Comparison

Valence 3D vs Promptlas

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

Head to head
About

Valence 3D

This app is a powerful yet user-friendly 3D modeling and design tool for iPad and iPhone. It offers a comprehensive set of tools for creating, importing, editing, and exporting 3D models, suitable for both beginners and professionals across various industries.

Highlights
  • Extensive primitive shapes library
  • Import and export various 3D file formats
  • Advanced modeling and mesh operations
  • Non-destructive mesh modifiers
  • Intuitive navigation and context-aware tools
  • Automatic saving and iCloud syncing
Features
Read full description

Valence 3D is a powerful, beautiful, minimal, and easy-to-use 3D Polygon & SubD modeling app for iPad & iPhone. No matter whether you're learning 3D modeling for the first time or a professional working in design, construction, gaming, web dev, digital fabrication, architecture, or spatial computing, Valence 3D has what you need to get started! CREATE, IMPORT, EDIT & EXPORT 3D MODELS • 25 primitive shapes are built-in & ready to help you start modeling: plane, box, sphere, squircle, rounded box, arc, circle, cylinder, tube, cone, capsule, torus, icosphere, pipe, revolve, helix, voronoi, text, super shape, noise surfaces, torus knot, faceted gem & tube. • Import existing models, reference images, lidar scans and room plans • Imports: OBJ, STL, USD, USDZ • Exports: PNG, SVG, OBJ, STL, USD, USDZ, GLTF, GLB • Knife tool to create complex and detailed geometry • Move, Rotate, & Scale gizmos make it easy to transform nodes, faces, edges & vertices • Powerful modeling gizmos for extruding, insetting, beveling, poking, creasing & cutting • Multiple selection & automatic loop selection help accelerate your modeling • Tap on one of the gizmo handles to bring up an input field for precise transformations & mesh operations • Robust snapping & alignment commands • Selection operations: grow, shrink, select shell & deselect • Mesh operations: duplicate, instance, set / center pivot, trim by plane, boolean, apply transform & subdivide • Face operations: separate, combine, bridge, extract, poke, collapse, delete, dissolve, harden & soften • Edge operations: extrude, insert vertex, collapse, dissolve, bridge, harden & soften • Vertex operations: insert edge, dissolve, delete & merge • Non-destructive & configurable mesh modifiers: mirror & subdivision • Apply complex transformations using different gizmo pivot points & orientations EASILY NAVIGATE & STAY IN FLOW WHILE DESIGNING • Carefully crafted & fully optimized for iPhone & iPad • Designed to minimize cognitive overload by only showing tools & commands that are contextually relevant • Easily navigate to any part of your model by dragging and pinching: two finger pinch to zoom and roll, and one finger drag to rotate • Pop into the standard orthographic views by tapping one of the handles of the orientation gizmo • Use two & three finger tap gestures to undo & redo • Select components by dragging or using the rectangular selection mode • Your work is saved automatically every two minutes and every time you go back to the gallery • Get an overview of your scene’s structure from the Outliner • Long press on a node in the Outliner to easily rename, duplicate, instance, delete, parent & reorder any object in your scene • Precisely adjust any node’s position, rotation & scale with the Inspector • Adjust material properties, display & modifier options with the Inspector STAY ORGANIZED ACROSS ALL YOUR DEVICES • Preview, share, duplicate, delete & rename your models from the gallery • iCloud syncing keeps all your models up to date, private & accessible across all your devices PREVIEW, MEASURE, & RENDER YOUR CREATIONS • 6 powerful rendering modes: Matcap, Modeling, Wireframe, Physically Based, X-Ray & Path Traced • Export renders in any aspect ratio & scale • Preview your model in AR in two taps • Export your scene as a USDZ & be confident it’ll look consistent on all Apple devices • Tweak your model’s material & see changes in real-time • Tweak-able scene settings: camera field of view, background type, blurriness, intensity & rotation • Get model measurements in one click • Add persistent dimensions between any two surfaces in your scene PURCHASE & COMPATIBILITY • One time purchase unlocks both iPhone & iPad versions • Apple Pencil supported on select iPads • 120 FPS supported on devices with ProMotion displays • Path Tracing is supported on iPads with M series chips & iPhones with A15 Bionic & later • Lidar Scan & Room Plan is supported on devices with a lidar sensor

About

Promptlas

Features
Read full description

Promptlas is a visual prompt-building toolkit designed to help you understand, explore, and create better prompts for AI image generation. Explore a growing visual library of prompt concepts and see how styles, lighting, cameras, materials, compositions, and other creative choices can shape an image. BUILD PROMPTS VISUALLY Create prompts step by step by choosing your subject, camera and lens, lighting, materials, art style, and additional visual directions. EXPLORE VISUAL CONCEPTS Discover prompt terms through visual examples and clear explanations, making it easier to understand what each option can bring to your image. SMART COMBINATIONS Find context-aware options that work well together and discover new creative directions without starting from scratch. SPECIALIZED BUILDERS Use focused builders for different types of images, including portraits, products, architecture, characters, and food. PROMPT RECIPES Start with curated combinations for common creative goals and customize them to fit your idea. SAVE YOUR FAVORITES Keep useful visual concepts close at hand so you can quickly return to them when building your next prompt. COPY AND CREATE Build a complete prompt and copy it when you're ready to use it with your preferred AI image generation tool. Promptlas does not generate images itself. It helps you design, understand, and organize the prompts you use with AI image generation tools. Promptlas Pro is available as an optional one-time purchase that permanently unlocks all Pro features. No subscription is required.

Screenshots

Valence 3D4 screens
Promptlas4 screens

Verdict

The call

The clearest difference is price: Promptlas at Free against Valence 3D's $19.99. Valence 3D's advantage is in-app purchases (none vs 1) and chart position (#23 vs unranked). On update cadence, 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

CostPrice · In-app purchases · Ads · Monetization

Promptlas is free to download; Valence 3D costs $19.99 up front. Promptlas sells 1 one-off in-app purchase. Valence 3D asks for nothing beyond the download.

UpkeepUpdate frequency

Valence 3D ships an update weekly, Promptlas every 4 days. The most recent releases landed on October 25, 2026 and October 8, 2026 respectively.

Scorecard3 real differences · 8 level
Valence 3D versus Promptlas: the parameters behind the verdict, then further details
ParameterValence 3DPromptlas
Price$19.99Free — better
Rating4.2 (121 ratings) — better—
Positive reviews60.8% of reviews—
Number of ratings121 — better—
Update frequencyWeeklyEvery 4 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
Best chart rank#23 — better—
DevicesiPhone, iPad — betteriPhone
Requires iOS18.017.0 — better
Further details — not scored
Size196 MB81 MB
Age rating4+4+
DeveloperHi-Rez, LLCBerkehan Kucukaras

Bugs and requests

Valence 3D

Reported bugs

5 issues
  • Crashes on launch
  • Saved files not loading properly
  • Unreliable vertex/edge/face selection
  • Mesh corruption and data loss
  • Gizmo and navigation issues

Requested features

8 requests
  • Add boolean operations
  • Improve selection and navigation tools
  • Implement curve/spline primitives
  • Add more modeling modifiers (bevel, subdivision, etc.)
  • Provide more detailed documentation and tutorials
Show 3 more
  • Improve performance and stability
  • Add UV editing and texture support
  • Implement keyboard shortcuts and power user features

Promptlas

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Valence 3D

No in-app purchases

1 purchases

Promptlas

One-time1
  • Promptlas Pro Lifetime$4.99

Questions

Is Valence 3D free?
Valence 3D costs $19.99, with no in-app purchases.
Is Promptlas free?
Promptlas is free to download, with in-app purchases available.
Do Valence 3D or Promptlas have ads?
Neither Valence 3D nor Promptlas shows ads.
Which is updated more often, Valence 3D or Promptlas?
Valence 3D ships an update weekly, and Promptlas every 4 days. Most recently, Valence 3D was updated on October 25, 2026 and Promptlas on October 8, 2026.

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