# Principia vs BHM

The clearest difference is in-app purchases: BHM at none against Principia's 3. BHM also leads on ads (none vs shown) and iOS requirement (15.6 vs 17.6). On price and device support there is nothing between them.

Both are free to download. Principia sells 3 one-off in-app purchases. BHM asks for nothing beyond the download.

## The numbers

| Metric | Principia | BHM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (2 ratings)](https://appshunter.io/ios/app/principia-smart-ai-studio/id6740216432/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | — |
| Monetization | Ad-supported | — |
| Size | 26 MB | 32 MB |
| Requires iOS | 17.6 | **15.6** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Edgar Zuniga](https://appshunter.io/developer/1647129574) | [Mandir LTD](https://appshunter.io/developer/1695988314) |

## What reviewers say

### Principia

[App page](https://appshunter.io/ios/app/principia-smart-ai-studio/id6740216432)

A private, customizable AI assistant for chat, writing, coding, and image analysis. It adapts to your needs, allowing you to choose AI models, set personalities, and keep your data local and private. Create content, code, and learn faster with this flexible AI tool.

**Highlights:** Customizable AI models, Personalized AI behavior, Context-aware chat, Image analysis and insights, Content creation, Code generation and debugging, Learning and research tools, Privacy-first, local storage

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 50 Credits | $0.99 | one-time |
| 150 Credits | $1.99 | one-time |
| 600 Credits | $6.99 | one-time |


### BHM

[App page](https://appshunter.io/ios/app/bhm-operations/id6748209656)

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

**In-app purchases:** none


## Frequently asked questions

### Is Principia free?

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

### Is BHM free?

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

### Do Principia or BHM have ads?

Principia shows ads; BHM does not.

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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.*