# COB vs SlideAI Pro

The clearest difference is rating: COB at 5.0 against SlideAI Pro's 3.7. COB also leads on in-app purchases (none vs 4) and iOS requirement (15.5 vs 17.2). SlideAI Pro's advantage is update cadence (every 5 days vs every 6 weeks). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. SlideAI Pro sells 4 in-app purchases, starting at $9.99 per month. COB asks for nothing beyond the download.

COB holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 2 and 3 respectively.

COB ships an update every 6 weeks, SlideAI Pro every 5 days. The most recent releases landed on September 8, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | COB | SlideAI Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/cob-eoffice/id1578068882/reviews)** | [3.7 (3 ratings)](https://appshunter.io/ios/app/slideai-pro-ai-presentation/id6739415399/reviews) |
| Number of ratings | 2 | **3** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 5 days** |
| Monetization | **Free** | Freemium |
| Size | 45 MB | 20 MB |
| Requires iOS | **15.5** | 17.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Co-opBank](https://appshunter.io/developer/1578068884) | [Sense G.K.](https://appshunter.io/developer/1624435170) |

## What reviewers say

### COB

[App page](https://appshunter.io/ios/app/cob-eoffice/id1578068882)

This electronic office solution streamlines business operations with digital document management and workflow automation. It aims to enhance efficiency and accessibility for corporate users.

**Highlights:** Electronic office solution, Digital document management, Workflow automation, Business operations enhancement, Increased efficiency

**Features:** macOS Compatibility

**In-app purchases:** none


### SlideAI Pro

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

Effortlessly transform your ideas into professional presentations with AI. Generate structured slides, visualize data with charts, and optimize layouts for maximum impact. Save time and elevate your presentations with this intuitive design assistant.

**Highlights:** AI auto-generated slides from topic/outline, Versatile data visualization (charts, graphs), Smart design optimization for clarity, Roadmap and planning tools, Intuitive and efficient user interface

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SlideAI Pro Monthly | $9.99 | per month |
| Spring SALE | $39.99 | per year |
| SlideAI Pro Yearly | $99.99 | per year |
| 7-Day Trial | $3.99 | one-time |


## Frequently asked questions

### Is COB free?

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

### Is SlideAI Pro free?

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

### Which has better reviews, COB or SlideAI Pro?

COB is rated higher. COB averages 5.0 out of 5 from 2 ratings, while SlideAI Pro averages 3.7 from 3 ratings.

### Do COB or SlideAI Pro have ads?

Neither COB nor SlideAI Pro shows ads.

### Which is updated more often, COB or SlideAI Pro?

COB ships an update every 6 weeks, and SlideAI Pro every 5 days. Most recently, COB was updated on September 8, 2026 and SlideAI Pro on September 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*