ng vs STL Workshop
Price, ratings, monetisation and update history for both apps, side by side β 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 β’ STL (binary, ASCII, colors), OBJ, PLY, 3MF, USDZ β’ From Files, Mail, AirDrop β open any model in seconds VIEW β’ 7 render modes: shaded, edges, wireframe, x-ray, normals, overhangs, wall thickness β’ Interactive section cut, layer preview, exploded view β’ Studio and HDR lighting, realistic materials ANALYZE β’ Full diagnostics: watertightness, manifold topology, normals, shells β’ Dimensions, volume, surface, weight and cost by material and infill β’ Estimated print time, bed stability, center of gravity β’ Precise measurements: distance, angle, diameter PREPARE β’ Automatic repair: filled holes, fixed normals, removed debris β’ Auto-orientation minimizing overhangs on import β’ Scale, rotate, mirror, lay flat, automatic base β’ Hollowing with drain holes (resin), drilling and booleans, embossed or engraved 3D text β’ Grid duplication, predefined printer beds EXPORT β’ STL, OBJ, USDZ and augmented reality (AR Quick Look) β’ HD transparent captures, 360Β° GIF β’ Direct upload to OctoPrint or WebDAV servers β’ 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 Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· 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 | β |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 26.0 | 16.0 β better |
| Further details β 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





