# PDFs vs AI Detector.

The clearest difference is review sentiment: PDFs at 50% against AI Detector.'s 0%. PDFs also leads on ads (none vs shown) and rating (4.8 vs 4.3). AI Detector.'s advantage is in-app purchases (none vs 3) and update cadence (every 3 days vs weekly). On price, ratings volume and iOS requirement there is nothing between them.

Both are free to download. PDFs sells 3 in-app purchases, starting at $4.99 per month. AI Detector. asks for nothing beyond the download.

PDFs holds the better App Store score, 4.8 against 4.3. Both are backed by a comparable volume of ratings — 75 and 35 respectively. Written reviews point the same way: 50% of PDFs's written reviews are positive against 0% of AI Detector.'s.

PDFs ships an update weekly, AI Detector. every 3 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | PDFs | AI Detector. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (75 ratings)](https://appshunter.io/ios/app/pdfs-merge-and-split/id6742355160/reviews)** | [4.3 (35 ratings)](https://appshunter.io/ios/app/ai-detector/id6747714279/reviews) |
| Number of ratings | **75** | 35 |
| Positive reviews | **50.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Weekly | **Every 3 days** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 36 MB | 59 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [HANSIFY TECHNOLOGIES](https://appshunter.io/developer/1814646308) | [HC MAKER - PHOTO LOGO BACKGROUND EDITOR APPS FOR FREE](https://appshunter.io/developer/1441921885) |

## What reviewers say

### PDFs

[App page](https://appshunter.io/ios/app/pdfs-merge-and-split/id6742355160)

This app allows you to easily combine, split, secure, and customize PDF documents. It offers features like watermarking, page reordering, and password protection, all while working offline for enhanced privacy and speed.

**Highlights:** Merge multiple PDF files, Split large files or extract pages, Lock and unlock PDFs with passwords, Add custom text or image watermarks, Organize, reorder, and rotate pages, Offline processing for privacy

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $4.99 | per month |
| Yearly Plan | $9.99 | per year |
| Lifetime | $9.99 | one-time |


### AI Detector.

[App page](https://appshunter.io/ios/app/ai-detector/id6747714279)

Instantly determine if an image was created by artificial intelligence. This tool supports detection from numerous popular AI image generators, helping you verify the authenticity of visuals.

**Highlights:** Detects AI-generated images, Supports multiple AI generators, Instant results, Verifies image authenticity

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

**In-app purchases:** none


## Frequently asked questions

### Is PDFs free?

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

### Is AI Detector. free?

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

### Which has better reviews, PDFs or AI Detector.?

PDFs is rated higher. PDFs averages 4.8 out of 5 from 75 ratings, while AI Detector. averages 4.3 from 35 ratings.

### Do PDFs or AI Detector. have ads?

AI Detector. shows ads; PDFs does not.

### Which is updated more often, PDFs or AI Detector.?

PDFs ships an update weekly, and AI Detector. every 3 days. Most recently, PDFs was updated on October 24, 2026 and AI Detector. 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.*