# PDF Notes C vs Trance

The clearest difference is in-app purchases: Trance at none against PDF Notes C's 1. Trance also leads on ads (none vs shown) and update cadence (every 2 days vs every 6 weeks). PDF Notes C's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 17.0). On price there is nothing between them.

Both are free to download. PDF Notes C sells 1 in-app purchase, starting at $0.49 per month. Trance asks for nothing beyond the download.

PDF Notes C ships an update every 6 weeks, Trance every 2 days. The most recent releases landed on September 18, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | PDF Notes C | Trance |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/pdf-notes-c/id1459073729/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 22 MB | 21 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [AMuseTec Co., Ltd.](https://appshunter.io/developer/342152781) | [yusik koh](https://appshunter.io/developer/6788048069) |

## What reviewers say

### PDF Notes C

[App page](https://appshunter.io/ios/app/pdf-notes-c/id1459073729)

This app offers a streamlined PDF viewing experience with a 2-page display, fast page turns, and annotation tools. It also provides quick previews for various file types and a document browser for easy organization.

**Highlights:** 2-page PDF viewer, Fast page turns, Handwriting tools, Document browser, Quick file previews, PDF creation and assembly

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $0.49 | per month |


### Trance

[App page](https://appshunter.io/ios/app/trance-galaxy-focus-timer/id6788048067)

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

**In-app purchases:** none


## Frequently asked questions

### Is PDF Notes C free?

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

### Is Trance free?

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

### Do PDF Notes C or Trance have ads?

PDF Notes C shows ads; Trance does not.

### Which is updated more often, PDF Notes C or Trance?

PDF Notes C ships an update every 6 weeks, and Trance every 2 days. Most recently, PDF Notes C was updated on September 18, 2026 and Trance on September 12, 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.*