# Aviapp vs EchoLog 3

The clearest difference is update cadence: EchoLog 3 at every 3 weeks against Aviapp's every 2 months. EchoLog 3 also leads on iOS requirement (13.0 vs 15.0). 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.

Aviapp ships an update every 2 months, EchoLog 3 every 3 weeks. The most recent releases landed on October 8, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Aviapp | EchoLog 3 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 93 MB | 6 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Huvepharma](https://appshunter.io/developer/1270701335) | [Munters Israel LTD](https://appshunter.io/developer/1401397003) |

## What reviewers say

### Aviapp

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

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

**In-app purchases:** none


### EchoLog 3

[App page](https://appshunter.io/ios/app/echolog-3/id6444918924)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Aviapp free?

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

### Is EchoLog 3 free?

EchoLog 3 is free to download, with no in-app purchases.

### Do Aviapp or EchoLog 3 have ads?

Neither Aviapp nor EchoLog 3 shows ads.

### Which is updated more often, Aviapp or EchoLog 3?

Aviapp ships an update every 2 months, and EchoLog 3 every 3 weeks. Most recently, Aviapp was updated on October 8, 2026 and EchoLog 3 on October 1, 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.*