# Knowby Pro vs AstroArray

Knowby Pro and AstroArray are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 21, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Knowby Pro | AstroArray |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free | — |
| Size | 59 MB | 38 MB |
| Requires iOS | 14.0 | **13.6** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Knowby Pty Ltd](https://appshunter.io/developer/1607657031) | [3D Walkabout Pty Ltd](https://appshunter.io/developer/1529875922) |

## What reviewers say

### 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


### AstroArray

[App page](https://appshunter.io/ios/app/astroarray-csiroskao-and-mwa/id6444955805)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Knowby Pro free?

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

### Is AstroArray free?

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

### Do Knowby Pro or AstroArray have ads?

Neither Knowby Pro nor AstroArray shows ads.

### Which is updated more often, Knowby Pro or AstroArray?

Knowby Pro ships an update every 3 weeks, and AstroArray every 3 weeks. Most recently, Knowby Pro was updated on October 21, 2026 and AstroArray on October 8, 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.*