# Drawboard PDF Annotate, Markup vs Camera Stacks

The clearest difference is in-app purchases: Camera Stacks at none against Drawboard PDF Annotate, Markup's 8. Camera Stacks also leads on iOS requirement (15.1 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Drawboard PDF Annotate, Markup sells 8 in-app purchases, starting at $5.99 per month. Camera Stacks asks for nothing beyond the download.

Drawboard PDF Annotate, Markup ships an update every 11 days, Camera Stacks every 6 days. The most recent releases landed on October 15, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Drawboard PDF Annotate, Markup | Camera Stacks |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (2K ratings)](https://appshunter.io/ios/app/drawboard-pdf-annotate-markup/id1086503728/reviews)** | — |
| Number of ratings | **2K** | — |
| Positive reviews | 64.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 11 days | **Every 6 days** |
| Monetization | Free with in-app purchases | — |
| Size | 97 MB | 24 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Drawboard Pty Ltd](https://appshunter.io/developer/1081203672) | [EDISON BOTOR](https://appshunter.io/developer/1790989988) |

## What reviewers say

### Drawboard PDF Annotate, Markup

[App page](https://appshunter.io/ios/app/drawboard-pdf-annotate-markup/id1086503728)

Enhance your PDF workflow with powerful annotation and markup tools. This app offers a dynamic and intuitive experience for editing, drawing, and adding text to your documents. Access your work across multiple devices and collaborate in real-time.

**Highlights:** Dynamic PDF annotation tools, Cross-platform access and cloud sync, Real-time collaboration, Insert text, images, lines, and shapes, Convert images to PDF, Redact sensitive information (Pro), Measurement tools (Pro)

**Features:** Vision Pro support

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Lite | $5.99 | per month |
| Pro Plus | $9.99 | per month |
| Pro Unlimited | $18.99 | per month |
| Pro Lite | $49.99 | per year |
| Pro Plus | $83.90 | per year |
| Pro Unlimited | $159.99 | per year |
| Pro Plus | $10.00 | one-time |
| Pro Unlimited | $20.00 | one-time |

**What reviewers like**

- 🚀 Excellent PDF annotation tools
- 👍 Convenient cross-platform sync
- 🚀 Fast and responsive
- 👍 Great for students and professionals
- 🚀 Smooth writing experience with Apple Pencil

**What reviewers complain about**

- 🐛 Occasional crashes and bugs
- 🔒 Cloud storage limitations
- 💰 Expensive subscription model
- 🔍 Missing search and bookmark features
- 🔧 Inconsistent functionality between platforms

**Reported bugs**

- Annotations not syncing properly between devices
- Unexpected loss of work and unsaved changes
- Scrolling and page navigation issues
- Compatibility problems with certain PDF files
- Text input box disappearing after scrolling

**Requested features**

- Add page flattening and form filling options
- Improve eraser tool and precision
- Implement a dark mode
- Provide better organization and folder support
- Add more customization options for tools and UI


### Camera Stacks

[App page](https://appshunter.io/ios/app/camera-stacks/id6741139330)

**In-app purchases:** none


## Frequently asked questions

### Is Drawboard PDF Annotate, Markup free?

Drawboard PDF Annotate, Markup is free to download, with in-app purchases available.

### Is Camera Stacks free?

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

### Do Drawboard PDF Annotate, Markup or Camera Stacks have ads?

Neither Drawboard PDF Annotate, Markup nor Camera Stacks shows ads.

### Which is updated more often, Drawboard PDF Annotate, Markup or Camera Stacks?

Drawboard PDF Annotate, Markup ships an update every 11 days, and Camera Stacks every 6 days. Most recently, Drawboard PDF Annotate, Markup was updated on October 15, 2026 and Camera Stacks 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.*