# EFB Logbook vs Aieron

The clearest difference is iOS requirement: EFB Logbook at 15.6 against Aieron's 26.5. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. EFB Logbook sells 4 in-app purchases, starting at $3.99 per month and Aieron sells 3 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | EFB Logbook | Aieron |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Size | 72 MB | 6 MB |
| Requires iOS | **15.6** | 26.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [THOMAS STEVEN LEDGER](https://appshunter.io/developer/1874630956) | [Borislav Indzhov](https://appshunter.io/developer/6798525217) |

## What reviewers say

### EFB Logbook

[App page](https://appshunter.io/ios/app/efb-logbook/id6758730252)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO Monthly | $3.99 | per month |
| EFB Logbook PRO 3 Months | $9.99 | per 3 months |
| EFB Logbook PRO 6 Months | $19.99 | per 6 months |
| EFB Logbook PRO 1 Year | $29.99 | per year |


### Aieron

[App page](https://appshunter.io/ios/app/aieron-aerodynamics-sim/id6799515579)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $5.99 | per month |
| Yearly | $44.99 | per year |
| Lifetime | $59.99 | one-time |


## Frequently asked questions

### Is EFB Logbook free?

EFB Logbook is free to download, with in-app purchases available.

### Is Aieron free?

Aieron is free to download, with in-app purchases available.

### Do EFB Logbook or Aieron have ads?

Neither EFB Logbook nor Aieron shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*