# PDFly vs Memory Test

The clearest difference is in-app purchases: PDFly at none against Memory Test's 1. PDFly also leads on iOS requirement (15.6 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Memory Test sells 1 one-off in-app purchase. PDFly asks for nothing beyond the download.

PDFly ships an update every 10 days, Memory Test every 2 weeks. The most recent releases landed on October 22, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | PDFly | Memory Test |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/pdfly-pdf-editor-and-scanner/id6754668284/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 10 days** | Every 2 weeks |
| Monetization | Ad-supported | — |
| Size | 36 MB | 8 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [野 徐](https://appshunter.io/developer/1742671206) | [Jeongmo Kang](https://appshunter.io/developer/1787397407) |

## What reviewers say

### PDFly

[App page](https://appshunter.io/ios/app/pdfly-pdf-editor-and-scanner/id6754668284)

Transform photos and documents into professional PDFs with powerful OCR and editing tools. Manage your files securely and efficiently, online or offline. This app simplifies your document workflow for any use.

**Highlights:** Scan documents to PDF, Convert images to PDF, OCR text recognition, Edit PDF text and add annotations, Secure file management with passwords, Online and offline functionality

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

**In-app purchases:** none


### Memory Test

[App page](https://appshunter.io/ios/app/memory-test-word-recall/id6812324321)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Memory Test Pro | $3.99 | one-time |


## Frequently asked questions

### Is PDFly free?

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

### Is Memory Test free?

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

### Do PDFly or Memory Test have ads?

Both PDFly and Memory Test show ads.

### Which is updated more often, PDFly or Memory Test?

PDFly ships an update every 10 days, and Memory Test every 2 weeks. Most recently, PDFly was updated on October 22, 2026 and Memory Test on October 26, 2026.

---

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