Comparison

Custo3D vs SpoolMargin

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

Head to head
About

Custo3D

Calculate the precise cost of 3D prints, factoring in materials, electricity, printer wear, labor, and profit margin. Generate professional proposals for clients instantly. Supports multiple printer profiles and offline access.

Highlights
  • Full cost calculation (material, energy, depreciation, labor, profit)
  • Multiple printer profiles (FDM/resin)
  • Offline quote saving
  • Commercial proposal generation
  • Live Bambu printer monitoring
  • MakerWorld print integration
Features
Read full description

Custo3D is the ultimate tool for anyone who sells 3D prints and wants to charge the right price — no guesswork. Calculate the real cost of each part factoring in filament/resin, electricity, printer wear, time, labor, and your profit margin. In seconds you get the price per unit and a proposal ready to send to your client. NEW: BAMBU LAB PRINTERS • Connect your Bambu printer on the local network and follow prints live in the app • When a job starts, create a pre-filled quote in one tap: printer, filament, time, and more • MakerWorld prints also bring the model image and a filament estimate — just review and save KEY FEATURES • Full costing: material, energy, machine depreciation, finishing, and margin • Multiple printer profiles (FDM and resin) — or create your own • Save your quotes and access them offline, no account needed • Build commercial proposals with quantity, deadline, color, and validity • Selectable currency and app in Portuguese, English, and Spanish CUSTO3D PRO • Export the proposal as a PDF • Generate a shareable web link for your client • Add your business logo to documents • Remove the "Custo3D" watermark from documents Offline first: everything is saved on your device. An account is optional and only used to sync to the cloud and generate links. Stop losing money on guessed prices. Calculate, save, and sell with Custo3D. — Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://custo3d.app/privacidade

About

SpoolMargin

Features
Read full description

Know what every print really costs—before you quote it. SpoolMargin brings material, electricity, machine wear, labor, packaging, fixed fees and failure risk into one clear calculation. Set a target margin or markup and get a recommended unit price, batch total and projected profit in seconds. BUILT FOR REAL PRINT WORK • Create FDM and resin printer profiles • Track PLA, PETG, ABS, ASA, TPU, Nylon, resin and custom materials • Combine multiple materials in one job • Calculate single pieces and production batches • Compare cost, quote total, profit and realized margin • Complete a job to deduct its material automatically IMPORT WITHOUT LOSING CONTROL Import common G-code comments from Cura, PrusaSlicer, OrcaSlicer and Bambu Studio. SpoolMargin extracts supported print-time and material estimates, shows its confidence and keeps every value editable. Slicer formats vary, so you always remain in control. QUOTES AND INSIGHTS Save customer quotes and duplicate repeat jobs for free. Pro unlocks unlimited records, complete profit history, customer-ready PDF quotes, CSV reports and full JSON backup. PRIVATE BY DESIGN No account. No ads. No analytics or tracking. Your printers, inventory, quotes and imported values stay on your device unless you choose to share an export. SpoolMargin calculations are estimates and are not tax, accounting or legal advice. Verify taxes, marketplace fees and production assumptions for your business. Pro is available as a monthly or yearly auto-renewing subscription or a one-time lifetime purchase. The yearly offer may include a 7-day introductory trial for eligible customers. Price and currency are shown by Apple before purchase. Subscriptions renew unless canceled at least 24 hours before the end of the current period. Manage or cancel in Apple ID subscription settings. Privacy: https://viralcrew.de/apps/spoolmargin/privacy Terms: https://viralcrew.de/apps/spoolmargin/terms Support: https://viralcrew.de/apps/spoolmargin/support Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Custo3D4 screens
SpoolMargin4 screens

Verdict

The call

Custo3D and SpoolMargin are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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. Custo3D sells 2 in-app purchases, starting at $1.99 per month and SpoolMargin sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

ScorecardNo meaningful differences
Custo3D versus SpoolMargin: the parameters behind the verdict, then further details
ParameterCusto3DSpoolMargin
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 3 weeks—
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.017.0
Further details — not scored
Size4 MB4 MB
Age rating9+4+
DeveloperBruno AmaralJasko Hodzic

In-app purchases

2 purchases

Custo3D

Subscriptions2
  • Custo3D Pro — Monthly7 Days trial$1.991 Month
  • Custo3D Pro — Yearly$11.991 Year
3 purchases

SpoolMargin

Subscriptions2
  • SpoolMargin Pro Monthly$2.991 Month
  • SpoolMargin Pro Yearly7 Days trial$12.991 Year
One-time1
  • SpoolMargin Pro Lifetime$24.99

Questions

Is Custo3D free?
Custo3D is free to download, with in-app purchases available.
Is SpoolMargin free?
SpoolMargin is free to download, with in-app purchases available.
Do Custo3D or SpoolMargin have ads?
Neither Custo3D nor SpoolMargin shows ads.

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