# STL Simple Viewer vs V2

The clearest difference is review sentiment: V2 at 100% against STL Simple Viewer's 18%. V2 also leads on rating (5.0 vs 4.3) and in-app purchases (none vs 4). STL Simple Viewer's advantage is ratings volume (909 vs 2). On price, monetization model, device support and iOS requirement there is nothing between them.

Both are free to download. STL Simple Viewer sells 4 in-app purchases, starting at $0.99 per 7 days. V2 asks for nothing beyond the download.

V2 holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: STL Simple Viewer has 909 ratings behind it against 2, 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 V2's.

STL Simple Viewer ships an update every 5 months, V2 every 2 days. Both last shipped on October 21, 2026.

## The numbers

| Metric | STL Simple Viewer | V2 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (909 ratings)](https://appshunter.io/ios/app/stl-simple-viewer/id1493598400/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/v2-forge-your-next-self/id6816681364/reviews)** |
| Number of ratings | **909** | 2 |
| Positive reviews | 18.1% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Every 2 days** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 19 MB | 90 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Victor Bovio](https://appshunter.io/developer/327627515) | [Vijayanarayanan Suresh Kumar](https://appshunter.io/developer/6778717601) |

## What reviewers say

### STL Simple Viewer

[App page](https://appshunter.io/ios/app/stl-simple-viewer/id1493598400)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro version (1 week plan) | $0.99 | per 7 days |
| Pro version (1 month plan) | $1.99 | per month |
| Remove Ads | $2.99 | one-time |
| Export Pack | $3.99 | one-time |

**What reviewers like**

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

**What reviewers complain about**

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

**Reported bugs**

- 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**

- Add ability to save color/lighting settings
- Improve stability and reduce crashes
- Provide an ad-free paid version


### V2

[App page](https://appshunter.io/ios/app/v2-forge-your-next-self/id6816681364)

Transform daily routines into a mythic journey. Build habits, earn experience, and watch your character evolve as you progress through ranks. Features include customizable rituals, streak tracking, and private data storage.

**Highlights:** Customizable habit creation, Gamified progression system (XP, ranks, levels), Streak tracking and streak passes, Vacation and recovery day planning, Data export and iCloud sync, Interactive widgets and reminders, Optional V2 Plus subscription for advanced features

**In-app purchases:** none


## Frequently asked questions

### Is STL Simple Viewer free?

STL Simple Viewer is free to download, with in-app purchases available.

### Is V2 free?

V2 is free to download, with no in-app purchases.

### Which has better reviews, STL Simple Viewer or V2?

V2 is rated higher. STL Simple Viewer averages 4.3 out of 5 from 909 ratings, while V2 averages 5.0 from 2 ratings.

### Do STL Simple Viewer or V2 have ads?

STL Simple Viewer shows ads; V2 does not.

### Which is updated more often, STL Simple Viewer or V2?

STL Simple Viewer ships an update every 5 months, and V2 every 2 days. Most recently, STL Simple Viewer was updated on October 21, 2026 and V2 on October 21, 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.*