# Owlculator vs Scanner · Baro

The clearest difference is price: Owlculator at Free against Scanner · Baro's $0.99. Scanner · Baro's advantage is in-app purchases (none vs 1) and iOS requirement (13.0 vs 17.0). On update cadence, ads and device support there is nothing between them.

Owlculator is free to download; Scanner · Baro costs $0.99 up front. Owlculator sells 1 one-off in-app purchase. Scanner · Baro asks for nothing beyond the download.

Owlculator ships an update every 4 days, Scanner · Baro every 3 days. The most recent releases landed on September 11, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Owlculator | Scanner · Baro |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 days | **Every 3 days** |
| Size | 2 MB | 22 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Fishington Studios](https://appshunter.io/developer/344044425) | [Euiseok Kim](https://appshunter.io/developer/1879633122) |

## What reviewers say

### Owlculator

[App page](https://appshunter.io/ios/app/owlculator-math-notes/id6761601067)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade to Pro | $4.99 | one-time |


### Scanner · Baro

[App page](https://appshunter.io/ios/app/scanner-baro/id6773306838)

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

**In-app purchases:** none


## Frequently asked questions

### Is Owlculator free?

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

### Is Scanner · Baro free?

Scanner · Baro costs $0.99, with no in-app purchases.

### Do Owlculator or Scanner · Baro have ads?

Neither Owlculator nor Scanner · Baro shows ads.

### Which is updated more often, Owlculator or Scanner · Baro?

Owlculator ships an update every 4 days, and Scanner · Baro every 3 days. Most recently, Owlculator was updated on September 11, 2026 and Scanner · Baro on September 21, 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.*