice questions, Detailed explanations with references

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro - Monthly | $9.99 | per month |
| Elevator Prep Pro Annually | $24.99 | per year |
| Elevator - Lifetime Pro | $49.99 | one-time |


## Frequently asked questions

### Is Vayu Ketamine free?

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

### Is Elevator Mechanic Prep free?

Elevator Mechanic Prep is free to download, with in-app purchases available.

### Do Vayu Ketamine or Elevator Mechanic Prep have ads?

Neither Vayu Ketamine nor Elevator Mechanic Prep shows ads.

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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.*