h2Dr vs Perspectify
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
h2Dr
This app enhances a drawing book by linking printed pages to online video tutorials. Readers can use their devices to access over 10 hours of advanced video content, keeping the educational material current with rapidly advancing techniques.
- AR trigger image integration
- Direct link to online tutorials
- Over 10 hours of video content
- Updates with advancing techniques
- Companion app for a physical book
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This is the companion app for the new Design Studio Press book: How to Draw. Enhancing the learning experience, this app has been created to allow readers to use trigger images on pages to link directly to online tutorials via their iPhones and iPads. Using advanced video techniques, this app connects the printed matter to online digital educational content as never before, and insures that the book remains as current as the rapidly advancing techniques presented in How to Draw. Over 10 hours of video content have been created to accompany the book. A physical copy of How to Draw is required to get the most out of the h2Dr app. Additionally, an internet connection is required to view the video content. You can get your copy of the How to Draw book by visiting: http://designstudiopress.com For downloadable examples of the Trackers and for a demo video, please visit: http://scottrobertsonworkshops.com/h2dr/trackers/ Our Privacy Policy can be viewed in-app or at: https://designstudiopress.com/policies/privacy-policy/
Perspectify
This app helps artists draw from life by using your phone's camera to measure real-world angles. You can then transfer these measurements directly to your paper, improving drawing accuracy and streamlining your creative process.
- Real-time angle capturing
- Transfer angles to paper
- Simple and intuitive interface
- Designed for traditional art
- Improve drawing accuracy
- Streamline drawing process
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Perspectify: A Tool for Artists Free 30 day trial. Perspectify is a straightforward app designed for artists who draw from life. It utilizes your iPhone camera to help you measure angles in your environment, which you can then transfer directly to your paper. How It Works 1. Identify an Angle: Use your phone's camera to capture an angle you'd like to include in your drawing. 2. Sketch it Out: Lay your phone on your paper as a guide for drawing the angle. 3. Repeat for all the angles you want to draw. Features Accurate Angle Measurements: Real-time angle capturing for better drawing accuracy. Simple Interface: Intuitive design that's easy to use. Designed for Traditional Art: Specifically made for artists who use paper, pens, and pencils. Why Use Perspectify? Improve Accuracy: Make your drawings more precise with captured angles. Convenient: Your iPhone becomes a handy drawing assistant. Streamline Your Process: Make your drawing process more efficient. Perspectify aims to bring a small but meaningful enhancement to your urban sketching. Use of this app is covered by this EULA... https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is rating: Perspectify at 5.0 against h2Dr's 3.6. Perspectify also leads on update cadence (daily vs every 4 months). h2Dr's advantage is in-app purchases (none vs 2) and ratings volume (9 vs 1). On price, ads, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Perspectify sells 2 one-off in-app purchases. h2Dr asks for nothing beyond the download.
Perspectify holds the better App Store score, 5.0 against 3.6. That said, the two scores are not equally well evidenced: h2Dr has 9 ratings behind it against 1, so its average is the more settled of the two.
h2Dr ships an update every 4 months, Perspectify daily. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.
| Parameter | h2Dr | Perspectify |
|---|---|---|
| Price | Free | Free |
| Rating | 3.6 (9 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 37.1% of reviews | — |
| Number of ratings | 9 — better | 1 |
| Update frequency | Every 4 months | Daily — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 147 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Design Studio Press | David Walden |
Bugs and requests
h2Dr
Reported bugs
18 issues- No sound in videos
- App freezes or crashes
- Camera not activating or black screen
- Page recognition issues
- Videos not playing
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- App not working on newer iOS versions
- Tracker not recognized
- On-screen controls not working
- Black camera bug
- Camera freezes under iPad iOS 12.1.1
- App crashes every time it's opened
- Blank screen on startup
- Cannot access camera with proper settings
- App crashes and has random problems
- Videos don't play when play buttons are pressed
- Videos look ready to play but don't
- App stopped working after iOS update
- Augmented reality 3d models are vibrating and jittery
Requested features
4 requests- Add Japanese subtitles
- Provide a simple menu for videos
- Update for newer iOS versions
- Fix bugs and improve stability
Perspectify
Not enough reviews yet to summarise bugs or requests.
In-app purchases
h2Dr
No in-app purchases
Perspectify
- 30-day Trial.Free
- Buy Perspectify$1.99
