Comparison

STL Simple Viewer vs Smart Dentist

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

Smart Dentist

This app helps dental professionals manage their entire clinic from a single platform. It offers tools for patient organization, treatment tracking, billing, expense monitoring, and detailed reporting, all accessible on various devices.

Highlights
  • Patient record management with photos
  • Interactive 3D teeth chart
  • Billing and invoicing from procedures
  • Expense tracking with receipt photos
  • Revenue and expense reports
  • Digital intake forms
  • Secretary and multi-doctor modes
Features
Read full description

Your patients, their treatment and their balances, in one place. Smart Dentist helps independent dentists and small practices organize daily work on iPhone, iPad and Mac. PATIENT RECORDS & TREATMENT Keep patient information and treatment history together. Explore the visual 3D tooth chart, organize treatment plans and estimates, and keep perio measurements, intake forms and diagnosis reports with the patient. BILLING & YOUR PRACTICE Generate invoices from recorded procedures. See billed, paid and outstanding amounts. Track expenses and review reports on revenue, profit and activity, with PDF and CSV export. WORK AS A TEAM The Practice plan lets the owner invite doctors and staff to shared patients, appointments and billing. Staff do not need individual subscriptions. Shared practice uses iCloud. Join from iPhone or iPad running iOS/iPadOS 26 or later; the practice then also works on Mac. ADDITIONAL HELP Clinic Assistant and Visit Brief use Apple Intelligence via Private Cloud Compute on supported configurations. Hardware, software and availability requirements apply. PRIVACY See our privacy policy for patient records, iCloud sharing and optional analytics and Apple Ads measurement. On iPhone/iPad, adjust measurement in Settings > Privacy. PLANS Smart Dentist is free with up to 2 patients. Two plans unlock unlimited patients: Solo — one dentist, all your devices: * Monthly $4.99 · Yearly $49.99 (save 2 months) · Lifetime $199.99 (one-time purchase) Practice — your whole team, one plan for the entire practice; staff never subscribe: * Monthly $14.99 · Yearly $149.99 (save 2 months) · Lifetime $499.99 (one-time purchase) Upgrade from Solo to Practice at any time — one subscription, never two. Prices in USD; may vary by country. Subscriptions are charged to your Apple Account at confirmation of purchase and renew automatically unless canceled at least 24 hours before the end of the current period. Manage or cancel anytime in Settings > Apple Account > Subscriptions. Lifetime plans are one-time purchases and do not renew. Terms of Service: https://zaatarlabs.com/terms Privacy Policy: https://zaatarlabs.com/privacy-policy

Screenshots

STL Simple Viewer4 screens
Smart Dentist4 screens

Verdict

The call

The clearest difference is review sentiment: Smart Dentist at 100% against STL Simple Viewer's 18%. Smart Dentist also leads on rating (4.9 vs 4.3) and ads (none vs shown). STL Simple Viewer's advantage is ratings volume (923 vs 61). On price, in-app purchases, monetization model 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 Smart Dentist sells 6 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Smart Dentist holds the better App Store score, 4.9 against 4.3. That said, the two scores are not equally well evidenced: STL Simple Viewer has 923 ratings behind it against 61, so its average is the more settled of the two. Written reviews point the same way: 18% of STL Simple Viewer's written reviews are positive against 100% of Smart Dentist's.

UpkeepUpdate frequency

STL Simple Viewer ships an update every 5 months, Smart Dentist every 2 weeks. Both last shipped on November 3, 2026.

Scorecard5 real differences · 5 level
STL Simple Viewer versus Smart Dentist: the parameters behind the verdict, then further details
ParameterSTL Simple ViewerSmart Dentist
PriceFreeFree
Rating4.3 (923 ratings)4.9 (61 ratings) — better
Positive reviews18.1% of reviews100.0% of reviews — better
Number of ratings923 — better61
Update frequencyEvery 5 monthsEvery 2 weeks — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPadiPhone, iPad, Mac — better
Requires iOS17.0 — better18.0
Further details — not scored
Size19 MB37 MB
Age rating4+4+
DeveloperVictor BovioOmar Al Homaidi

Customer experience

STL Simple Viewer

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

Smart Dentist

All ratings60 ratings
Positive98.3%
Neutral0.0%
Negative1.7%
Written reviews65 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

User reviews

STL Simple Viewer

From 923 App Store ratings

What we love

  • 🚀 Simple and intuitive viewer
  • 👍 Useful viewing options
  • 💡 Supports multiple file formats

Room to improve

  • 🐛 Frequent crashes
  • 🔋 High battery consumption
  • 🚨 Excessive and intrusive ads
  • 🔍 Limited functionality for larger files

Smart Dentist

From 61 App Store ratings

What we love

  • 👍 Extremely easy to use and navigate
  • 👍 Intuitive design, built for dentists
  • 👍 Great for managing patient records and data
  • 👍 Simplifies practice management tasks
  • 👍 Allows remote access to data

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

Smart Dentist

Requested features

2 requests
  • Ability to email treatment performed to patients
  • Add icons for individual tooth findings (e.g., implant icons)

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
6 purchases

Smart Dentist

Subscriptions4
  • All Access$4.991 Month
  • Practice$14.991 Month
  • All Access$49.991 Year
Show 1 more
  • Practice$149.991 Year
One-time2
  • Lifetime Access$199.99
  • Practice Lifetime$499.99

Questions

Is STL Simple Viewer free?
STL Simple Viewer is free to download, with in-app purchases available.
Is Smart Dentist free?
Smart Dentist is free to download, with in-app purchases available.
Which has better reviews, STL Simple Viewer or Smart Dentist?
Smart Dentist is rated higher. STL Simple Viewer averages 4.3 out of 5 from 923 ratings, while Smart Dentist averages 4.9 from 61 ratings.
Do STL Simple Viewer or Smart Dentist have ads?
STL Simple Viewer shows ads; Smart Dentist does not.
Which is updated more often, STL Simple Viewer or Smart Dentist?
STL Simple Viewer ships an update every 5 months, and Smart Dentist every 2 weeks. Most recently, STL Simple Viewer was updated on November 3, 2026 and Smart Dentist on November 3, 2026.

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