# Simple LogBook vs Oscar

The clearest difference is in-app purchases: Oscar at none against Simple LogBook's 4. Oscar also leads on update cadence (weekly vs every 2 months). Simple LogBook's advantage is iOS requirement (18.6 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Simple LogBook sells 4 in-app purchases, starting at $4.99 per month. Oscar asks for nothing beyond the download.

Simple LogBook ships an update every 2 months, Oscar weekly. The most recent releases landed on October 13, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Simple LogBook | Oscar |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Size | 2 MB | 34 MB |
| Requires iOS | **18.6** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [MacLaren's Studio](https://appshunter.io/developer/549588446) | [Matias Lavarello](https://appshunter.io/developer/6776808253) |

## What reviewers say

### Simple LogBook

[App page](https://appshunter.io/ios/app/simple-logbook/id6759546071)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $4.99 | per month |
| Pro Annual | $29.99 | per year |
| Simple LogBook Pro | $9.99 | one-time |
| Pro Lifetime | $89.99 | one-time |


### Oscar

[App page](https://appshunter.io/ios/app/oscar/id6776808251)

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

**In-app purchases:** none


## Frequently asked questions

### Is Simple LogBook free?

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

### Is Oscar free?

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

### Do Simple LogBook or Oscar have ads?

Neither Simple LogBook nor Oscar shows ads.

### Which is updated more often, Simple LogBook or Oscar?

Simple LogBook ships an update every 2 months, and Oscar weekly. Most recently, Simple LogBook was updated on October 13, 2026 and Oscar on October 4, 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.*