# Dimensions AR vs Private LLM

The clearest difference is price: Dimensions AR at Free against Private LLM's $4.99. Dimensions AR also leads on rating (5.0 vs 4.1) and iOS requirement (13.0 vs 17.0). Private LLM's advantage is ads (none vs shown) and update cadence (every 5 weeks vs every 24 months). On in-app purchases and device support there is nothing between them.

Dimensions AR is free to download; Private LLM costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Dimensions AR holds the better App Store score, 5.0 against 4.1. That said, the two scores are not equally well evidenced: Private LLM has 750 ratings behind it against 4, so its average is the more settled of the two.

Dimensions AR ships an update every 24 months, Private LLM every 5 weeks. The most recent releases landed on November 2, 2026 and November 12, 2026 respectively.

## The numbers

| Metric | Dimensions AR | Private LLM |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/dimensions-ar/id1375723029/reviews)** | [4.1 (750 ratings)](https://appshunter.io/ios/app/private-llm-local-ai-chat/id6448106860/reviews) |
| Number of ratings | 4 | **750** |
| Positive reviews | — | 48.8% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 24 months | **Every 5 weeks** |
| Monetization | **Ad-supported** | Paid |
| Best chart rank | — | **#9** |
| Size | 6 MB | 1.3 GB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 12+ |
| Developer | [Noriaki Murao](https://appshunter.io/developer/1289002723) | [Numen Technologies Limited](https://appshunter.io/developer/1683507194) |

## What reviewers say

### Dimensions AR

[App page](https://appshunter.io/ios/app/dimensions-ar/id1375723029)

Visualize product dimensions in your real-world space using augmented reality. Avoid online shopping mistakes by accurately checking if items fit before purchasing. Simply input dimensions and place a virtual 3D model.

**Highlights:** Augmented Reality visualization, Virtual 3D object placement, Accurate size checking, Pre-purchase product assessment, Intuitive user interface

**In-app purchases:** none


### Private LLM

[App page](https://appshunter.io/ios/app/private-llm-local-ai-chat/id6448106860)

**Currently charting:** #9 Top Paid · Utilities, #94 Top Paid (US App Store)

This AI assistant offers advanced on-device capabilities for productivity and creativity, ensuring your interactions remain confidential and offline. It supports a wide range of open-source LLM models and integrates seamlessly with Siri and Shortcuts.

**Highlights:** On-device AI processing, Wide selection of open-source LLM models, Siri and Shortcuts integration, Customizable system prompts, Offline functionality, Family Sharing support

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Amazing AI app
- 🔒 Privacy-focused local LLM app
- 👍 Optimized for Apple devices
- 👍 Wonderful developers and great community
- 👍 Plenty of models to choose from

**What reviewers complain about**

- 🐛 Crashes a lot
- 🐛 Buggy and unstable
- 🐛 Slow and crashes often
- 🐛 Vile trash and unusable
- 🐛 Inaccurate and provides strange responses

**Reported bugs**

- Crashes when downloading larger models
- Shortcuts integration issues
- Conversations get cleared when switching away
- Doesn't work with accessibility features

**Requested features**

- Allow importing own models
- Add chat history and export options
- Implement voice to chat and RAG features
- Add support for larger models on Mac
- Provide more information about each model


## Frequently asked questions

### Is Dimensions AR free?

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

### Is Private LLM free?

Private LLM costs $4.99, with no in-app purchases.

### Which has better reviews, Dimensions AR or Private LLM?

Dimensions AR is rated higher. Dimensions AR averages 5.0 out of 5 from 4 ratings, while Private LLM averages 4.1 from 750 ratings.

### Do Dimensions AR or Private LLM have ads?

Dimensions AR shows ads; Private LLM does not.

### Which is updated more often, Dimensions AR or Private LLM?

Dimensions AR ships an update every 24 months, and Private LLM every 5 weeks. Most recently, Dimensions AR was updated on November 2, 2026 and Private LLM on November 12, 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.*