Surfaces in Space vs Dithra
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Surfaces in Space
Explore and interact with a variety of 3D mathematical surfaces. Visualize complex shapes, customize their appearance, and even import your own 3D models. Offers intuitive touch controls for easy navigation and rendering.
- 3D mathematical surface visualization
- Interactive touch controls (rotate, zoom, pan)
- Customizable surface appearance (fill, primitives)
- Import .stl and .obj files
- Adjustable tessellation detail
- Customizable backgrounds and lighting
- Save 10-bit snapshots
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A 3D viewer for mathematical surfaces. Visualize and interact with parametric shapes including spheres, tori, Klein bottles, Möbius strips, and more. Features: - An expanding catalogue of both vertex-based, tessellated surfaces, and a physical objects category - Rotate, zoom, and pan with (multi-)touch gestures - Auto-rotate along an axis, adjust speed with a dismissible slider - Adjustable tessellation detail via a dismissible slider - Adjustable tessellation fill: solid or wireframe - Adjustable vertex primitives: points, lines, triangles - Adjust point size with a dismissible slider - Optional ripple effect on vertex-based surfaces - Optional rotating light for most surfaces - Customizable background color, background image - Save 10-bit snapshots - Restore previous session, start fresh, or randomize launch - Import .stl (STL) or .obj (OBJ) files for viewing - choose culling mode: none, back, or front - spatial environments: standard / default, Milky Way panorama, a black hole, and - free camera mode: toggle on/off in settings to freely move camera around environment - control free camera mode with a game controller or keyboard (wasd + arrows)
Dithra
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Dithra is a real-time dithering camera app designed for lo-fi and retro visuals. It recreates the look of classic displays such as game consoles or retro computers using carefully tuned presets and dithering algorithms. What you see is what you capture — all in real time. Features: • Real-time dithering camera • Multiple dithering algorithms • Retro display-style presets • Photo capture and library management • Original photo frames Capture the world like a retro display.
Screenshots
Verdict
The clearest difference is update cadence: Dithra at daily against Surfaces in Space's every 2 months. Surfaces in Space's advantage is iOS requirement (18.4 vs 26.0). On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Surfaces in Space ships an update every 2 months, Dithra daily. The most recent releases landed on October 12, 2026 and October 6, 2026 respectively.
| Parameter | Surfaces in Space | Dithra |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 2 months | Daily — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 18.4 — better | 26.0 |
| Further details — not scored | ||
| Size | 87 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | Colin Ford | Leo Kuroshita |
In-app purchases
Surfaces in Space
No in-app purchases
Dithra
No in-app purchases









