Scano3D vs STL Workshop
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Scano3D
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Describe a model and print it. Or scan a real object and make it printable. Scano3D is an AI model maker and 3D scanner for your iPhone. Type what you want and get a watertight, print-ready mesh back — or capture something real with LiDAR and turn it into a model you can slice. CREATE WITH AI • Text to model: "a red toadstool with white spots" becomes a real mesh, not a placeholder • Attach a reference photo and the model is built to match it • Refine by conversation: "make it 80 mm tall", "give it a smiling face" — each turn edits the existing design instead of starting over • The design chat travels with the model, so a refinement weeks later still knows the original brief • Dictate your idea instead of typing it • Generation keeps running while the app is in the background • Typically 20–60 seconds; complex prompts can take up to two minutes SCAN WITH LiDAR • Quick, Detailed and Turntable capture modes • Object isolation: tap an object and the table, floor and background are discarded rather than welded into the model • Crop the capture before it becomes a model • Live mesh overlay so you can see coverage as you go MESH TOOLS • Make Print-Ready in one tap: floaters, holes, welding and simplification, in the right order • Remove floaters — debris is deleted, but large detached parts are snapped back on rather than thrown away • Fill holes, weld vertices, smooth, simplify, clean up • Scale to an exact size in millimetres • Delete individual parts of a multi-body model • Undo and redo survive quitting the app IMPORT & EXPORT • Import STL, 3MF, OBJ, GLB and USDZ • Export STL for printing, 3MF with colour (one object per colour, Bambu-compatible), OBJ, GLB and USDZ • Live readout of triangle count and whether the mesh is watertight AI PROVIDERS • Cloud AI by default — no key, no account, no setup FREE & PRO • Free: 3 exports to start, then 1 more each month, plus 3 Cloud AI actions a month • Scanning, mesh tools, the viewer and import are unrestricted on the free plan • Pro, monthly or yearly with a 7-day free trial: unlimited exports, 40 Cloud AI actions a month, and bring-your-own-key providers • Top-ups: 20 or 50 extra Cloud AI actions as a one-time purchase, never expiring • A failed generation is refunded automatically — you are never charged for a model you didn't receive • Cancel anytime in Settings; you keep Pro until the end of the billing period PRIVACY • Your scans and models stay on the device — nothing is uploaded to be stored • Cloud AI sends your prompt, and your reference image if you attach one, to generate the model. Nothing else leaves the phone • Dictation is transcribed on-device where your locale supports it Scanning needs an iPhone with a LiDAR scanner. Creating with AI, editing, importing and exporting work on any supported iPhone. Terms of Use: https://app.maddisys.co.uk/terms Privacy Policy: https://app.maddisys.co.uk/privacy
STL Workshop
This application allows users to view, edit, and prepare 3D models for printing. It supports various import and export formats, offers detailed analysis tools, and includes automatic repair functions. Users can also preview print times and costs.
- Import STL, OBJ, PLY, 3MF, USDZ
- Multiple render modes
- Interactive section cut and layer preview
- Full diagnostics and measurements
- Automatic model repair
- Scale, rotate, mirror, and hollowing
- Export to STL, OBJ, USDZ, AR
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STL Workshop is a 3D model viewer and editor built for 3D printing. IMPORT • STL (binary, ASCII, colors), OBJ, PLY, 3MF, USDZ • From Files, Mail, AirDrop — open any model in seconds VIEW • 7 render modes: shaded, edges, wireframe, x-ray, normals, overhangs, wall thickness • Interactive section cut, layer preview, exploded view • Studio and HDR lighting, realistic materials ANALYZE • Full diagnostics: watertightness, manifold topology, normals, shells • Dimensions, volume, surface, weight and cost by material and infill • Estimated print time, bed stability, center of gravity • Precise measurements: distance, angle, diameter PREPARE • Automatic repair: filled holes, fixed normals, removed debris • Auto-orientation minimizing overhangs on import • Scale, rotate, mirror, lay flat, automatic base • Hollowing with drain holes (resin), drilling and booleans, embossed or engraved 3D text • Grid duplication, predefined printer beds EXPORT • STL, OBJ, USDZ and augmented reality (AR Quick Look) • HD transparent captures, 360° GIF • Direct upload to OctoPrint or WebDAV servers • Siri Shortcuts: convert to USDZ, repair an STL Units in millimeters. No ads, no data collection.
Screenshots
Verdict
The clearest difference is in-app purchases: STL Workshop at none against Scano3D's 7. STL Workshop also leads on iOS requirement (16.0 vs 26.0). On price, ads 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. Scano3D sells 7 in-app purchases, starting at $4.99 per month. STL Workshop asks for nothing beyond the download.
| Parameter | Scano3D | STL Workshop |
|---|---|---|
| Price | Free | Free |
| Rating | — | 3.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Weekly | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | — | Free |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 26.0 | 16.0 — better |
| Further details — not scored | ||
| Size | 8 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Maddisys Limited | Dentagram |
In-app purchases
Scano3D
- Scano3D Pro$4.991 Month
- Scano3D Pro1 Month trial$9.991 Month
- Scano3D Studio$19.991 Month
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- Scano3D Pro7 Days trial$99.991 Year
- Scano3D Studio$119.991 Year
- 20 AI Actions$4.99
- 50 AI Actions$9.99
STL Workshop
No in-app purchases









