# O3 Ozone vs SlideAI

The clearest difference is in-app purchases: O3 Ozone at none against SlideAI's 5. O3 Ozone also leads on iOS requirement (12.0 vs 17.2). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. SlideAI sells 5 in-app purchases, starting at $9.99 per month. O3 Ozone asks for nothing beyond the download.

O3 Ozone ships an update every 9 days, SlideAI weekly. The most recent releases landed on November 7, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | O3 Ozone | SlideAI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.7 (3 ratings)](https://appshunter.io/ios/app/slideai-ai-presentation-maker/id6739415399/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Weekly** |
| Monetization | — | Freemium |
| Size | 23 MB | 21 MB |
| Requires iOS | **12.0** | 17.2 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SOFTTECH NETWORK COMPANY LIMITED](https://appshunter.io/developer/1095604731) | [Sense G.K.](https://appshunter.io/developer/1624435170) |

## What reviewers say

### O3 Ozone

[App page](https://appshunter.io/ios/app/o3-ozone/id1513863222)

**Features:** macOS Compatibility

**In-app purchases:** none


### SlideAI

[App page](https://appshunter.io/ios/app/slideai-ai-presentation-maker/id6739415399)

Transform text into professional presentations with AI-powered design. Simply input a topic or paste content, and the app generates a unique, editable deck with custom typography, colors, and diagrams. Export as editable PowerPoint or share as PDF.

**Highlights:** Generate presentations from text input, AI-designed unique layouts and visuals, Editable PowerPoint (PPTX) export, PDF viewing and sharing, AI-assisted editing, Supports 34 languages

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SlideAI Pro Monthly | $9.99 | per month |
| SlideAI Pro Special Offer | $29.99 | per year |
| Spring SALE | $39.99 | per year |
| SlideAI Pro Yearly | $99.99 | per year |
| 7-Day Trial | $6.99 | one-time |


## Frequently asked questions

### Is O3 Ozone free?

O3 Ozone is free to download, with no in-app purchases.

### Is SlideAI free?

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

### Do O3 Ozone or SlideAI have ads?

Neither O3 Ozone nor SlideAI shows ads.

### Which is updated more often, O3 Ozone or SlideAI?

O3 Ozone ships an update every 9 days, and SlideAI weekly. Most recently, O3 Ozone was updated on November 7, 2026 and SlideAI on November 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.*