# Sign PDF Documents vs OneTapForms

The clearest difference is in-app purchases: Sign PDF Documents at none against OneTapForms's 2. OneTapForms's advantage is update cadence (every 3 weeks vs every 6 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. OneTapForms sells 2 in-app purchases, starting at $9.99 per month. Sign PDF Documents asks for nothing beyond the download.

Sign PDF Documents ships an update every 6 months, OneTapForms every 3 weeks. The most recent releases landed on September 10, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Sign PDF Documents | OneTapForms |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (10 ratings)](https://appshunter.io/ios/app/sign-pdf-documents-easysigner/id6753874595/reviews)** | — |
| Number of ratings | **10** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 73 MB | 5 MB |
| Requires iOS | **16.4** | 16.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [OneRack](https://appshunter.io/developer/1792950973) | [CREATELEX LLC](https://appshunter.io/developer/542282279) |

## What reviewers say

### Sign PDF Documents

[App page](https://appshunter.io/ios/app/sign-pdf-documents-easysigner/id6753874595)

Easily add your signature to PDF and image files without printing or scanning. Fill out forms, add text, and make edits with speed and precision. Manage multiple signatures and access all your signed documents securely.

**Highlights:** Add signatures to PDFs and images, Fill out forms with text fields, Create and manage multiple signatures, Automatically saves progress, Edit PDFs and images, Securely store signed files

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

**In-app purchases:** none


### OneTapForms

[App page](https://appshunter.io/ios/app/onetapforms/id6756935701)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic Plan | $9.99 | per month |
| OneTapForms Pro | $29.99 | per month |


## Frequently asked questions

### Is Sign PDF Documents free?

Sign PDF Documents is free to download, with no in-app purchases.

### Is OneTapForms free?

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

### Do Sign PDF Documents or OneTapForms have ads?

Neither Sign PDF Documents nor OneTapForms shows ads.

### Which is updated more often, Sign PDF Documents or OneTapForms?

Sign PDF Documents ships an update every 6 months, and OneTapForms every 3 weeks. Most recently, Sign PDF Documents was updated on September 10, 2026 and OneTapForms on September 19, 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.*