3D Filter vs HyperRef
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
3D Filter
Create a unique 3D effect in your photos using Chromostereopsis. This app makes red elements appear to pop out and blue elements recede, adding a mesmerizing depth to your portraits.
- 3D photo transformation
- Chromostereopsis effect
- Depth illusion
- Portrait enhancement
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Transform your portrait photos into 3D based on Chromostereopsis! See red pop and blue recede for a mesmerizing depth effect.
HyperRef
Create and organize your personal art reference library with powerful import and study tools. Analyze images by value, contrast, and color, and track your artistic progress with attached studies. Secure your sensitive collections with biometric protection.
- Web import for bulk image saving
- Analyze images by value, contrast, color
- Timed practice and study modes
- Attach sketches to references
- Biometric collection protection
- Smart collections and organization
- Offline access with iCloud sync
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HyperRef provides a focused, distraction-free environment with no infinite scrolling or algorithms deciding what you see. Use your own curated reference library to accelerate your drawing and painting study. Features: - Powerful Web Import: Bulk-save multiple images instantly from almost any website or app. Select exactly what you need for fast, organized importing. - Advanced Study Filters: Isolate value, contrast, and color for a deeper understanding of lighting and composition. Essential for serious art study. - Timed Practice Mode: Use customizable, distraction-free slideshows for quick figure drawing or anatomy study sessions. - Study Mode: Attach your own sketches and studies directly to reference images to track your progress over time. - Biometric Protection: Lock sensitive collections with Face ID or Touch ID for maximum privacy. - Smart Collections: Organize thousands of visual references with a gorgeous, efficient layout. - Offline First with iCloud Sync: Access your entire visual library instantly, anywhere on your iPhone, iPad, and Mac. Whether you're studying anatomy, lighting, composition, or preparing a detailed mood board, HyperRef keeps your visual library organized, secure, and always accessible. Start your reference library with 5 collections and 50 images free. Unlock unlimited storage and all Pro features with a single, one-time upgrade. No subscriptions, ever.
Screenshots
Verdict
The clearest difference is in-app purchases: 3D Filter at none against HyperRef's 1. 3D Filter also leads on update cadence (every 4 days vs every 2 months) and rating (5.0 vs 4.7). HyperRef's advantage is ratings volume (3 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. HyperRef sells 1 one-off in-app purchase. 3D Filter asks for nothing beyond the download.
3D Filter holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 1 and 3 respectively.
3D Filter ships an update every 4 days, HyperRef every 2 months. The most recent releases landed on October 30, 2026 and November 4, 2026 respectively.
| Parameter | 3D Filter | HyperRef |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 4.7 (3 ratings) |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 1 | 3 — better |
| Update frequency | Every 4 days — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad, Mac — better |
| Requires iOS | 18.0 — better | 18.6 |
| Further details — not scored | ||
| Size | 40 MB | 12 MB |
| Age rating | 4+ | 4+ |
| Developer | Maimaitiming Abudukadier | Seth Kenneth Berggren |
Customer experience
3D Filter
HyperRef
In-app purchases
3D Filter
No in-app purchases
HyperRef
- HyperRef Pro$4.99









