# Notes Writer vs SBinder

The clearest difference is review sentiment: SBinder at 100% against Notes Writer's 45%. SBinder also leads on in-app purchases (none vs 4) and update cadence (daily vs every 4 days). On price, ads and device support there is nothing between them.

Both are free to download. Notes Writer sells 4 in-app purchases, starting at $1.99 per 7 days. SBinder asks for nothing beyond the download.

Notes Writer ships an update every 4 days, SBinder daily. The most recent releases landed on November 5, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Notes Writer | SBinder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (7.3K ratings)](https://appshunter.io/ios/app/notes-writer-pdf-ai-markup/id1423643723/reviews)** | — |
| Number of ratings | **7.3K** | — |
| Positive reviews | 45.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 days | **Daily** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 660 MB | 10 MB |
| Requires iOS | 26.0 | **14.5** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kairoos Solutions SL](https://appshunter.io/developer/978066434) | [Komori Yuta](https://appshunter.io/developer/1086426477) |

## What reviewers say

### Notes Writer

[App page](https://appshunter.io/ios/app/notes-writer-pdf-ai-markup/id1423643723)

This app is a comprehensive note-taking and PDF editing solution for mobile devices. It allows users to write, format, and organize notes, annotate PDFs, fill forms, and scan documents. The app offers advanced editing tools, powerful search, and seamless sharing and export options.

**Highlights:** Write and format notes, Annotate PDFs and fill forms, Organize with unlimited notebooks, Powerful full-text search, Document scanning, Sync with cloud services, Export to multiple formats

**Features:** macOS Compatibility, Family Sharing, Vision Pro support, iPhone Duo support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $1.99 | per 7 days |
| Notes Writer Unlock All and AI | $3.99 | per month |
| Notes Writer Unlock All and AI | $14.99 | per year |
| Lifetime Pro Full Unlock | $14.99 | one-time |

**What reviewers like**

- 🚀 Smooth writing experience
- 💡 Versatile note-taking features
- 🔒 Good privacy
- 👍 Useful for various purposes (notes, PDF annotations, etc.)

**What reviewers complain about**

- 🐛 Crashes and freezes
- 🔒 Limiting free version with paywalls
- 🐛 Bugs with erasing, page management, and file corruption
- 🐛 Laggy performance and slow loading times

**Reported bugs**

- Notes randomly disappearing or getting corrupted
- Inability to recover deleted documents
- Unexpected behavior when adding/deleting pages
- Syncing issues and broken links between documents

**Requested features**

- Add more brushes and pen customization options
- Improve the clipping/selection tool
- Implement OCR and handwriting search
- Provide a Mac version


### SBinder

[App page](https://appshunter.io/ios/app/sbinder/id1570203953)

Organize all your school work in one place. Quickly add and manage pictures, class notes, and assignments efficiently. Annotate images with various colors and brushes to keep track of important details.

**Highlights:** Add pictures like a school binder, Organize classes and notes, Manage assignments efficiently, Tag pictures for reminders, Annotate pictures with colors and brushes

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Notes Writer free?

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

### Is SBinder free?

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

### Do Notes Writer or SBinder have ads?

Neither Notes Writer nor SBinder shows ads.

### Which is updated more often, Notes Writer or SBinder?

Notes Writer ships an update every 4 days, and SBinder daily. Most recently, Notes Writer was updated on November 5, 2026 and SBinder on November 3, 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.*