# STL Master vs Adept Roll

The clearest difference is rating: Adept Roll at 4.8 against STL Master's 4.2. Adept Roll also leads on update cadence (every 3 days vs monthly) and ratings volume (205 vs 49). STL Master's advantage is in-app purchases (none vs 3) and device support (4 vs 2). On price, review sentiment and ads there is nothing between them.

Both are free to download. Adept Roll sells 3 in-app purchases, starting at $5.99 per year. STL Master asks for nothing beyond the download.

Adept Roll holds the better App Store score, 4.8 against 4.2. Both are backed by a comparable volume of ratings — 49 and 205 respectively. Written reviews complicate that: 86% of STL Master's written reviews are positive against 80% of Adept Roll's, so the app with the better star average is not the one people write more warmly about.

STL Master ships an update monthly, Adept Roll every 3 days. The most recent releases landed on October 15, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | STL Master | Adept Roll |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (49 ratings)](https://appshunter.io/ios/app/stl-master/id1435885139/reviews) | **[4.8 (205 ratings)](https://appshunter.io/ios/app/adept-roll-mathhammer-app/id1480073816/reviews)** |
| Number of ratings | 49 | **205** |
| Positive reviews | **86.1% of reviews** | 80.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 68 MB | 48 MB |
| Requires iOS | **14.1** | 16.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [JA Logic Labs LLC](https://appshunter.io/developer/1745984849) | [Jake Noble](https://appshunter.io/developer/1479899154) |

## What reviewers say

### STL Master

[App page](https://appshunter.io/ios/app/stl-master/id1435885139)

View and interact with 3D models in augmented reality. Share instant screenshots and screen recordings of your designs directly from the app.

**Highlights:** STL file viewing, Augmented reality (AR) mode, Instant screenshots, Screen recording, Design sharing

**In-app purchases:** none

**What reviewers like**

- 🚀 Fast and smooth rendering performance
- 💰 Completely free with no ads or trackers
- 🎨 High-quality rendering and visualization
- 📱 Works well on mobile devices (iPhone, iPad)
- 🌐 AR (Augmented Reality) feature

**What reviewers complain about**

- 🐛 Frequent crashes and freezing
- 🖱️ Difficult object manipulation and navigation
- 🔍 Zoom limitations (hard to zoom out/in)
- ❌ Inconsistent file loading and orientation
- 🎨 Overly shiny/metallic default appearance

**Reported bugs**

- 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

**Requested features**

- 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


### Adept Roll

[App page](https://appshunter.io/ios/app/adept-roll-mathhammer-app/id1480073816)

This app provides advanced statistical analysis for tabletop wargaming army matchups. It allows users to import unit profiles, simulate combat scenarios with various abilities and modifiers, and export results for further review. Optimize your strategy with detailed combat simulations and ROI calculations.

**Highlights:** Army vs Army combat simulation, Import hundreds of unit profiles, Create multiple weapons per unit, Apply abilities and modifiers, Export results to CSV, Calculate Return on Investment, Tournament Mode

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Annual Pro Subscription | $5.99 | per year |
| Adept Roll Pro | $5.99 | per year |
| Adept Roll Super Pro | $12.99 | per year |

**What reviewers like**

- 👍 Easy to use and intuitive UI
- 🚀 Quick and easy scenario testing
- 💡 Fantastic database of existing profiles
- ✅ Great for list building and theorycrafting
- 💯 Highly recommended for 40k players

**What reviewers complain about**

- 👎 Not very intuitive for some users
- 👎 Difficult to load units/weapon profiles
- 👎 Unclear how to attach leaders to units
- 👎 Import mechanics are cumbersome
- 👎 Subscription-based service

**Reported bugs**

- App is outdated for chaos factions
- Some incorrect results observed (exploding 6s, auto-wounding)
- Could not get it to work
- Not updated for 9ed
- Errors in calculations

**Requested features**

- Ability to attach leaders to units
- More intuitive import mechanics
- Reverse button to swap attacker/defender
- Ability to edit custom profiles
- Update for newer editions (e.g., 9ed)


## Frequently asked questions

### Is STL Master free?

STL Master is free to download, with no in-app purchases.

### Is Adept Roll free?

Adept Roll is free to download, with in-app purchases available.

### Which has better reviews, STL Master or Adept Roll?

Adept Roll is rated higher. STL Master averages 4.2 out of 5 from 49 ratings, while Adept Roll averages 4.8 from 205 ratings.

### Do STL Master or Adept Roll have ads?

Neither STL Master nor Adept Roll shows ads.

### Which is updated more often, STL Master or Adept Roll?

STL Master ships an update monthly, and Adept Roll every 3 days. Most recently, STL Master was updated on October 15, 2026 and Adept Roll on October 20, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*