# BigPaper vs FocusBlk

The clearest difference is in-app purchases: FocusBlk at none against BigPaper's 1. BigPaper's advantage is update cadence (every 5 days vs fortnightly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. BigPaper sells 1 one-off in-app purchase. FocusBlk asks for nothing beyond the download.

BigPaper ships an update every 5 days, FocusBlk fortnightly. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | BigPaper | FocusBlk |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (20 ratings)](https://appshunter.io/ios/app/bigpaper-mind-map-pdf-markup/id1633929939/reviews)** | — |
| Number of ratings | **20** | — |
| Positive reviews | 26.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 days** | Fortnightly |
| Monetization | Free with in-app purchases | — |
| Size | 253 MB | 4 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [10happy Technology Development(Dalian) Co.,Ltd.](https://appshunter.io/developer/1567148260) | [Jehad Albuyaybi](https://appshunter.io/developer/6801679126) |

## What reviewers say

### BigPaper

[App page](https://appshunter.io/ios/app/bigpaper-mind-map-pdf-markup/id1633929939)

This app offers an infinite canvas for note-taking, PDF annotation, and mind mapping. Import various document formats and add text, handwriting, tables, and more. Efficiently organize and edit content without page limitations.

**Highlights:** Infinite canvas for freeform note-taking, Import and annotate PDFs and other documents, Mind mapping with element connections, Handwriting and drawing tools with Smart Shapes, Table creation and linking, Multi-format document import and export, Screenshot mode for quick content capture

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BigPaper - Full Version Unlock | $8.99 | one-time |


### FocusBlk

[App page](https://appshunter.io/ios/app/focusblk/id6816229638)

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

**In-app purchases:** none


## Frequently asked questions

### Is BigPaper free?

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

### Is FocusBlk free?

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

### Do BigPaper or FocusBlk have ads?

Neither BigPaper nor FocusBlk shows ads.

### Which is updated more often, BigPaper or FocusBlk?

BigPaper ships an update every 5 days, and FocusBlk fortnightly. Most recently, BigPaper was updated on November 3, 2026 and FocusBlk 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.*