Comparison

STL Simple Viewer vs PartMemo

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

Head to head
About

STL Simple Viewer

Easily view and interact with 3D STL CAD models. Supports various file types and offers advanced rendering options for detailed analysis. Get model information and explore interiors with clipping planes.

Highlights
  • View ASCII and Binary STL files
  • Load STL from ZIP
  • Rotate, pan, and zoom
  • Orthogonal and Perspective modes
  • Model info (triangle count, bounding box)
  • Rendering options (faces, edges, transparency)
  • Clipping plane for interiors
Features
Read full description

STL Simple Viewer is a great app to quickly view STL, 3MF & DXF 3D files and export them to the most commonly used CAD formats. Features: - Supports STL files both ASCII and Binary formats. - Supports 3MF & DXF files. - Load files directly from ZIP archives. - Export to DXF, OBJ, DAE, PLY, USD, STL & 3MF. - Measure distances between points within your model. - Rotate, pan, and zoom models with intuitive touch controls. - Configure rendering options: faces, edges, points, background and transparency. - Render using a clipping plane (useful for viewing model interiors). - View models in Orthographic or Perspective mode. - Obtain model information including triangle count, bounding box, surface area, and volume. Privacy Policy: https://www.boviosoft.com/apps/privacy.html Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ For support or questions: support@boviosoft.com

About

PartMemo

Features
Read full description

PartMemo is the photo notebook for taking things apart without forgetting how they go back together. Create a project, photograph every step, and annotate the images directly. Record quantities, notes, and the container where you stored each part. When it is time to reassemble, follow the steps in the order that works for you. With PartMemo you can: • organize multiple teardown projects; • add photos, annotations, quantities, and containers; • search and archive completed projects; • export PDF procedures with 1, 2, or 4 photos per page; • create portable backups and import them on another device; • choose the app language directly from the menu. PartMemo works without an account and keeps data on your device. It has no ads and does not track your activity. Every feature is free; optional tips do not unlock content.

Screenshots

STL Simple Viewer4 screens
PartMemo1 screens

Verdict

The call

The clearest difference is ads: PartMemo at none against STL Simple Viewer's shown. PartMemo also leads on iOS requirement (14.0 vs 17.0). On price, in-app purchases 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. STL Simple Viewer sells 4 in-app purchases, starting at $0.99 per 7 days and PartMemo sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Scorecard2 real differences · 8 level
STL Simple Viewer versus PartMemo: the parameters behind the verdict, then further details
ParameterSTL Simple ViewerPartMemo
PriceFreeFree
Rating4.3 (909 ratings) — better—
Positive reviews18.1% of reviews—
Number of ratings909 — better—
Update frequencyEvery 5 months—
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.014.0 — better
Further details — not scored
Size19 MB27 MB
Age rating4+4+
DeveloperVictor BovioMESKATECH DI MESCALCHIN MARCO

Bugs and requests

STL Simple Viewer

Reported bugs

3 issues
  • App crashes when opening larger STL files
  • Inability to open some file formats
  • Ads continue to appear even after paying for ad removal

Requested features

3 requests
  • Add ability to save color/lighting settings
  • Improve stability and reduce crashes
  • Provide an ad-free paid version

PartMemo

Not enough reviews yet to summarise bugs or requests.

In-app purchases

4 purchases

STL Simple Viewer

Subscriptions2
  • Pro version (1 week plan)$0.997 Days
  • Pro version (1 month plan)3 Days trial$1.991 Month
One-time2
  • Remove Ads$2.99
  • Export Pack$3.99
4 purchases

PartMemo

One-time4
  • A coffee$0.99
  • A workbench break$2.99
  • A helping hand$4.99
Show 1 more
  • A refill of ideas$8.99

Questions

Is STL Simple Viewer free?
STL Simple Viewer is free to download, with in-app purchases available.
Is PartMemo free?
PartMemo is free to download, with in-app purchases available.
Do STL Simple Viewer or PartMemo have ads?
STL Simple Viewer shows ads; PartMemo does not.

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