STL File Viewer Pro Downloads & RevenueSTL File Viewer Pro · App Store
STL File Viewer Pro is #5 in Developer Tools Grossing in India and charting in 9 of 30 countries we track.
Updated 8 Nov 2026 · rankings refresh through the day
24 Sep 2026STL File Viewer Pro update history & changes
Last change · 27 events since 24 Mar 2025Full timeline ↓Full timeline · 27 events
- 📈STL File Viewer Pro entered the top 100 in 2 chartsTop Free · Developer Tools · GB · Top Grossing · Developer Tools · JP
- 📈STL File Viewer Pro charting in a new countryJapan
- 📈STL File Viewer Pro entered the top 100Top Free · Developer Tools · DE
- 📈STL File Viewer Pro entered the top 10Top Grossing · Developer Tools · RU
- 📈STL File Viewer Pro entered the top 100Top Free · Developer Tools · ID
- 📈STL File Viewer Pro entered the top 10Top Grossing · Developer Tools · AU
- 📈STL File Viewer Pro entered the top 100Top Grossing · Developer Tools · CN
- 📈STL File Viewer Pro charting in a new countryChina
- 📈STL File Viewer Pro entered the top 10Top Grossing · Developer Tools · AE
- 📈STL File Viewer Pro entered the top 100Top Free · Developer Tools · AU
- 📈STL File Viewer Pro entered the top 10Top Grossing · Developer Tools · SA
- 📈STL File Viewer Pro entered the top 100Top Free · Developer Tools · AE
- 📈STL File Viewer Pro entered the top 100Top Grossing · Developer Tools · ID
- 📈STL File Viewer Pro charting in a new countryIndonesia
- 📈STL File Viewer Pro entered the top 10Top Grossing · Developer Tools · CA
- 📈STL File Viewer Pro entered the top 100 in 2 chartsTop Grossing · Developer Tools · AU · Top Grossing · Developer Tools · BR
- 📈STL File Viewer Pro charting in a new countryAustralia
- 📈STL File Viewer Pro entered the top 100Top Free · Developer Tools · IT
- 📈STL File Viewer Pro entered the top 10Top Grossing · Developer Tools · GB
- 📈STL File Viewer Pro entered the top 100Top Free · Developer Tools · RU
- 📈STL File Viewer Pro entered the top 10Top Grossing · Developer Tools · IN
- 📈STL File Viewer Pro charting in a new country in 2 chartsFrance · Italy
- 📈STL File Viewer Pro entered the top 100 in 2 chartsTop Free · Developer Tools · BR · Top Free · Developer Tools · KR
- 📈STL File Viewer Pro charting in a new country in 2 chartsBrazil · South Korea
- 🆕STL File Viewer Pro first spotted by AppInsider#62 in Top Grossing · Developer Tools · United Kingdom
- 📦STL File Viewer Pro version 6No release notes
- 🆕STL File Viewer Pro released on the App Store
Collected from the stores by AppInsider since we first spotted the app. Dates are when we saw each change.
Developer Tools GrossingSTL File Viewer Pro at a glance
AI summary written from our chart and store data, 2026-11-07. It can be wrong: check the numbers above.
A free iOS utility for viewing, rotating, and inspecting 3D STL files without requiring an account, designed for 3D printing enthusiasts, engineers, and designers. The app is ranking #5 in the US Developer Tools Grossing chart and #33 in Free, indicating strong monetization or high engagement relative to its category despite being a free download.
Similar apps: Autodesk Viewer, MeshLab, STL Viewer by QuickApp
STL File Viewer Pro on the App Store
App details
App privacy Measured
STL File Viewer Pro’s App Store privacy label declares 1 data category used to track you across other companies’ apps and websites, 0 linked to your identity and 2 collected anonymously.
As declared by the developer on the App Store — Apple requires every app to publish this label. We track changes over time.
STL File Viewer Pro downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Where STL File Viewer Pro's downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
Active users
All platforms, worldwide. Free with an account.
Retention · share of new users still active
Time spent · per daily user
How this is calculated
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| India | Developer ToolsGrossing | #5 |
 United States | Developer ToolsGrossing | #42 |
 Germany | Developer ToolsGrossing | #49 |
| United States | Developer ToolsFree | #156 |
| United Kingdom | Developer ToolsGrossing | #80 |
 Saudi Arabia | Developer ToolsGrossing | #23 |
| India | Developer ToolsFree | #52 |
 Indonesia | Developer ToolsGrossing | #42 |
 Brazil | Developer ToolsGrossing | #79 |
 Canada | Developer ToolsFree | #105 |
 Russia | Developer ToolsFree | #130 |
Apps near STL File Viewer Pro on the chart
Developer Tools Grossing, around #5.
Ratings
App Store, worldwide.
Review momentum
ⓘ How we measure thisNew ratings by country (2)
| Country | New ratings a week | Share | Last 2 weeks vs the 2 before |
|---|---|---|---|
| India | 2.2 | 69% | ▲ +20% |
| United States | 1 | 31% | – |
App Store ratings in the countries we track, 4-week average.
Review momentum (0-100) blends how fast the app collects ratings compared with other apps in its category (60%), whether that pace is speeding up (25%) and what recent raters give it (15%; recent stars well below lifetime pull it down). Ratings counts are read daily. A jump usually means a launch, a feature, ads or a new review prompt.
What users say about STL File Viewer Pro
From the 5 most recent App Store reviews in the US.
Users overwhelmingly report that the app is unusable due to an excessive frequency of pop-up ads. Reviewers describe the experience as a scam and recommend free alternatives on PC instead.
Mostly negative (0% of recent reviews give 4–5 stars). The main complaints are about ads.
Common complaints
- Ads: “Completely riddled with ads”
About STL File Viewer Pro
Open any STL file in seconds — no sign-up, no clutter, just your 3D model ready to explore.
STL File Viewer lets you load, rotate, zoom, and inspect 3D STL files directly on your iPhone or iPad. Built for speed, it handles everything from small parts to complex models smoothly.
Whether you're reviewing jewelry CAD files before production, checking 3D print files for errors, or inspecting engineering designs on the go — this is the fastest way to view STL files on iOS.
WHAT YOU GET:
Instant file loading — open STL files from Files, email, AirDrop, or any app
Full 360° control — rotate, zoom, and pan with intuitive touch gestures
Measure STL file distance between 2 points
Estimate STL File Weight in different materials
Sharp detail rendering
Light & dark mode — comfortable viewing anywhere
Lightweight & fast — no bloat, no lag
BUILT FOR:
- 3D printing enthusiasts previewing files before printing
- Jewelry designers reviewing CAD models
- Engineers and architects inspecting parts on the go
- Students and hobbyists exploring 3D models
No account required. Just open and view using our simple STL Viewer App.
Download now and see your CAD files the way they're meant to be seen.
Terms of Service: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
