# Convert PDF vs Sign PDF Documents & Forms

The clearest difference is update cadence: Sign PDF Documents & Forms at fortnightly against Convert PDF's every 4 months. Convert PDF's advantage is iOS requirement (17.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Convert PDF sells 2 in-app purchases, starting at $1.99 per 7 days and Sign PDF Documents & Forms sells 2 in-app purchases, starting at $12.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Convert PDF ships an update every 4 months, Sign PDF Documents & Forms fortnightly. The most recent releases landed on October 17, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Convert PDF | Sign PDF Documents & Forms |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Fortnightly** |
| Monetization | Freemium | — |
| Size | 11 MB | 28 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Marie-Alix Ayrault](https://appshunter.io/developer/1838322386) | [Yan Ramanovich](https://appshunter.io/developer/6789653776) |

## What reviewers say

### Convert PDF

[App page](https://appshunter.io/ios/app/convert-pdf-scan-and-compress/id6752223742)

This app offers a suite of tools for converting, compressing, and sharing various file types directly on your device. It allows scanning documents, transforming images and videos, and extracting text, all without needing an account or uploading to the cloud.

**Highlights:** Scan documents to PDF, JPG, or PNG, Convert images and PDFs, Compress videos and images, Merge multiple PDFs, Extract text from images (OCR) and PDFs, Create GIFs from photos

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $1.99 | per 7 days |
| Annual | $44.99 | per year |


### Sign PDF Documents & Forms

[App page](https://appshunter.io/ios/app/sign-pdf-documents-and-forms/id6789653774)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $12.99 | per 7 days |
| Annually | $79.99 | per year |


## Frequently asked questions

### Is Convert PDF free?

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

### Is Sign PDF Documents & Forms free?

Sign PDF Documents & Forms is free to download, with in-app purchases available.

### Do Convert PDF or Sign PDF Documents & Forms have ads?

Neither Convert PDF nor Sign PDF Documents & Forms shows ads.

### Which is updated more often, Convert PDF or Sign PDF Documents & Forms?

Convert PDF ships an update every 4 months, and Sign PDF Documents & Forms fortnightly. Most recently, Convert PDF was updated on October 17, 2026 and Sign PDF Documents & Forms on October 21, 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.*