# WriteOn vs Merge PDF

The clearest difference is price: Merge PDF at Free against WriteOn's $4.99. Merge PDF also leads on rating (4.8 vs 3.3) and review sentiment (87% vs 50%). WriteOn's advantage is in-app purchases (none vs 9) and ads (none vs shown). On device support there is nothing between them.

Merge PDF is free to download; WriteOn costs $4.99 up front. Merge PDF sells 9 in-app purchases, starting at $2.99 per 7 days. WriteOn asks for nothing beyond the download.

Merge PDF holds the better App Store score, 4.8 against 3.3. That said, the two scores are not equally well evidenced: Merge PDF has 350 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 50% of WriteOn's written reviews are positive against 87% of Merge PDF's.

WriteOn ships an update monthly, Merge PDF weekly. The most recent releases landed on October 3, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | WriteOn | Merge PDF |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | [3.3 (3 ratings)](https://appshunter.io/ios/app/writeon/id928746793/reviews) | **[4.8 (350 ratings)](https://appshunter.io/ios/app/merge-pdf-combine-pdf/id1613323089/reviews)** |
| Number of ratings | 3 | **350** |
| Positive reviews | 50.0% of reviews | **87.4% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Weekly** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 6 MB | 31 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Pink Zombie Studios Inc.](https://appshunter.io/developer/1559742330) | [talha rehman](https://appshunter.io/developer/1573036144) |

## What reviewers say

### WriteOn

[App page](https://appshunter.io/ios/app/writeon/id928746793)

This app helps writers manage and track their creative writing projects, from novels to short stories. Set word count and date targets, monitor daily progress, and organize chapters. Share your achievements on social media or back up your work securely.

**Highlights:** Manage multiple writing projects, Track daily word count and project progress, Organize individual chapters, Set target dates and word counts, Backup and restore projects, Customizable day/night modes

**Features:** macOS Compatibility

**In-app purchases:** none


### Merge PDF

[App page](https://appshunter.io/ios/app/merge-pdf-combine-pdf/id1613323089)

This app offers a comprehensive suite of tools for managing PDF documents. It allows users to merge, split, compress, convert, and secure PDFs, making document handling efficient for various needs. The app prioritizes user privacy by processing files locally on the device.

**Highlights:** Merge PDF files, Split PDF files, Compress PDF files, Convert PDF to PNG, Image to PDF conversion, Lock and unlock PDFs, Rearrange and delete PDF pages

**Features:** Vision Pro support

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3-Day Free Trial - Weekly | $2.99 | per 7 days |
| Premium User - Weekly | $2.99 | per 7 days |
| Premium User - Weekly | $3.99 | per 7 days |
| Premium User - 1 Month | $5.99 | per month |
| Premium User - 3 Month | $6.99 | per 3 months |
| Premium User - Yearly | $29.99 | per year |
| Premium User - Yearly | $29.99 | per year |
| Gets Ads Free Version | $2.99 | one-time |
| Premium user - Lifetime | $99.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Quick and efficient
- 💯 Works as expected
- 🆓 Free app with great features
- 🤩 Excellent for beginners

**What reviewers complain about**

- 🐛 Occasional crashes
- 📢 Too many ads
- 🔍 Issues with aspect ratio and layout
- 🔒 Requires internet connection
- 🔄 Reverse order of added PDFs

**Reported bugs**

- Crashes from start
- Deleting information from documents
- Hyperlinks not working

**Requested features**

- Add PDF rotation tool
- Improve PDF layout and formatting
- Enhance share functionality
- Add PDF inversion feature


## Frequently asked questions

### Is WriteOn free?

WriteOn costs $4.99, with no in-app purchases.

### Is Merge PDF free?

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

### Which has better reviews, WriteOn or Merge PDF?

Merge PDF is rated higher. WriteOn averages 3.3 out of 5 from 3 ratings, while Merge PDF averages 4.8 from 350 ratings.

### Do WriteOn or Merge PDF have ads?

Merge PDF shows ads; WriteOn does not.

### Which is updated more often, WriteOn or Merge PDF?

WriteOn ships an update monthly, and Merge PDF weekly. Most recently, WriteOn was updated on October 3, 2026 and Merge PDF on October 19, 2026.

---

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