# Air Demand Analysis vs Petvis

The clearest difference is update cadence: Air Demand Analysis at every 3 weeks against Petvis's every 3 months. Petvis's advantage is iOS requirement (12.4 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

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

Air Demand Analysis ships an update every 3 weeks, Petvis every 3 months. The most recent releases landed on September 18, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Air Demand Analysis | Petvis |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Size | 57 MB | 28 MB |
| Requires iOS | 15.6 | **12.4** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Kaeser Kompressoren SE](https://appshunter.io/developer/1647141870) | [Imtiaz Mughal](https://appshunter.io/developer/1607858997) |

## What reviewers say

### Air Demand Analysis

[App page](https://appshunter.io/ios/app/air-demand-analysis/id6464595229)

**In-app purchases:** none


### Petvis

[App page](https://appshunter.io/ios/app/petvis/id6560116518)

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

**In-app purchases:** none


## Frequently asked questions

### Is Air Demand Analysis free?

Air Demand Analysis is free to download, with no in-app purchases.

### Is Petvis free?

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

### Do Air Demand Analysis or Petvis have ads?

Neither Air Demand Analysis nor Petvis shows ads.

### Which is updated more often, Air Demand Analysis or Petvis?

Air Demand Analysis ships an update every 3 weeks, and Petvis every 3 months. Most recently, Air Demand Analysis was updated on September 18, 2026 and Petvis on September 15, 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.*