# Simple PDF Convert vs AI Guard

The clearest difference is ads: Simple PDF Convert at none against AI Guard's shown. Simple PDF Convert also leads on update cadence (every 3 days vs every 9 days). AI Guard's advantage is ratings volume (68 vs 5). On price, rating, review sentiment and in-app purchases there is nothing between them.

Both are free to download. Simple PDF Convert sells 6 in-app purchases, starting at $4.99 per 7 days and AI Guard sells 2 in-app purchases, starting at $9.99 per 7 days. Whichever you choose, the download price is not the number that matters.

AI Guard holds the better App Store score, 4.2 against 4.0. That said, the two scores are not equally well evidenced: AI Guard has 68 ratings behind it against 5, so its average is the more settled of the two. Written reviews split almost evenly too, at 0% and 0% positive.

Simple PDF Convert ships an update every 3 days, AI Guard every 9 days. The most recent releases landed on November 7, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Simple PDF Convert | AI Guard |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (5 ratings)](https://appshunter.io/ios/app/simple-pdf-convert/id6752290732/reviews) | **[4.2 (68 ratings)](https://appshunter.io/ios/app/ai-guard-smart-cleaner/id6788275095/reviews)** |
| Number of ratings | 5 | **68** |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 days** | Every 9 days |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 63 MB | 51 MB |
| Requires iOS | 18.2 | **17.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 9+ |
| Developer | [Umesh Mangukiya](https://appshunter.io/developer/1830402150) | [Hongkong Oaky Technology limited](https://appshunter.io/developer/6788275097) |

## What reviewers say

### Simple PDF Convert

[App page](https://appshunter.io/ios/app/simple-pdf-convert/id6752290732)

Transform documents, images, and scans into professional PDFs quickly. Features include scanning, text extraction, QR code generation, digital signatures, and password protection for enhanced productivity and security.

**Highlights:** Scan documents to PDF, Extract text from images (OCR), Generate and scan QR/Barcodes, Convert various file types to PDF, Add digital signatures, Password protect PDFs, Merge and compress PDFs

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.99 | per 7 days |
| Weekly | $4.99 | per 7 days |
| Pro Weekly | $7.99 | per 7 days |
| Yearly Offer | $29.99 | per year |
| Yearly | $59.99 | per year |
| Lifetime | $79.99 | one-time |


### AI Guard

[App page](https://appshunter.io/ios/app/ai-guard-smart-cleaner/id6788275095)

This utility app helps you clean up your iPhone storage by identifying duplicate and large media files. It also offers privacy features to manage sensitive photos and checks for digital risks like unsafe Wi-Fi connections and suspicious links.

**Highlights:** Smart photo and video cleanup, Duplicate contact merging, Sensitive photo detection, Private media storage, Wi-Fi and URL safety checks, QR code scanning, Device status review

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AI Guard Pro – Weekly Access | $9.99 | per 7 days |
| AI Guard Pro – Weekly Access | $9.99 | per 7 days |


## Frequently asked questions

### Is Simple PDF Convert free?

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

### Is AI Guard free?

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

### Which has better reviews, Simple PDF Convert or AI Guard?

AI Guard is rated higher. Simple PDF Convert averages 4.0 out of 5 from 5 ratings, while AI Guard averages 4.2 from 68 ratings.

### Do Simple PDF Convert or AI Guard have ads?

AI Guard shows ads; Simple PDF Convert does not.

### Which is updated more often, Simple PDF Convert or AI Guard?

Simple PDF Convert ships an update every 3 days, and AI Guard every 9 days. Most recently, Simple PDF Convert was updated on November 7, 2026 and AI Guard on November 5, 2026.

---

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