# STL Viewer vs Local LLM

The clearest difference is update cadence: Local LLM at weekly against STL Viewer's every 43 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

STL Viewer ships an update every 43 months, Local LLM weekly. The most recent releases landed on October 8, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | STL Viewer | Local LLM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/local-llm-on-device/id6804004948/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 43 months | **Weekly** |
| Monetization | — | Free |
| Size | 4 MB | 68 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Felipe Marques de Barros](https://appshunter.io/developer/1459294806) | [Yanchen Zhao](https://appshunter.io/developer/1866053547) |

## What reviewers say

### STL Viewer

[App page](https://appshunter.io/ios/app/stl-viewer/id6445801487)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Local LLM

[App page](https://appshunter.io/ios/app/local-llm-on-device/id6804004948)

This app allows you to run powerful AI language models directly on your iPhone, offering offline chat, photo analysis, and document interaction. Download various models or utilize Apple's on-device AI for private, cloud-free conversations and tasks.

**Highlights:** On-device AI model execution, Offline chat and document processing, Photo analysis capabilities, Live voice input, Model catalog for downloads, Privacy-focused, no cloud backend

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is STL Viewer free?

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

### Is Local LLM free?

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

### Do STL Viewer or Local LLM have ads?

Neither STL Viewer nor Local LLM shows ads.

### Which is updated more often, STL Viewer or Local LLM?

STL Viewer ships an update every 43 months, and Local LLM weekly. Most recently, STL Viewer was updated on October 8, 2026 and Local LLM on October 10, 2026.

---

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