# iWriter Pro vs PDF Indexer

The clearest difference is price: PDF Indexer at Free against iWriter Pro's $5.99. PDF Indexer also leads on update cadence (every 2 days vs every 3 months) and rating (5.0 vs 4.7). iWriter Pro's advantage is ads (none vs shown) and ratings volume (132 vs 2). On in-app purchases and device support there is nothing between them.

PDF Indexer is free to download; iWriter Pro costs $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

PDF Indexer holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: iWriter Pro has 132 ratings behind it against 2, so its average is the more settled of the two.

iWriter Pro ships an update every 3 months, PDF Indexer every 2 days. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | iWriter Pro | PDF Indexer |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| Rating | [4.7 (132 ratings)](https://appshunter.io/ios/app/iwriter-pro/id892374380/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/pdf-indexer/id6799589624/reviews)** |
| Number of ratings | **132** | 2 |
| Positive reviews | 68.5% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 2 days** |
| Monetization | **Free** | Ad-supported |
| Size | 20 MB | 53 MB |
| Requires iOS | 26 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Serpensoft Group](https://appshunter.io/developer/321979768) | [MATTHEW BYONG BAE](https://appshunter.io/developer/6776132813) |

## What reviewers say

### iWriter Pro

[App page](https://appshunter.io/ios/app/iwriter-pro/id892374380)

A minimalist text editor with robust Markdown support and distraction-free writing. It offers iCloud sync, live syntax highlighting, and various export options for documents.

**Highlights:** Clean and minimal interface, iCloud sync, Live Markdown syntax highlighting, HTML Preview, Typewriter mode, Document Browser with tags, Export to HTML, PDF, EPUB, DOCX, and more

**In-app purchases:** none

**What reviewers like**

- ✨ Simple and clean interface
- 🚀 Fast and efficient performance
- ✍️ Distraction-free writing experience
- 💡 Good value for money
- 🔄 Seamless iCloud sync

**What reviewers complain about**

- 🐛 Occasional crashes and freezes
- 🔋 High battery consumption (iCloud sync)
- 🐛 Data loss or corruption issues
- 🐛 Syncing problems (iCloud, Dropbox)
- 🐛 Exported DOCX files have restrictions

**Reported bugs**

- App crashes and freezes frequently
- Data loss or corruption during editing/syncing
- iCloud and Dropbox sync issues
- Exported DOCX files are not fully compatible
- Autocorrect option is confusingly named

**Requested features**

- Add table support (Markdown)
- Allow reordering of shortcuts
- Cycle visibility on headings using Tab
- Add Mark Set and cut region
- Wordpress export


### PDF Indexer

[App page](https://appshunter.io/ios/app/pdf-indexer/id6799589624)

This app creates fast navigation for PDFs by turning title-to-page mappings into searchable indexes. It allows you to import mappings from various file formats and opens directly to the mapped page within the PDF. All data is stored locally on your device for privacy.

**Highlights:** Search across multiple indexed PDFs, Exact, prefix, substring, and alias matching, Jump directly to mapped pages, Import mappings from CSV, JSON, XLSX, and text, Page-offset calibration, Mapping correction and export, Local-first data storage

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

**In-app purchases:** none


## Frequently asked questions

### Is iWriter Pro free?

iWriter Pro costs $5.99, with no in-app purchases.

### Is PDF Indexer free?

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

### Which has better reviews, iWriter Pro or PDF Indexer?

PDF Indexer is rated higher. iWriter Pro averages 4.7 out of 5 from 132 ratings, while PDF Indexer averages 5.0 from 2 ratings.

### Do iWriter Pro or PDF Indexer have ads?

PDF Indexer shows ads; iWriter Pro does not.

### Which is updated more often, iWriter Pro or PDF Indexer?

iWriter Pro ships an update every 3 months, and PDF Indexer every 2 days. Most recently, iWriter Pro was updated on November 1, 2026 and PDF Indexer on October 31, 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.*