# Advanced Air Approvals vs eCertificate

The clearest difference is update cadence: Advanced Air Approvals at every 5 months against eCertificate's every 21 months. 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.

Advanced Air Approvals ships an update every 5 months, eCertificate every 21 months. Both last shipped on October 26, 2026.

## The numbers

| Metric | Advanced Air Approvals | eCertificate |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 21 months |
| Size | 30 MB | 26 MB |
| Requires iOS | **11.0** | 12.2 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [OneAdvanced Limited](https://appshunter.io/developer/596412777) | [PARTROIS](https://appshunter.io/developer/1590847370) |

## What reviewers say

### Advanced Air Approvals

[App page](https://appshunter.io/ios/app/advanced-air-approvals/id596412774)

**Features:** Vision Pro support

**In-app purchases:** none


### eCertificate

[App page](https://appshunter.io/ios/app/ecertificate/id1392508412)

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

**In-app purchases:** none


## Frequently asked questions

### Is Advanced Air Approvals free?

Advanced Air Approvals is free to download, with no in-app purchases.

### Is eCertificate free?

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

### Do Advanced Air Approvals or eCertificate have ads?

Neither Advanced Air Approvals nor eCertificate shows ads.

### Which is updated more often, Advanced Air Approvals or eCertificate?

Advanced Air Approvals ships an update every 5 months, and eCertificate every 21 months. Most recently, Advanced Air Approvals was updated on October 26, 2026 and eCertificate on October 26, 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.*