# Omni Relprev vs Log1s Pilot Logbook

The clearest difference is in-app purchases: Omni Relprev at none against Log1s Pilot Logbook's 2. Omni Relprev also leads on iOS requirement (9.0 vs 14.0). Log1s Pilot Logbook's advantage is update cadence (every 2 weeks vs every 3 months). On price and device support there is nothing between them.

Both are free to download. Log1s Pilot Logbook sells 2 in-app purchases, starting at $2.99 per month. Omni Relprev asks for nothing beyond the download.

Omni Relprev ships an update every 3 months, Log1s Pilot Logbook every 2 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Omni Relprev | Log1s Pilot Logbook |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/log1s-pilot-logbook/id1568930529/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | — |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | — | Subscription |
| Size | 25 MB | 85 MB |
| Requires iOS | **9.0** | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [VILAAPPS DESENVOLVIMENTO DE SISTEMAS LTDA](https://appshunter.io/developer/1594697114) | [Lan Le Hong](https://appshunter.io/developer/1568928381) |

## What reviewers say

### Omni Relprev

[App page](https://appshunter.io/ios/app/omni-relprev/id1434690340)

**Features:** macOS Compatibility

**In-app purchases:** none


### Log1s Pilot Logbook

[App page](https://appshunter.io/ios/app/log1s-pilot-logbook/id1568930529)

This app digitizes pilot logbooks to reduce workload and enhance flight safety. It offers features like all-in-one screen input, calendar overviews, license tracking, and ACARS scanning for quick log entry. It also helps calculate pilot income and can be customized for various pilot types.

**Highlights:** All-in-one screen for quick input, Calendar view for flight overview, License and recurrent tracking with notifications, iCloud backup and data import/export, Digital signature for flight security, ACARS scan for rapid log entry, Precise salary calculation, Customizable for different pilot types

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $2.99 | per month |
| Yearly Subscription | $29.99 | per year |


## Frequently asked questions

### Is Omni Relprev free?

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

### Is Log1s Pilot Logbook free?

Log1s Pilot Logbook is free to download, with in-app purchases available.

### Which is updated more often, Omni Relprev or Log1s Pilot Logbook?

Omni Relprev ships an update every 3 months, and Log1s Pilot Logbook every 2 weeks. Most recently, Omni Relprev was updated on November 2, 2026 and Log1s Pilot Logbook on November 3, 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.*