# PDFlexor vs PDFToolbox

The clearest difference is update cadence: PDFlexor at every 3 days against PDFToolbox's every 7 months. PDFlexor also leads on iOS requirement (13.0 vs 15.0). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. PDFlexor sells 4 in-app purchases, starting at $1.99 per 7 days and PDFToolbox sells 3 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for PDFlexor against 5.0 for PDFToolbox. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

PDFlexor ships an update every 3 days, PDFToolbox every 7 months. The most recent releases landed on August 20, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | PDFlexor | PDFToolbox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/pdflexor-pdf-editor-tools/id6502285909/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/pdftoolbox-converterwatermark/id6744648102/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 7 months |
| Monetization | Freemium | Free with in-app purchases |
| Size | 45 MB | 8 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Huizhou Jiqu Technology Co., Ltd.](https://appshunter.io/developer/1308118506) | [钊辰 王](https://appshunter.io/developer/1791406641) |

## What reviewers say

### PDFlexor

[App page](https://appshunter.io/ios/app/pdflexor-pdf-editor-tools/id6502285909)

Edit, convert, and organize PDF documents with a secure, all-in-one toolkit. Features include merging, splitting, page reordering, and conversion to various formats, with most operations processed locally for enhanced privacy.

**Highlights:** Merge and split PDF files, Extract, delete, and reorder pages, Convert PDFs to/from various formats, Crop and resize PDF pages, Compress PDF file size, Local processing for enhanced security

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Membership | $1.99 | per 7 days |
| Monthly Membership | $3.99 | per month |
| Annual Membership | $14.99 | per year |
| Life Membership | $29.99 | one-time |


### PDFToolbox

[App page](https://appshunter.io/ios/app/pdftoolbox-converterwatermark/id6744648102)

This app offers a suite of tools for local PDF processing, including converting PDFs to images and vice versa, adding text watermarks, and encrypting/decrypting documents with passwords. It prioritizes user privacy by performing all operations on the device without internet access.

**Highlights:** Convert PDF to Image (JPG, PNG, GIF), Convert Image to PDF, Add custom text watermarks, Encrypt PDFs with passwords, Remove PDF password protection, Batch export and multi-image processing

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $0.99 | per 7 days |
| Yearly | $9.99 | per year |
| Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is PDFlexor free?

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

### Is PDFToolbox free?

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

### Which has better reviews, PDFlexor or PDFToolbox?

PDFlexor and PDFToolbox are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do PDFlexor or PDFToolbox have ads?

Neither PDFlexor nor PDFToolbox shows ads.

### Which is updated more often, PDFlexor or PDFToolbox?

PDFlexor ships an update every 3 days, and PDFToolbox every 7 months. Most recently, PDFlexor was updated on August 20, 2026 and PDFToolbox on June 1, 2026.

---

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