Comparison

Surfaces in Space vs Dithra

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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
Features
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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)

About

Dithra

Features
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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

Surfaces in Space4 screens
Dithra3 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

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.

Scorecard2 real differences · 7 level
Surfaces in Space versus Dithra: the parameters behind the verdict, then further details
ParameterSurfaces in SpaceDithra
PriceFreeFree
Rating5.0 (2 ratings) — better—
Number of ratings2 — better—
Update frequencyEvery 2 monthsDaily — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad — betteriPhone
Requires iOS18.4 — better26.0
Further details — not scored
Size87 MB10 MB
Age rating4+4+
DeveloperColin FordLeo Kuroshita

In-app purchases

None

Surfaces in Space

No in-app purchases

None

Dithra

No in-app purchases

Questions

Is Surfaces in Space free?
Surfaces in Space is free to download, with no in-app purchases.
Is Dithra free?
Dithra is free to download, with no in-app purchases.
Do Surfaces in Space or Dithra have ads?
Neither Surfaces in Space nor Dithra shows ads.
Which is updated more often, Surfaces in Space or Dithra?
Surfaces in Space ships an update every 2 months, and Dithra daily. Most recently, Surfaces in Space was updated on October 12, 2026 and Dithra on October 6, 2026.

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