# Image to PDF Fast vs Convertify PDF

The clearest difference is update cadence: Convertify PDF at weekly against Image to PDF Fast's every 2 months. Convertify PDF also leads on iOS requirement (16.0 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Image to PDF Fast sells 1 one-off in-app purchase and Convertify PDF sells 6 in-app purchases, starting at $0.49 per 7 days. Whichever you choose, the download price is not the number that matters.

Image to PDF Fast ships an update every 2 months, Convertify PDF weekly. The most recent releases landed on October 17, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Image to PDF Fast | Convertify PDF |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (1 ratings)](https://appshunter.io/ios/app/convertify-pdf-converter-edit/id6748746222/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 10 MB | 38 MB |
| Requires iOS | 18.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Giuseppe Travasoni](https://appshunter.io/developer/574457696) | [Baris Bingor](https://appshunter.io/developer/1634613310) |

## What reviewers say

### Image to PDF Fast

[App page](https://appshunter.io/ios/app/image-to-pdf-fast/id6747825691)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Lifetime | $0.99 | one-time |


### Convertify PDF

[App page](https://appshunter.io/ios/app/convertify-pdf-converter-edit/id6748746222)

This app allows users to convert images and documents into PDFs, scan physical documents, and fill out PDF forms. It offers features like OCR for text extraction and smart compression for smaller file sizes, all while prioritizing on-device processing for privacy.

**Highlights:** Image to PDF conversion, Word DOCX to PDF conversion, Document scanning with edge detection, OCR text extraction to PDF, PDF form filling and signing, Page and file management, Smart file compression

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Access! | $0.49 | per 7 days |
| Unlimited Access! | $0.99 | per 7 days |
| Unlimited Access | $0.99 | per 7 days |
| Unlimited Access! | $1.99 | per month |
| Unlimited Access! | $19.99 | per year |
| Unlimited Access | $19.99 | per year |


## Frequently asked questions

### Is Image to PDF Fast free?

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

### Is Convertify PDF free?

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

### Do Image to PDF Fast or Convertify PDF have ads?

Neither Image to PDF Fast nor Convertify PDF shows ads.

### Which is updated more often, Image to PDF Fast or Convertify PDF?

Image to PDF Fast ships an update every 2 months, and Convertify PDF weekly. Most recently, Image to PDF Fast was updated on October 17, 2026 and Convertify PDF on October 16, 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.*