Comparison

Node.js Lab vs STL File Viewer Pro

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

Head to head
About

Node.js Lab

Develop and run Node.js web applications directly on your iOS device, even offline. This app includes a full Node.js environment with NPM, a script editor, and debugging tools. It also functions as a standalone web application and offers extensive file management capabilities.

Highlights
  • Offline Node.js environment
  • Integrated Git client
  • Multi-tabbed script editor
  • NPM support
  • Standalone web app functionality
  • Remote file management
  • Offline documentation
Features
Read full description

Full-fledged Node.js on iOS with NPM support. Build, modify, run and debug web applications using NodeJS and Webkit on your iOS device or any other device on the same network. Nodejs Lab also turns your device into a complete standalone web application with nodejs support to run on startup (similar to nw.js). App features: - Full Node.js without internet connection - Git client - Script editor - html/js/css/json beautifiers in script editor - Auto-Complete - Image editor - Multi-tabbed script/image editor - NPM - Panel to capture console.log, .warn, .error - Supports in-app browser / in-app Safari - Multi-tabbed file manager - Set as standalone web application (similar to nw.js) - Remote file manager (access app's files from another device) - FTP/SFTP/FTPS/iCloud managers - phpLiteAdmin to edit sqlite files - Firebug Lite - Syntax validator for HTML, JS & CSS - Offline Node.js documentation - Enable/Disable sharing with Files app - Split screen on iPad - Multitasking on iPad Note: nodejs Lab doesn't support c++ addons For more information & inquiries please contact me through nodejs Lab's website or contact form inside the app.

About

STL File Viewer Pro

Easily view, rotate, and inspect 3D STL files on your iPhone or iPad. Load models instantly from various sources for 3D printing, design review, or engineering inspection.

Highlights
  • Instant STL file loading
  • Full 360° rotation and zoom
  • Sharp detail rendering
  • Light and dark mode support
  • Lightweight and fast performance
  • Open files from Files, email, AirDrop
Features
Read full description

View, Rotate & Inspect Your 3D STL Files with Ease! Open any STL file in seconds — no sign-up, no clutter, just your 3D model ready to explore. STL File Viewer lets you load, rotate, zoom, and inspect 3D STL files directly on your iPhone or iPad. Built for speed, it handles everything from small parts to complex models smoothly. Whether you're reviewing jewelry CAD files before production, checking 3D print files for errors, or inspecting engineering designs on the go — this is the fastest way to view STL files on iOS. WHAT YOU GET: Instant file loading — open STL files from Files, email, AirDrop, or any app Full 360° control — rotate, zoom, and pan with intuitive touch gestures Measure STL file distance between 2 points Estimate STL File Weight in different materials Sharp detail rendering Light & dark mode — comfortable viewing anywhere Lightweight & fast — no bloat, no lag BUILT FOR: - 3D printing enthusiasts previewing files before printing - Jewelry designers reviewing CAD models - Engineers and architects inspecting parts on the go - Students and hobbyists exploring 3D models No account required. Just open and view using our simple STL Viewer App. Download now and see your CAD files the way they're meant to be seen. Terms of Service: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Node.js Lab4 screens
STL File Viewer Pro3 screens

Verdict

The call

The clearest difference is review sentiment: Node.js Lab at 63% against STL File Viewer Pro's 10%. Node.js Lab also leads on iOS requirement (13.0 vs 16.6). STL File Viewer Pro's advantage is rating (4.5 vs 3.9) and update cadence (fortnightly vs every 5 weeks). On price, ratings volume, ads and in-app purchases 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. Node.js Lab sells 2 one-off in-app purchases and STL File Viewer Pro sells 3 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

STL File Viewer Pro holds the better App Store score, 4.5 against 3.9. Both are backed by a comparable volume of ratings — 24 and 65 respectively. Written reviews complicate that: 63% of Node.js Lab's written reviews are positive against 10% of STL File Viewer Pro's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Node.js Lab ships an update every 5 weeks, STL File Viewer Pro fortnightly. The most recent releases landed on September 21, 2026 and September 24, 2026 respectively.

Scorecard5 real differences · 6 level
Node.js Lab versus STL File Viewer Pro: the parameters behind the verdict, then further details
ParameterNode.js LabSTL File Viewer Pro
PriceFreeFree
Rating3.9 (24 ratings)4.5 (65 ratings) — better
Positive reviews62.5% of reviews — better10.0% of reviews
Number of ratings2465 — better
Update frequencyEvery 5 weeksFortnightly — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
Best chart rank#170#53 — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better16.6
Further details — not scored
Size154 MB16 MB
Age rating4+4+
DeveloperFiras MoussaAndeesh Mehdi Syed

Customer experience

Node.js Lab

All ratings24 ratings
Positive70.8%
Neutral12.5%
Negative16.7%
Written reviews32 reviews
Positive62.5%
Neutral9.4%
Negative28.1%

STL File Viewer Pro

All ratings65 ratings
Positive86.2%
Neutral1.5%
Negative12.3%
Written reviews10 reviews
Positive10.0%
Neutral0.0%
Negative90.0%

In-app purchases

2 purchases

Node.js Lab

One-time2
  • Unlock all features$4.99
  • Standalone Web Application$9.99
3 purchases

STL File Viewer Pro

Subscriptions3
  • Weekly3 Days trial$1.997 Days
  • Monthly3 Days trial$3.991 Month
  • Ad Free for 1 Year3 Days trial$24.991 Year

Questions

Is Node.js Lab free?
Node.js Lab is free to download, with in-app purchases available.
Is STL File Viewer Pro free?
STL File Viewer Pro is free to download, with in-app purchases available.
Which has better reviews, Node.js Lab or STL File Viewer Pro?
STL File Viewer Pro is rated higher. Node.js Lab averages 3.9 out of 5 from 24 ratings, while STL File Viewer Pro averages 4.5 from 65 ratings.
Do Node.js Lab or STL File Viewer Pro have ads?
Both Node.js Lab and STL File Viewer Pro show ads.
Which is updated more often, Node.js Lab or STL File Viewer Pro?
Node.js Lab ships an update every 5 weeks, and STL File Viewer Pro fortnightly. Most recently, Node.js Lab was updated on September 21, 2026 and STL File Viewer Pro on September 24, 2026.
Which is more popular, Node.js Lab or STL File Viewer Pro?
Node.js Lab currently peaks at #170 in the App Store charts, and STL File Viewer Pro at #53. Chart position reflects recent download velocity rather than total install base.

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