STL Master vs Million Wells
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
STL Master
View and interact with 3D models in augmented reality. Share instant screenshots and screen recordings of your designs directly from the app.
- STL file viewing
- Augmented reality (AR) mode
- Instant screenshots
- Screen recording
- Design sharing
Read full descriptionHide full description
This app also allows you to share instant screenshots and screen recording videos of your designs without using any other tools/apps.
Million Wells
Read full descriptionHide full description
The "Million Wells" app was created to help us reach our "1 million wells" goal to sustain the city of Bengaluru. We want to spread the idea of storing water and bring back the memory of the shallow aquifers. Our Vision Climate-resilient, ecologically-caring, and socially-just knowledge-based water systems for all biomes. Our Mission Facilitating livelihood-centred sustainable water and sanitation systems. Our Work Biome Trust works in association with Governments, diverse communities and organisations in varied aspects of water management. Our Partners The "Million Wells" app was created in collaboration with Design for Good (https://designforgood.org). Design for Good mobilises a global alliance to design lasting, measurable impact for the United Nations Sustainable Development Goals on a scale only achievable through worldwide collaboration. Our App The "Million Wells" app features are: - Get access to 500+ already established well locations across Bengaluru - Ability to submit details about a new well - Access detailed information about each well Learn more about us at https://biometrust.org.
Screenshots
Verdict
The clearest difference is update cadence: STL Master at monthly against Million Wells's every 6 months. STL Master also leads on device support (4 vs 2). On price, ads, in-app purchases and iOS requirement 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
STL Master ships an update monthly, Million Wells every 6 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.
| Parameter | STL Master | Million Wells |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (51 ratings) — better | — |
| Positive reviews | 86.1% of reviews | — |
| Number of ratings | 51 — better | — |
| Update frequency | Monthly — better | Every 6 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPod |
| Requires iOS | 14.1 | 13.4 — better |
| Further details — not scored | ||
| Size | 68 MB | 42 MB |
| Age rating | 4+ | 4+ |
| Developer | JA Logic Labs LLC | Atta Systems SRL |
Bugs and requests
STL Master
Reported bugs
13 issues- App crashes immediately on launch
- Files won't open or load
- Objects disappear when moved
- Inconsistent file orientation on load
- Markup mode traps user and requires app restart
Show 8 moreShow fewer
- Buttons don't toggle/close properly
- Measurement dimensions display as mirror images
- HDRI background doesn't affect model lighting
- Freezing in editing/pen tip mode
- Objects zoomed in with no zoom out capability
- Parts of model cut off or not displayed
- Mac version has significant stability issues
- iOS 10.2 compatibility crash
Requested features
13 requests- More color and material options
- Unit measurement display and metric/standard conversion
- How-to video tutorials for hidden features
- Proper zoom in/out controls
- Object positioning/movement button
Show 8 moreShow fewer
- Measurement and dimension tools
- Drag-and-drop file opening support
- Menu items for file operations
- Closeable menu buttons
- More file format support
- HDRI lighting affecting model rendering
- Save functionality for combined files
- Proper markup mode functionality
Million Wells
Not enough reviews yet to summarise bugs or requests.
In-app purchases
STL Master
No in-app purchases
Million Wells
No in-app purchases
Questions
Is STL Master free?
Is Million Wells free?
Do STL Master or Million Wells have ads?
Which is updated more often, STL Master or Million Wells?
Other comparisons















