# Regaber vs OpenAirBook

The clearest difference is in-app purchases: Regaber at none against OpenAirBook's 7. OpenAirBook's advantage is update cadence (every 5 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. OpenAirBook sells 7 in-app purchases, starting at $1.99 per month. Regaber asks for nothing beyond the download.

Regaber ships an update every 2 months, OpenAirBook every 5 days. The most recent releases landed on October 27, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Regaber | OpenAirBook |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Size | 26 MB | 52 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 9+ | 4+ |
| Developer | [Regaber](https://appshunter.io/developer/1686149536) | [alberto imbernol](https://appshunter.io/developer/6786221732) |

## What reviewers say

### Regaber

[App page](https://appshunter.io/ios/app/regaber/id6448756686)

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

**In-app purchases:** none


### OpenAirBook

[App page](https://appshunter.io/ios/app/openairbook-drones-espana/id6786221730)

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Add-on IA Básico | $1.99 | per month |
| addon_ia_medio | $2.99 | per month |
| Plan Pro Mensual | $3.99 | per month |
| Add-on IA Pro | $8.99 | per month |
| Plan Business Mensual | $24.99 | per month |
| Plan Pro Anual | $44.99 | per year |
| Plan Business Anual | $249.99 | per year |


## Frequently asked questions

### Is Regaber free?

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

### Is OpenAirBook free?

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

### Do Regaber or OpenAirBook have ads?

Neither Regaber nor OpenAirBook shows ads.

### Which is updated more often, Regaber or OpenAirBook?

Regaber ships an update every 2 months, and OpenAirBook every 5 days. Most recently, Regaber was updated on October 27, 2026 and OpenAirBook on October 8, 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.*