# PDF Notes S vs Schedulr, Schedule app

The clearest difference is in-app purchases: Schedulr, Schedule app at none against PDF Notes S's 2. Schedulr, Schedule app also leads on ads (none vs shown) and update cadence (every 2 weeks vs every 6 weeks). On price, device support and iOS requirement there is nothing between them.

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

PDF Notes S ships an update every 6 weeks, Schedulr, Schedule app every 2 weeks. The most recent releases landed on October 7, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | PDF Notes S | Schedulr, Schedule app |
| --- | --- | --- |
| 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 | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 22 MB | 55 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [AMuseTec Co., Ltd.](https://appshunter.io/developer/342152781) | [Bigly Sales LLC](https://appshunter.io/developer/1638063713) |

## 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 |


### Schedulr, Schedule app

[App page](https://appshunter.io/ios/app/schedulr-schedule-app/id6544782567)

**Features:** macOS Compatibility

**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 Schedulr, Schedule app free?

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

### Do PDF Notes S or Schedulr, Schedule app have ads?

PDF Notes S shows ads; Schedulr, Schedule app does not.

### Which is updated more often, PDF Notes S or Schedulr, Schedule app?

PDF Notes S ships an update every 6 weeks, and Schedulr, Schedule app every 2 weeks. Most recently, PDF Notes S was updated on October 7, 2026 and Schedulr, Schedule app on October 5, 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.*