# Sign documents vs Doc Fill

The clearest difference is ads: Doc Fill at none against Sign documents's shown. Doc Fill also leads on device support (3 vs 1) and iOS requirement (15.0 vs 18.2). On price, update cadence and in-app purchases there is nothing between them.

Both are free to download. Sign documents sells 3 in-app purchases, starting at $1.99 per month and Doc Fill sells 5 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Sign documents ships an update weekly, Doc Fill every 4 days. The most recent releases landed on October 28, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Sign documents | Doc Fill |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sign-documents-swiftsign/id6758965643/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Weekly | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 16 MB | 51 MB |
| Requires iOS | 18.2 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Nawal Amallou](https://appshunter.io/developer/1507194394) | [DGL Factor](https://appshunter.io/developer/6801650956) |

## What reviewers say

### Sign documents

[App page](https://appshunter.io/ios/app/sign-documents-swiftsign/id6758965643)

This app allows you to quickly and securely sign digital documents like PDFs, contracts, and forms. It offers various signature styles, a document scanner, and instant sharing options, eliminating the need for printing or faxing. Sign documents on the go with bank-level encryption for legally binding results.

**Highlights:** Sign PDFs and documents on the go, Create professional electronic signatures, Scan and sign paper documents, Multiple signature styles (draw, type, upload), Secure and legally binding signatures, Share signed documents instantly, Offline signing capability

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SwiftSign Pro | $1.99 | per month |
| SwiftSign Pro | $9.99 | per year |
| 10 Credits | $2.99 | one-time |


### Doc Fill

[App page](https://appshunter.io/ios/app/doc-fill/id6803170101)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $2.99 | per month |
| Premium Year | $24.99 | per year |
| 100 Credits | $0.99 | one-time |
| 300 Credits | $2.49 | one-time |
| 1000 Credits | $6.99 | one-time |


## Frequently asked questions

### Is Sign documents free?

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

### Is Doc Fill free?

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

### Do Sign documents or Doc Fill have ads?

Sign documents shows ads; Doc Fill does not.

### Which is updated more often, Sign documents or Doc Fill?

Sign documents ships an update weekly, and Doc Fill every 4 days. Most recently, Sign documents was updated on October 28, 2026 and Doc Fill on October 29, 2026.

---

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