# AI Knowledge Assistant vs E Signature Scanner

The clearest difference is in-app purchases: AI Knowledge Assistant at none against E Signature Scanner's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. E Signature Scanner sells 3 in-app purchases, starting at $9.99 per 7 days. AI Knowledge Assistant asks for nothing beyond the download.

AI Knowledge Assistant ships an update monthly, E Signature Scanner every 3 weeks. The most recent releases landed on October 1, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | AI Knowledge Assistant | E Signature Scanner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/ai-knowledge-assistant/id6470811516/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 32 MB | 66 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Blue Elephants Solutions Pte. Ltd.](https://appshunter.io/developer/1491903274) | [Amal Paul](https://appshunter.io/developer/1541483208) |

## What reviewers say

### AI Knowledge Assistant

[App page](https://appshunter.io/ios/app/ai-knowledge-assistant/id6470811516)

Access company-specific information and documents through an AI-powered chatbot. Organize data in repositories or query individual files in various formats like TXT, PDF, DOC, and PPT. Enhance productivity and reduce support costs by finding information faster.

**Highlights:** AI-powered chatbot, Access company-specific information, Supports TXT, CSV, PDF, PPT, DOC, EXL formats, Organize information in Knowledge Repositories, Query entire repositories or single documents, Improves productivity and satisfaction

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

**In-app purchases:** none


### E Signature Scanner

[App page](https://appshunter.io/ios/app/e-signature-scanner-esign-pdf/id6767108175)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Plan | $9.99 | per 7 days |
| Annual Plan | $29.99 | per year |
| Lifetime Plan | $49.99 | one-time |


## Frequently asked questions

### Is AI Knowledge Assistant free?

AI Knowledge Assistant is free to download, with no in-app purchases.

### Is E Signature Scanner free?

E Signature Scanner is free to download, with in-app purchases available.

### Do AI Knowledge Assistant or E Signature Scanner have ads?

Neither AI Knowledge Assistant nor E Signature Scanner shows ads.

### Which is updated more often, AI Knowledge Assistant or E Signature Scanner?

AI Knowledge Assistant ships an update monthly, and E Signature Scanner every 3 weeks. Most recently, AI Knowledge Assistant was updated on October 1, 2026 and E Signature Scanner 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.*