# Master Under 45m Orals App vs Knowby Pro

The clearest difference is price: Knowby Pro at Free against Master Under 45m Orals App's $24.99. Knowby Pro also leads on update cadence (every 3 weeks vs every 14 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Knowby Pro is free to download; Master Under 45m Orals App costs $24.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Master Under 45m Orals App ships an update every 14 months, Knowby Pro every 3 weeks. The most recent releases landed on October 25, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Master Under 45m Orals App | Knowby Pro |
| --- | --- | --- |
| Price | $24.99 | **Free** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 3 weeks** |
| Monetization | Paid | **Free** |
| Size | 32 MB | 59 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Matthew Machado](https://appshunter.io/developer/1568892548) | [Knowby Pty Ltd](https://appshunter.io/developer/1607657031) |

## What reviewers say

### Master Under 45m Orals App

[App page](https://appshunter.io/ios/app/master-under-45m-orals-app/id1568892546)

Prepare for your Master Under 45m NC Orals exams with a comprehensive study tool. Access a database of model answers, COLREGS text, and nearly 150 past oral questions with answers. Utilize the quiz mode to test your knowledge effectively.

**Highlights:** Orals model answers database, COLREGS text database, Past oral questions and answers, Quiz mode for self-testing, AMSA study guide based content

**Features:** Vision Pro support

**In-app purchases:** none


### Knowby Pro

[App page](https://appshunter.io/ios/app/knowby-pro/id1607657029)

This platform delivers concise, step-by-step guidance for operational environments, replacing traditional manuals and videos. It empowers teams to execute tasks correctly and consistently across devices and roles, supporting a distributed workforce.

**Highlights:** Mobile-first video guidance, Role-based guidance distribution, Public and private guidance visibility, 137-language support, SSO integration, Offline mode, Custom branding

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

**In-app purchases:** none


## Frequently asked questions

### Is Master Under 45m Orals App free?

Master Under 45m Orals App costs $24.99, with no in-app purchases.

### Is Knowby Pro free?

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

### Do Master Under 45m Orals App or Knowby Pro have ads?

Neither Master Under 45m Orals App nor Knowby Pro shows ads.

### Which is updated more often, Master Under 45m Orals App or Knowby Pro?

Master Under 45m Orals App ships an update every 14 months, and Knowby Pro every 3 weeks. Most recently, Master Under 45m Orals App was updated on October 25, 2026 and Knowby Pro on October 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.*