Color Theory Studio vs MarkBy
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Color Theory Studio
Explore the science and art of color with interactive challenges and a free-form creative studio. Experiment with hues, values, and placement to master visual perception and create stunning graphic art.
- Interactive color theory challenges
- Free-form creative studio
- Precision knife and eye dropper tools
- Image import for collage making
- Color harmony generator
- Layer system
- Export as PNG and Vector PDF
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MASTER THE ART & SCIENCE OF COLOR Color Theory is the ultimate interactive vector graphic art playground for artists, designers, and anyone fascinated by the mystery of visual perception. Inspired by the legendary teachings of Josef Albers' and the "Interaction of Color," this app transforms complex academic concepts into a series of stunning, tactile challenges that will change the way you see the world. One-off payment, no subscriptions required. Free updates Do you trust your eyes? You shouldn’t. Learn why a single color can look like two different hues, master the logic of harmony, and train your brain to see "visual intervals" with mathematical precision. INTERACTIVE CHALLENGES : Color theory games Color Relativity Contrast & Harmony Transparency & Illusion Factual vs. Actual The Mixer Creative Seeing Homage to the Square The Color Studio: Your Infinite Creative Workshop The Color Studio is a revolutionary digital sandbox designed for free-form experimentation and deep visual research. Moving beyond structured games, the Studio provides you with a professional-grade canvas where you can manipulate hundreds of digital "paper" fragments to explore the subtle interactions between hue, value, and placement. It is a tactile, fluid environment that mimics a physical design studio, allowing you to build, deconstruct, and save complex color studies that can serve as the foundation for your next professional branding project or fine art masterpiece. Key Tools & Features: Precision Knife Tool with option to cut through all objects or just the select ones Free-hand exacta knife tool Image import system for advanced collage making Colors, cavas sizes and template presets for quick setups. Color Harmony generator. Quickly correct artwork colors with one tap. Layer system Pin layer to Top/Bottom to use as reference Shape Intersection Align and Distribution system Shape and color Blending. Blend shapes in 3, 5 or 7 steps with auto color harmony File save and export as PNG and Vector PDF Auto Snapping and Smart Guides Infinite canvas height and Width Eye dropper for easy color picking from within canvas Multi-select tool and marque select tool Smart context menu on double tap with apple pencil pro Undo/redo Works on both iPhones and iPads AAA paper feel with various paper textures and grain customization options Built in color harmony system for any selected object Group and ungroup selected objects Plenty of basic geometric shapes to get started easily and enhance creative workflows Multiple paper finishes options including, Matte, Gloss, rough, recycled and torn-edges Easy touch controls for scale, rotate and opacity settings 2x2 and 3x3 shape grids option Custom canvas color option Export your art directly to Social media and other graphic Design/Art Apps with one click One-tap flip vertical and horizontal options Smart menus based on selected objet/s Create amazing Bauhaus style graphics and paper collages Auto progress saving system as you work Amazing visual fidelity and graphic quality with Apple's Metal rendering system and so much more. Cut & Shape: Use the "Knife" tool to create custom fragments. Arrange & Align: Build complex studies and save them to your Gallery. Export: Share your color studies with the world or use them as inspiration for your next design project. WHY COLOR THEORY? Whether you are a UI/UX designer seeking better accessibility, a painter mastering pigment mixing, or a student of fine art, this app provides the hands-on practice that books can’t offer.
MarkBy
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Give every photograph its own elegant master presentation. MarkBy is a premium EXIF photo border and watermark designer built for photographers, mobile enthusiasts, and social media creators. Instantly read and display your camera settings (aperture, shutter speed, ISO, focal length, date, and GPS) in beautiful, gallery-quality layouts. Transform raw images into professional, signed works of art that capture attention on Instagram, Pinterest, and other platforms. --- 【 KEY FEATURES 】 ▶ Automatic EXIF Parser & Metadata Viewer Instantly extracts exposure parameters from your photos. Need manual adjustment? Customize the shutter speed, aperture, camera name, and lens model with ease—perfect for scanned film or custom layouts. ▶ 16 Vector Camera Logos Preloaded Beautifully rendered vector logos for Sony, Leica, Hasselblad, Fujifilm, Canon, Nikon, DJI, Apple, Ricoh, Panasonic, Olympus, Sigma, Insta360, GoPro, and Phase One. Freely adjust logo size to fit any frame configuration. ▶ 8 Exquisite Border Styles Choose the perfect framing for your work: • [Classic Bottom] The photographer's favorite metadata layout. • [Polaroid Frame] Nostalgic instant photo styling. • [Top/Bottom Magazine] Artistic editorial look with double bars. • [Film Strip] Film sprocket holes for retro analog aesthetics. • [Cinematic Letterbox] Wide-screen aspect ratio with deep bars. • [Side Panel] Clean vertical bar layout, perfect for landscape shots. • [Overlay] Subtle watermark stamped directly on your photo. • [Minimal Corner] Clean parameters tucked neatly into corner spots. ▶ Smart Color Sampler (Dopamine Palette) Automatically extract the dominant colors from your photo and apply them as custom gradient or solid backgrounds. Match the border's mood to the photo's palette in one tap. ▶ Custom Logo Import with Background Remover Upload your own logo, signature, or stamp. MarkBy features a built-in background removal tool to clean up your transparent png or watermark for clean overlays. ▶ Social Media Optimized Aspect Ratios Export your photos perfectly cropped or fitted for popular platforms. Choose from 1:1, 4:5, 3:4, 9:16 (Stories/Reels), 16:9, or 21:9. ▶ Pro-Grade Batch Exporting Save time by processing dozens of photos at once. Customize one preset, apply it to your entire batch, and export them simultaneously. ▶ 100% Offline & Private We value your privacy. All metadata reading, image framing, and background removals are performed locally on your device. No internet connection required, and no data leaves your phone. --- Whether you want to present your shots like a gallery-hung masterpiece or create eye-catching social media posts, MarkBy is your ultimate photography companion. Download MarkBy today and showcase your photos with the style they deserve!
Screenshots
Verdict
The clearest difference is price: MarkBy at Free against Color Theory Studio's $2.99. MarkBy also leads on update cadence (every 5 days vs monthly) and iOS requirement (18.0 vs 26.0). Color Theory Studio's advantage is chart position (#199 vs unranked). On ads, in-app purchases and device support 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
MarkBy is free to download; Color Theory Studio costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Color Theory Studio ships an update monthly, MarkBy every 5 days. Both last shipped on October 28, 2026.
| Parameter | Color Theory Studio | MarkBy |
|---|---|---|
| Price | $2.99 | Free — better |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Monthly | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Best chart rank | #199 — better | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 26.0 | 18.0 — better |
| Further details — not scored | ||
| Size | 8 MB | 76 MB |
| Age rating | 4+ | 4+ |
| Developer | Imran Gul | Houma Econimic Development Zone Jianmin Decoration Material Co., Ltd. |
In-app purchases
Color Theory Studio
No in-app purchases
MarkBy
No in-app purchases









