Comparison

STL Master vs 3D Printer Cost Calculator

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

Head to head
About

STL Master

View and interact with 3D models in augmented reality. Share instant screenshots and screen recordings of your designs directly from the app.

Highlights
  • STL file viewing
  • Augmented reality (AR) mode
  • Instant screenshots
  • Screen recording
  • Design sharing
Read full description

This app also allows you to share instant screenshots and screen recording videos of your designs without using any other tools/apps.

About

3D Printer Cost Calculator

Calculate the true cost of 3D prints by factoring in filament, electricity, labor, and overhead. Offers both free and premium features for hobbyists and businesses, with a strong focus on privacy and offline functionality.

Highlights
  • Filament cost calculation
  • Electricity cost integration
  • Printer power usage modeling
  • Material stock tracking
  • Client-ready pricing
  • Labour cost and processing time
  • Export data (CSV)
Features
Read full description

Know your print costs before you quote. 3D Print Cost Calculator helps makers and small print businesses calculate accurate 3D printing costs using more than filament alone. Include electricity, printer power usage, failed prints, labour, setup time, and business overhead in one clear workflow. Use it to cost jobs consistently, protect margins, and move faster from estimate to price. Built for hobbyists, makers, side hustles, and small print businesses. Free includes: • Core print costing • Electricity costing with rated and average wattage support • Multi-material costing • Single-print G-code import • Up to 5 saved materials (manual management) • Up to 2 printer profiles • Up to 7 history entries • Individual job export • Manual batch costing for up to 3 items • Backup and restore • Interface settings for a cleaner custom view • Offline-first operation Free is designed to be genuinely useful. You can cost real prints, save key data, review recent jobs, and handle small manual batches without needing an account. You can also hide controls, tabs, and pricing details you do not use, so the app stays simpler for your workflow while calculations remain accurate underneath. Premium adds tools for scale, pricing control, and faster workflows: • Unlimited materials • Unlimited printer profiles • Unlimited history • Full and bulk export • Batch G-code import • Faster batch setup from G-code files • Unlimited batch costing • Labour pricing • Failure risk cost modelling • Markup support • Setup fees • Rounding rules • Detailed cost breakdowns • Materials CSV export and reviewed import • Filament inventory and remaining spool tracking • Advanced configuration Privacy-first by design: • No accounts • No cloud dependency • No required tracking • Your data stays on your device Designed to stay simple on the surface while remaining accurate underneath. EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

STL Master4 screens
3D Printer Cost Calculator4 screens

Verdict

The call

The clearest difference is in-app purchases: STL Master at none against 3D Printer Cost Calculator's 4. STL Master also leads on ratings volume (51 vs 7). 3D Printer Cost Calculator's advantage is update cadence (weekly vs monthly). On price, rating, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. 3D Printer Cost Calculator sells 4 in-app purchases, starting at $0.99 per month. STL Master asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.2 for STL Master against 4.1 for 3D Printer Cost Calculator. That said, the two scores are not equally well evidenced: STL Master has 51 ratings behind it against 7, so its average is the more settled of the two.

UpkeepUpdate frequency

STL Master ships an update monthly, 3D Printer Cost Calculator weekly. Both last shipped on October 24, 2026.

Scorecard4 real differences · 6 level
STL Master versus 3D Printer Cost Calculator: the parameters behind the verdict, then further details
ParameterSTL Master3D Printer Cost Calculator
PriceFreeFree
Rating4.2 (51 ratings) — better4.1 (7 ratings)
Positive reviews86.1% of reviews—
Number of ratings51 — better7
Update frequencyMonthlyWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad, iPod
Requires iOS14.1 — better15.6
Further details — not scored
Size68 MB87 MB
Age rating4+4+
DeveloperJA Logic Labs LLCReme Le Hane

Customer experience

STL Master

All ratings49 ratings
Positive77.6%
Neutral6.1%
Negative16.3%
Written reviews115 reviews
Positive86.1%
Neutral5.2%
Negative8.7%

3D Printer Cost Calculator

All ratings7 ratings
Positive71.4%
Neutral14.3%
Negative14.3%

Bugs and requests

STL Master

Reported bugs

13 issues
  • App crashes immediately on launch
  • Files won't open or load
  • Objects disappear when moved
  • Inconsistent file orientation on load
  • Markup mode traps user and requires app restart
Show 8 more
  • Buttons don't toggle/close properly
  • Measurement dimensions display as mirror images
  • HDRI background doesn't affect model lighting
  • Freezing in editing/pen tip mode
  • Objects zoomed in with no zoom out capability
  • Parts of model cut off or not displayed
  • Mac version has significant stability issues
  • iOS 10.2 compatibility crash

Requested features

13 requests
  • More color and material options
  • Unit measurement display and metric/standard conversion
  • How-to video tutorials for hidden features
  • Proper zoom in/out controls
  • Object positioning/movement button
Show 8 more
  • Measurement and dimension tools
  • Drag-and-drop file opening support
  • Menu items for file operations
  • Closeable menu buttons
  • More file format support
  • HDRI lighting affecting model rendering
  • Save functionality for combined files
  • Proper markup mode functionality

3D Printer Cost Calculator

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

STL Master

No in-app purchases

4 purchases

3D Printer Cost Calculator

Subscriptions3
  • Montlhy$0.991 Month
  • Quarterly$4.993 Months
  • Annual Subscription$9.991 Year
One-time1
  • Lifetime Access$29.99

Questions

Is STL Master free?
STL Master is free to download, with no in-app purchases.
Is 3D Printer Cost Calculator free?
3D Printer Cost Calculator is free to download, with in-app purchases available.
Which has better reviews, STL Master or 3D Printer Cost Calculator?
STL Master is rated higher. STL Master averages 4.2 out of 5 from 51 ratings, while 3D Printer Cost Calculator averages 4.1 from 7 ratings.
Do STL Master or 3D Printer Cost Calculator have ads?
Neither STL Master nor 3D Printer Cost Calculator shows ads.
Which is updated more often, STL Master or 3D Printer Cost Calculator?
STL Master ships an update monthly, and 3D Printer Cost Calculator weekly. Most recently, STL Master was updated on October 24, 2026 and 3D Printer Cost Calculator on October 24, 2026.

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