# iTablo® Viewer vs Extension AI

The clearest difference is price: iTablo® Viewer at Free against Extension AI's $2.99. iTablo® Viewer also leads on rating (2.5 vs 1.0) and update cadence (every 2 months vs every 10 months). Extension AI's advantage is review sentiment (40% vs 0%). On ratings volume, ads, in-app purchases and device support there is nothing between them.

iTablo® Viewer is free to download; Extension AI costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

iTablo® Viewer holds the better App Store score, 2.5 against 1.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews complicate that: 0% of iTablo® Viewer's written reviews are positive against 40% of Extension AI's, so the app with the better star average is not the one people write more warmly about.

iTablo® Viewer ships an update every 2 months, Extension AI every 10 months. The most recent releases landed on October 3, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | iTablo® Viewer | Extension AI |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[2.5 (2 ratings)](https://appshunter.io/ios/app/itablo-viewer/id449565983/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/extension-ai/id6742454059/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | 0.0% of reviews | **40.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 10 months |
| Monetization | **Free** | Paid |
| Size | 85 MB | 3 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [ALTRALOGICA S.R.L.](https://appshunter.io/developer/345934636) | [Pierre Stanislas](https://appshunter.io/developer/1261009329) |

## What reviewers say

### iTablo® Viewer

[App page](https://appshunter.io/ios/app/itablo-viewer/id449565983)

This app allows you to view interactive digital publications created with iTablo® Designer. Transform any PDF into a rich, interactive experience. Registered users can upload and view their own content on iPad.

**Highlights:** View interactive digital publications, Transform PDFs into interactive content, Upload and view custom content, Requires iTablo® Designer for creation

**Features:** macOS Compatibility

**In-app purchases:** none


### Extension AI

[App page](https://appshunter.io/ios/app/extension-ai/id6742454059)

Enhance your web browsing with an AI assistant that summarizes, fact-checks, and explains content directly within your browser. Interact with AI to get concise summaries, verify information, and understand complex topics easily.

**Highlights:** Summarize articles, Fact-check information, Explain content (ELI5), Translate text, Generate questions, Analyze entire webpages

**Features:** Safari Extension, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is iTablo® Viewer free?

iTablo® Viewer is free to download, with no in-app purchases.

### Is Extension AI free?

Extension AI costs $2.99, with no in-app purchases.

### Which has better reviews, iTablo® Viewer or Extension AI?

iTablo® Viewer is rated higher. iTablo® Viewer averages 2.5 out of 5 from 2 ratings, while Extension AI averages 1.0 from 1 ratings.

### Do iTablo® Viewer or Extension AI have ads?

Neither iTablo® Viewer nor Extension AI shows ads.

### Which is updated more often, iTablo® Viewer or Extension AI?

iTablo® Viewer ships an update every 2 months, and Extension AI every 10 months. Most recently, iTablo® Viewer was updated on October 3, 2026 and Extension AI on October 7, 2026.

---

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