# Aviapp vs HTSi App

The clearest difference is iOS requirement: HTSi App at 12.2 against Aviapp's 15.0. 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.

Aviapp ships an update every 2 months, HTSi App every 3 months. The most recent releases landed on September 6, 2026 and July 23, 2026 respectively.

## The numbers

| Metric | Aviapp | HTSi App |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Size | 101 MB | 117 MB |
| Requires iOS | 15.0 | **12.2** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Huvepharma](https://appshunter.io/developer/1270701335) | [Elanco](https://appshunter.io/developer/590495398) |

## What reviewers say

### Aviapp

[App page](https://appshunter.io/ios/app/aviapp/id1270701336)

**Features:** macOS Compatibility

**In-app purchases:** none


### HTSi App

[App page](https://appshunter.io/ios/app/htsi-app/id1591404533)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Aviapp free?

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

### Is HTSi App free?

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

### Do Aviapp or HTSi App have ads?

Neither Aviapp nor HTSi App shows ads.

### Which is updated more often, Aviapp or HTSi App?

Aviapp ships an update every 2 months, and HTSi App every 3 months. Most recently, Aviapp was updated on September 6, 2026 and HTSi App on July 23, 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.*