# PDF Notes S vs Count

The clearest difference is in-app purchases: Count at none against PDF Notes S's 2. Count also leads on ads (none vs shown). PDF Notes S's advantage is iOS requirement (13.0 vs 15.5). On price, update cadence and device support there is nothing between them.

Both are free to download. PDF Notes S sells 2 in-app purchases, starting at $0.99 per month. Count asks for nothing beyond the download.

PDF Notes S ships an update every 6 weeks, Count monthly. The most recent releases landed on June 10, 2026 and May 15, 2026 respectively.

## The numbers

| Metric | PDF Notes S | Count |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (5 ratings)](https://appshunter.io/ios/app/pdf-notes-s/id961336139/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 52.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Monthly** |
| Monetization | Free with in-app purchases | — |
| Size | 22 MB | 6 MB |
| Requires iOS | **13.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [AMuseTec Co., Ltd.](https://appshunter.io/developer/342152781) | [Krishan Malhotra](https://appshunter.io/developer/1614487131) |

## What reviewers say

### PDF Notes S

[App page](https://appshunter.io/ios/app/pdf-notes-s/id961336139)

This app offers a dual-page PDF viewer with smooth scrolling and fast page turns. It also provides document management, quick previews of various file types, and annotation tools. An upgrade removes ads and unlocks full functionality.

**Highlights:** Dual-page PDF viewer, Horizontal/vertical scroll and page turns, Document browser for file organization, Quick Look for various file types, ZIP file preview without unzipping, 8 handwriting tools, Cache manager for fast page turns

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $0.99 | per month |
| Yearly Plan | $9.99 | per year |


### Count

[App page](https://appshunter.io/ios/app/count-numerical-computation/id1614487129)

**In-app purchases:** none


## Frequently asked questions

### Is PDF Notes S free?

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

### Is Count free?

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

### Do PDF Notes S or Count have ads?

PDF Notes S shows ads; Count does not.

### Which is updated more often, PDF Notes S or Count?

PDF Notes S ships an update every 6 weeks, and Count monthly. Most recently, PDF Notes S was updated on June 10, 2026 and Count on May 15, 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.*