# IHM vs Drawboard PDF Annotate, Markup

The clearest difference is in-app purchases: IHM at none against Drawboard PDF Annotate, Markup's 8. IHM also leads on iOS requirement (15.0 vs 17.0). Drawboard PDF Annotate, Markup's advantage is update cadence (weekly vs every 6 months). On price, 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. IHM asks for nothing beyond the download.

IHM ships an update every 6 months, Drawboard PDF Annotate, Markup weekly. The most recent releases landed on September 18, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | IHM | Drawboard PDF Annotate, Markup |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (1.9K ratings)](https://appshunter.io/ios/app/drawboard-pdf-annotate-markup/id1086503728/reviews)** |
| Number of ratings | — | **1.9K** |
| Positive reviews | — | 64.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 7 MB | 96 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Aecio Teixeira](https://appshunter.io/developer/898658347) | [Drawboard Pty Ltd](https://appshunter.io/developer/1081203672) |

## What reviewers say

### IHM

[App page](https://appshunter.io/ios/app/ihm/id1035170049)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is IHM free?

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

### Is Drawboard PDF Annotate, Markup free?

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

### Do IHM or Drawboard PDF Annotate, Markup have ads?

Neither IHM nor Drawboard PDF Annotate, Markup shows ads.

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

IHM ships an update every 6 months, and Drawboard PDF Annotate, Markup weekly. Most recently, IHM was updated on September 18, 2026 and Drawboard PDF Annotate, Markup on October 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.*