ng vs STL Workshop
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
ng
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ng-audio is a professional control and measurement app developed for ng-audio subwoofers equipped with built-in RAM Audio PowerPack amplifiers. The app is also compatible with other subwoofers and loudspeaker systems using RAM Audio PowerPack DSP, making it suitable for both ng-audio installations and third-party systems. ng-audio provides direct DSP control together with advanced acoustic measurement tools, allowing precise low-frequency tuning and system verification directly from your iPhone or iPad. Wifi control of RAM Audio PowerPack DSP amplifiers Optimized workflow for ng-audio active subwoofers Compatible with third-party PowerPack-based systems (Limited Support) Real-time gain, mute, polarity, and preset control Live input/output VU metering Parametric EQ editing with direct DSP synchronization Logarithmic sweep measurements and frequency response analysis Real-Time Analyzer (RTA) SPL meter with manual and signal-based calibration USB microphone support with native UMIK-1 compatibility . Designed for system technicians, integrators, and audio professionals who require fast accurate control and reliable measurements in the field.
STL Workshop
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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 ā 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 iOS requirement: STL Workshop at 16.0 against ng's 26.0. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | ng | STL Workshop |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 10 days | ā |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 26.0 | 16.0 ā better |
| Further details ā not scored | ||
| Size | 27 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Daniel Nordgren | Dentagram |
In-app purchases
ng
No in-app purchases
STL Workshop
No in-app purchases









