# HHLCOSP SkoolTech Plus vs PDF AI

The clearest difference is in-app purchases: HHLCOSP SkoolTech Plus at none against PDF AI's 5. HHLCOSP SkoolTech Plus also leads on ads (none vs shown). PDF AI's advantage is iOS requirement (15.0 vs 17.0). On price, update cadence and device support there is nothing between them.

Both are free to download. PDF AI sells 5 in-app purchases, starting at $7.99 per 7 days. HHLCOSP SkoolTech Plus asks for nothing beyond the download.

HHLCOSP SkoolTech Plus ships an update monthly, PDF AI every 3 weeks. The most recent releases landed on October 5, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | HHLCOSP SkoolTech Plus | PDF AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (160 ratings)](https://appshunter.io/ios/app/pdf-ai-editor-scanner-chat/id6581489325/reviews)** |
| Number of ratings | — | **160** |
| Positive reviews | — | 88.4% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 6 MB | 169 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Michael Martin Abellana](https://appshunter.io/developer/1695378525) | [Yang Yang](https://appshunter.io/developer/1756128958) |

## What reviewers say

### HHLCOSP SkoolTech Plus

[App page](https://appshunter.io/ios/app/hhlcosp-skooltech-plus/id6451194930)

**Features:** macOS Compatibility

**In-app purchases:** none


### PDF AI

[App page](https://appshunter.io/ios/app/pdf-ai-editor-scanner-chat/id6581489325)

This application offers a comprehensive suite of AI-powered tools for managing PDF documents. Users can edit text and images, generate AI summaries, convert files to various formats, and securely sign documents. It prioritizes speed and privacy with local processing and encryption.

**Highlights:** Edit PDF text and images, AI-powered summaries and highlights, Annotate and collaborate on documents, Fill and e-sign forms, Convert PDFs to Word, Excel, PPT, Images, TXT, Secure offline scanning and organization

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly VIP | $7.99 | per 7 days |
| Weekly VIP | $9.99 | per 7 days |
| Weekly VIP | $9.99 | per 7 days |
| Monthly VIP | $14.99 | per month |
| Yearly VIP | $59.99 | per year |


## Frequently asked questions

### Is HHLCOSP SkoolTech Plus free?

HHLCOSP SkoolTech Plus is free to download, with no in-app purchases.

### Is PDF AI free?

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

### Do HHLCOSP SkoolTech Plus or PDF AI have ads?

PDF AI shows ads; HHLCOSP SkoolTech Plus does not.

### Which is updated more often, HHLCOSP SkoolTech Plus or PDF AI?

HHLCOSP SkoolTech Plus ships an update monthly, and PDF AI every 3 weeks. Most recently, HHLCOSP SkoolTech Plus was updated on October 5, 2026 and PDF AI on October 24, 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.*