Comparison

ASM Pocket vs STL Viewer

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

Head to head
About

ASM Pocket

Features
Read full description

Unlock the full potential of your ASM leak detector with the ASM Pocket app by Pfeiffer Vacuum. Seamlessly transform your mobile device into a powerful remote control for precise operation. This app offers a range of functionalities, including hard vacuum tests including the sniffing feature, real-time monitoring of leak rate and inlet pressure, calibration and a convenient zero function. Supported Leak Detectors: ASM 310, ASM 340 series, and ASM 380 Models of the series ASM 182 and ASM 192 with software version v3100 To use the app you need the following: - iOS 12 or higher - Leak detector with external Wifi transmitter or Bluetooth Adapter

About

STL Viewer

Visualize e inspecione modelos 3D STL em seu dispositivo. Oferece ferramentas avançadas para medição, análise de malha e geração de relatórios PDF. Ideal para engenharia, impressão 3D e revisão técnica.

Highlights
  • Multitouch rotation, pan, and zoom
  • Wireframe, X-Ray, and normal orientation modes
  • Precise point-to-point measurement
  • Interactive cutting plane
  • Mesh health diagnostics
  • Generate PDF technical reports
Features
Read full description

Open STL models on iPhone and iPad, and work with local 3D mesh projects. STL Viewer by Transfer.med.br combines a native viewer with optional Pro and Studio tools. BASIC VIEWER Open binary or ASCII STL files. Orbit, pan and zoom, switch camera views, and inspect basic model information in solid or wireframe mode. PRO WORKSPACE Build with primitives and profiles; extrude and revolve shapes. Transform objects, preview Boolean operations and plane cuts, and use mesh repair tools. Organize multiple objects in local projects with undo, redo and saved revisions. Measure distances, angles and radii, and inspect sampled estimates of wall thickness and surface deviation. Export STL, OBJ, PLY, 3MF and GLB files, capture PNG images, and opt into project reminders. STUDIO REPORTS Studio includes Pro and adds local PDF reports with project information, geometry summaries and inspection annotations. IMPORTANT LIMITS Models are processed on your device, not uploaded to our servers. Projects and revisions are local. This app does not include cloud collaboration, SSO, STEP/B-rep CAD or manufacturing certification. Thickness and surface comparisons are sampled estimates, not certified measurements. File formats and mesh operations have safety limits and restrictions shown in the tools. STL does not record units; choose the correct unit for your model. OPTIONAL PLANS The app download is paid. Basic viewing needs no subscription. Creation, editing and advanced inspection require Pro or Studio; PDF reports require Studio. Monthly/annual subscriptions and Pro Lifetime are optional. The App Store displays prices and periods before purchase. Subscriptions renew automatically until cancelled in your Apple account settings. Restore Purchases is available in the app. Terms: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy: https://softwareideal.com.br/policy.html Support: https://softwareideal.com.br

Screenshots

ASM Pocket2 screens
STL Viewer2 screens

Verdict

The call

The clearest difference is price: ASM Pocket at Free against STL Viewer's $0.99. ASM Pocket also leads on in-app purchases (none vs 5) and iOS requirement (13.0 vs 17.0). STL Viewer's advantage is update cadence (every 6 weeks vs every 25 months) and chart position (#177 vs unranked). On 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

ASM Pocket is free to download; STL Viewer costs $0.99 up front. STL Viewer sells 5 in-app purchases, starting at $2.99 per month. ASM Pocket asks for nothing beyond the download.

UpkeepUpdate frequency

ASM Pocket ships an update every 25 months, STL Viewer every 6 weeks. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

Scorecard5 real differences · 6 level
ASM Pocket versus STL Viewer: the parameters behind the verdict, then further details
ParameterASM PocketSTL Viewer
PriceFree — better$0.99
Rating—5.0 (1 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—1 — better
Update frequencyEvery 25 monthsEvery 6 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
Best chart rank—#177 — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better17.0
Further details — not scored
Size31 MB5 MB
Age rating4+4+
DeveloperPfeiffer Vacuum GmbHFelipe Marques de Barros

In-app purchases

None

ASM Pocket

No in-app purchases

5 purchases

STL Viewer

Subscriptions4
  • STL Viewer Pro Mensal$2.991 Month
  • STL Viewer Studio Mensal$5.991 Month
  • STL Viewer Pro Anual$22.991 Year
Show 1 more
  • STL Viewer Studio Anual$49.991 Year
One-time1
  • STL Viewer Pro Vitalício$39.99

Questions

Is ASM Pocket free?
ASM Pocket is free to download, with no in-app purchases.
Is STL Viewer free?
STL Viewer costs $0.99, and also offers in-app purchases.
Do ASM Pocket or STL Viewer have ads?
Neither ASM Pocket nor STL Viewer shows ads.
Which is updated more often, ASM Pocket or STL Viewer?
ASM Pocket ships an update every 25 months, and STL Viewer every 6 weeks. Most recently, ASM Pocket was updated on October 29, 2026 and STL Viewer on October 30, 2026.

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