Comparison

Skully Care vs STL Simple Viewer

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

Head to head
About

Skully Care

This app helps parents and healthcare professionals monitor and visualize infant head shapes. It provides objective data and visuals for informed decision-making and supports sharing results with professionals for guidance.

Highlights
  • Guided photo capture for head shape visualization
  • Instant head shape results and visuals
  • Professional report export for EHR
  • Exercise library with expert guided videos
  • Secure and private photo processing
  • Objective measurements and progress tracking
Read full description

Infant head shape deformities are common in the first months. Most improve naturally, but early awareness helps families and professionals make informed decisions. For Parents: Skully Care helps you visualize your baby’s head shape in minutes. No more guessing or waiting. Get clear, objective results you can share with your healthcare professional. For Healthcare Professionals: Skully Care provides structured head‑shape data and visuals that support assessments, guide family conversations, and make consultations more effective. Why Parents Choose Skully Care · Simple & Fast: Take a guided photo in minutes. · Instant Visualization: See your baby’s head shape right away. · Professional Support: Share results with a healthcare professional for next steps, if required. Access the vast exercise library for expert guided videos · Private & Secure: Photos are processed securely and cleared after each scan. · Reassurance: Helps parents understand when professional follow‑up may be useful. Why Healthcare Professionals Choose Skully Care · Objective measurements: Use a smartphone to capture accurate, repeatable scans. · Clear visuals: Track progress with easy‑to‑read graphs and visuals. · Professional reports: Export EHR-efficient reports and share with families or colleagues. · Efficient consultations: Spend less time measuring and more time advising. · Remote support: Review photos submitted by parents, and share repositioning exercise videos to extend care between visits. Built on Expertise Created by a pediatric healthcare professional with more than 30 years of experience. Today, Skully Care is trusted by families and 1000+ professionals as a supportive tool to better understand infant head shape. Download Skully Care today and try your first scan.

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

Screenshots

Skully Care4 screens
STL Simple Viewer4 screens

Verdict

The call

The clearest difference is rating: STL Simple Viewer at 4.3 against Skully Care's 3.0. STL Simple Viewer also leads on ratings volume (920 vs 2). Skully Care's advantage is in-app purchases (none vs 4) and ads (none vs shown). On price, update cadence 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. Skully Care asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

STL Simple Viewer holds the better App Store score, 4.3 against 3.0. That said, the two scores are not equally well evidenced: STL Simple Viewer has 920 ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

Skully Care ships an update every 4 months, STL Simple Viewer every 5 months. The most recent releases landed on October 21, 2026 and October 29, 2026 respectively.

Scorecard6 real differences · 4 level
Skully Care versus STL Simple Viewer: the parameters behind the verdict, then further details
ParameterSkully CareSTL Simple Viewer
PriceFreeFree
Rating3.0 (2 ratings)4.3 (920 ratings) — better
Positive reviews—18.1% of reviews
Number of ratings2920 — better
Update frequencyEvery 4 months — betterEvery 5 months
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.6 — better17.0
Further details — not scored
Size84 MB19 MB
Age rating17+4+
DeveloperSkully CareVictor Bovio

Customer experience

Skully Care

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%

STL Simple Viewer

All ratings909 ratings
Positive80.3%
Neutral4.5%
Negative15.2%
Written reviews166 reviews
Positive18.1%
Neutral11.4%
Negative70.5%

Bugs and requests

Skully Care

Not enough reviews yet to summarise bugs or 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

In-app purchases

None

Skully Care

No 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

Questions

Is Skully Care free?
Skully Care is free to download, with no in-app purchases.
Is STL Simple Viewer free?
STL Simple Viewer is free to download, with in-app purchases available.
Which has better reviews, Skully Care or STL Simple Viewer?
STL Simple Viewer is rated higher. Skully Care averages 3.0 out of 5 from 2 ratings, while STL Simple Viewer averages 4.3 from 920 ratings.
Do Skully Care or STL Simple Viewer have ads?
STL Simple Viewer shows ads; Skully Care does not.
Which is updated more often, Skully Care or STL Simple Viewer?
Skully Care ships an update every 4 months, and STL Simple Viewer every 5 months. Most recently, Skully Care was updated on October 21, 2026 and STL Simple Viewer on October 29, 2026.

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