See Value vs Head Study
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
See Value
Visualize the lightness of colors in real-time through your camera or convert existing photos to grayscale. This tool helps artists train their eyes to perceive value and aids in creating quick sketches with specialized grayscale filters.
- View exact color lightness in camera view
- Convert photos to grayscale
- Apply various grayscale filters
- Switch between grayscale and color mode
- Save converted photos to library
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Note: This app does not show anything related to monetary value See the exact value (aka lightness of color) of the scene viewed with the camera. Or convert photos from your Photo Library to grayscale. Train your eye to see colors in value. Apply one of the grayscale filters to see main contour lines for drawing quick sketches. Helpful in sketching and other forms of grayscale art. Features: * ability to see the exact value of a given point in the camera view, or in a photo * ability to convert photos to grayscale and save them back to the Photo Library (note: this functionality is available as an in-app purchase) * grayscale filter selection: 2-level (black & white), 3-level, 4-level and and Continuum (continuous grayscale spectrum) * double-tap to switch between grayscale and color mode
Head Study
This app provides artists with a 3D reference for understanding human anatomy and facial forms. It features simplified planes, a skull model, and adjustable lighting to aid in portraiture studies. Enhance your knowledge of the human form by exploring what lies beneath the surface.
- Simplified planes of the head model
- Anatomically correct male skull model
- 360-degree 3D model manipulation
- Adjustable lighting
- Switchable anatomical views
- Informational overlay with structural insights
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Artists have always needed a quick and easy reference to help them understand the anatomy & forms of their portrait models. The Head Study App, is that resource. These portrait models were created to make the study of portraiture easier, but also to enhance your knowledge of the human form. The appearance of the face can be understood best by studying what is underneath the surface. The simplified planar head and the skull in this app are made with the same proportion to make this comparison as clear as possible. FEATURES: + Simplified “planes of the head” model + Anatomically correct male skull model + Tumble and zoom the 3D model from 360 degrees + Adjust the position & strength of multiple lighting situations + Switch between simplified planes, skull, and muscular views + Toggle an informational overlay indicating, key structural features, or anatomical insights + Adjustable background value This app was developed to go along with the lessons on my Patreon page. If you have interest in learning to draw and paint portraits better you can find all of my lessons at: patreon.com/StephenBaumanArtwork Any questions? Contact us at: stephenbaumanartwork@gmail.com
Screenshots
Verdict
The clearest difference is price: See Value at Free against Head Study's $7.99. See Value also leads on update cadence (every 10 days vs every 3 months) and iOS requirement (10.0 vs 15.0). Head Study's advantage is rating (4.8 vs 4.3). On review sentiment, ratings volume, ads and in-app purchases 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
See Value is free to download; Head Study costs $7.99 up front. See Value sells 1 one-off in-app purchase and Head Study sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Head Study holds the better App Store score, 4.8 against 4.3. Both are backed by a comparable volume of ratings — 97 and 34 respectively. Written reviews point the same way: 70% of See Value's written reviews are positive against 78% of Head Study's.
See Value ships an update every 10 days, Head Study every 3 months. The most recent releases landed on July 17, 2026 and September 19, 2026 respectively.
| Parameter | See Value | Head Study |
|---|---|---|
| Price | Free — better | $7.99 |
| Rating | 4.3 (97 ratings) | 4.8 (34 ratings) — better |
| Positive reviews | 70.4% of reviews | 77.8% of reviews — better |
| Number of ratings | 97 — better | 34 |
| Update frequency | Every 10 days — better | Every 3 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 10.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 20 MB | 342 MB |
| Age rating | 4+ | 4+ |
| Developer | Robert Jakubowski | Stephen Bauman Artwork |
Customer experience
See Value
Head Study
In-app purchases
See Value
- See Value Pro Features$0.99
Head Study
- Female Planes + Skull$4.99








