# pdfFiller vs Fill & Sign PDF Documents App

pdfFiller and Fill & Sign PDF Documents App both sit at 4.5 stars, but that hides the real split: 100% of Fill & Sign PDF Documents App's written reviews are positive against 20% of pdfFiller's. Fill & Sign PDF Documents App also leads on update cadence (daily vs fortnightly). pdfFiller's advantage is ratings volume (9.2K vs 11) and chart position (#54 vs unranked). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. pdfFiller sells 10 in-app purchases, starting at $19.99 per month and Fill & Sign PDF Documents App sells 1 in-app purchase, starting at $6.99 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 — 4.5 for pdfFiller against 4.5 for Fill & Sign PDF Documents App. That said, the two scores are not equally well evidenced: pdfFiller has 9.2K ratings behind it against 11, so its average is the more settled of the two. Written reviews are what separate them: 20% of pdfFiller's written reviews are positive against 100% of Fill & Sign PDF Documents App's.

pdfFiller ships an update fortnightly, Fill & Sign PDF Documents App daily. The most recent releases landed on October 31, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | pdfFiller | Fill & Sign PDF Documents App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (9.2K ratings)](https://appshunter.io/ios/app/pdffiller-edit-pdf-documents/id571613512/reviews) | **[4.5 (11 ratings)](https://appshunter.io/ios/app/fill-and-sign-pdf-documents-app/id6677020973/reviews)** |
| Number of ratings | **9.2K** | 11 |
| Positive reviews | 20.2% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Daily** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | **#54** | — |
| Size | 178 MB | 13 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [airSlate, Inc.](https://appshunter.io/developer/565493707) | [Jay Clauer](https://appshunter.io/developer/1844912065) |

## What reviewers say

### pdfFiller

[App page](https://appshunter.io/ios/app/pdffiller-edit-pdf-documents/id571613512)

**Currently charting:** #54 Top Grossing · Business (US App Store)

This app transforms your device into a mobile office for managing PDF documents. Edit, eSign, and fill out forms, then share or export them. It offers secure storage and access to millions of templates, with offline capabilities.

**Highlights:** Edit PDF documents, Esign and fill out forms, Share and collaborate on documents, Securely store unlimited documents, Access millions of fillable templates, Work offline

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PDF editor • Basic Monthly | $19.99 | per month |
| PDF editor • Basic Monthly | $19.99 | per month |
| PDF editor • Plus Monthly | $29.99 | per month |
| PDF editor • Plus Monthly | $29.99 | per month |
| PDF editor • Premium Monthly | $39.99 | per month |
| Premium Monthly | $39.99 | per month |
| PDF editor • Basic Annual | $95.99 | per year |
| PDF editor • Basic Annual | $95.99 | per year |
| PDF editor • Plus Annual | $119.99 | per year |
| PDF editor • Premium Annual | $179.99 | per year |

**What reviewers like**

- 👍 Easy to use
- 🚀 Makes virtual work easy
- 💡 Great customer service/support
- 👍 Simple and organized
- 👍 Helpful for PDF management

**What reviewers complain about**

- 🐛 Buggy and glitchy
- 💰 Expensive subscription
- 🔒 Concerns about privacy and security
- 🤥 Misleading/deceptive advertising
- 🔒 Difficult to cancel subscription

**Reported bugs**

- Text/annotations not saving correctly
- Freezing/crashing issues
- Incompatibility with certain devices
- Login/account issues

**Requested features**

- Undo/redo functionality
- Ability to control opacity of annotations
- Better file management options
- Improved mobile experience
- Clearer pricing and subscription details


### Fill & Sign PDF Documents App

[App page](https://appshunter.io/ios/app/fill-and-sign-pdf-documents-app/id6677020973)

Easily sign and import any document using your phone. Create your electronic signature with your finger and apply it to forms. This tool transforms your device into a powerful digital signing solution.

**Highlights:** Edit and fill out documents, Create electronic signatures, Sign documents easily, Import documents

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Access to additional functions | $6.99 | per 7 days |


## Frequently asked questions

### Is pdfFiller free?

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

### Is Fill & Sign PDF Documents App free?

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

### Which has better reviews, pdfFiller or Fill & Sign PDF Documents App?

Fill & Sign PDF Documents App is rated higher. pdfFiller averages 4.5 out of 5 from 9.2K ratings, while Fill & Sign PDF Documents App averages 4.5 from 11 ratings.

### Do pdfFiller or Fill & Sign PDF Documents App have ads?

Neither pdfFiller nor Fill & Sign PDF Documents App shows ads.

### Which is updated more often, pdfFiller or Fill & Sign PDF Documents App?

pdfFiller ships an update fortnightly, and Fill & Sign PDF Documents App daily. Most recently, pdfFiller was updated on October 31, 2026 and Fill & Sign PDF Documents App on October 27, 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.*