# Logbook Calculator vs Libellus One

The clearest difference is price: Logbook Calculator at $1.99 against Libellus One's $4.99. Logbook Calculator also leads on iOS requirement (15.0 vs 18.0). On ads, in-app purchases and device support there is nothing between them.

Logbook Calculator costs $1.99 and Libellus One $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Logbook Calculator | Libellus One |
| --- | --- | --- |
| Price | **$1.99** | $4.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Weekly |
| Size | 3 MB | 9 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Christopher Wagner](https://appshunter.io/developer/1696187073) | [SERHAN KAYMAKCI](https://appshunter.io/developer/6807321509) |

## What reviewers say

### Logbook Calculator

[App page](https://appshunter.io/ios/app/logbook-calculator/id6451004629)

**Features:** Vision Pro support

**In-app purchases:** none


### Libellus One

[App page](https://appshunter.io/ios/app/libellus-one-documents-notes/id6807321237)

**In-app purchases:** none


## Frequently asked questions

### Is Logbook Calculator free?

Logbook Calculator costs $1.99, with no in-app purchases.

### Is Libellus One free?

Libellus One costs $4.99, with no in-app purchases.

### Do Logbook Calculator or Libellus One have ads?

Neither Logbook Calculator nor Libellus One shows ads.

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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.*