# Air Sketch Free vs PresentationOS

The clearest difference is rating: Air Sketch Free at 4.5 against PresentationOS's 4.0. Air Sketch Free also leads on ratings volume (82 vs 1). PresentationOS's advantage is in-app purchases (none vs 3) and update cadence (monthly vs every 22 months). On price, ads and monetization model there is nothing between them.

Both are free to download. Air Sketch Free sells 3 in-app purchases, starting at $2.99 per month. PresentationOS asks for nothing beyond the download.

Air Sketch Free holds the better App Store score, 4.5 against 4.0. That said, the two scores are not equally well evidenced: Air Sketch Free has 82 ratings behind it against 1, so its average is the more settled of the two.

Air Sketch Free ships an update every 22 months, PresentationOS monthly. The most recent releases landed on November 1, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Air Sketch Free | PresentationOS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (82 ratings)](https://appshunter.io/ios/app/air-sketch-free/id376796733/reviews)** | [4.0 (1 ratings)](https://appshunter.io/ios/app/presentationos/id1260906979/reviews) |
| Number of ratings | **82** | 1 |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 22 months | **Monthly** |
| Monetization | Free | Free |
| Size | 7 MB | 164 MB |
| Requires iOS | 17.6 | **12.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Qrayon, LLC](https://appshunter.io/developer/354980265) | [EMBLEM LLC](https://appshunter.io/developer/1084953360) |

## What reviewers say

### Air Sketch Free

[App page](https://appshunter.io/ios/app/air-sketch-free/id376796733)

Transform your tablet into a wireless whiteboard. Easily project your live sketches to any web browser on a local computer in real-time, without needing extra hardware or software.

**Highlights:** Real-time drawing projection, Wireless connectivity, No extra hardware needed, Works with standard web browsers, Peer-to-peer network support

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AirSketch Pro Monthly Subscription | $2.99 | per month |
| AirSketch Pro Annual Subscription | $19.99 | per year |
| AirSketch Pro Lifetime | $29.99 | one-time |


### PresentationOS

[App page](https://appshunter.io/ios/app/presentationos/id1260906979)

This platform centralizes sales and marketing materials, allowing businesses to engage audiences across various screens. It offers features like content search, file tagging, and usage analytics to optimize marketing efforts and sales processes.

**Highlights:** Content search and file tagging, Device assignment and group permissions, Usage analytics for marketing insights, Offline content access, 3D module for product showcase, Training module with courses and questionnaires, CRM integration for data sharing

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Air Sketch Free free?

Air Sketch Free is free to download, with in-app purchases available.

### Is PresentationOS free?

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

### Which has better reviews, Air Sketch Free or PresentationOS?

Air Sketch Free is rated higher. Air Sketch Free averages 4.5 out of 5 from 82 ratings, while PresentationOS averages 4.0 from 1 ratings.

### Do Air Sketch Free or PresentationOS have ads?

Neither Air Sketch Free nor PresentationOS shows ads.

### Which is updated more often, Air Sketch Free or PresentationOS?

Air Sketch Free ships an update every 22 months, and PresentationOS monthly. Most recently, Air Sketch Free was updated on November 1, 2026 and PresentationOS on November 6, 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.*