# LLM Studio vs PromptCodex

The clearest difference is rating: LLM Studio at 5.0 against PromptCodex's 4.3. LLM Studio also leads on update cadence (fortnightly vs every 2 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. LLM Studio sells 2 in-app purchases, starting at $2.99 per 7 days and PromptCodex sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

LLM Studio holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 3 and 3 respectively.

LLM Studio ships an update fortnightly, PromptCodex every 2 months. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | LLM Studio | PromptCodex |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/llm-studio-local-ai-chat/id6761550784/reviews)** | [4.3 (3 ratings)](https://appshunter.io/ios/app/promptcodex-ai-library/id6763639533/reviews) |
| Number of ratings | 3 | 3 |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Freemium | Free with in-app purchases |
| Size | 12 MB | 75 MB |
| Requires iOS | 26.4 | **26.2** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 9+ | 4+ |
| Developer | [Maxim Svitavsky](https://appshunter.io/developer/1567067238) | [Life Utility Apps, LLC](https://appshunter.io/developer/1721977600) |

## What reviewers say

### LLM Studio

[App page](https://appshunter.io/ios/app/llm-studio-local-ai-chat/id6761550784)

Experience powerful AI chatbots locally on your device without needing an internet connection. Choose from various open-source models and chat privately and securely, with all conversations remaining on your phone.

**Highlights:** Offline AI chat, No internet required, Data privacy, Variety of open-source models, Local device conversations

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pro | $2.99 | per 7 days |
| Annually | $99.99 | per year |


### PromptCodex

[App page](https://appshunter.io/ios/app/promptcodex-ai-library/id6763639533)

Manage and reuse AI prompts for various language models in a structured library. Create dynamic prompts with variables, save variants, and track usage. All data remains on your device for enhanced privacy.

**Highlights:** Organize prompts with folders, categories, and tags, Create dynamic prompts with placeholders, Save and compare prompt variants, Browse and import curated sample prompts, Track prompt copy counts and usage, Offline functionality and device-only data storage, Secure with Face ID/Touch ID

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $2.99 | per month |
| Lifetime Access | $14.99 | one-time |


## Frequently asked questions

### Is LLM Studio free?

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

### Is PromptCodex free?

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

### Which has better reviews, LLM Studio or PromptCodex?

LLM Studio is rated higher. LLM Studio averages 5.0 out of 5 from 3 ratings, while PromptCodex averages 4.3 from 3 ratings.

### Do LLM Studio or PromptCodex have ads?

Neither LLM Studio nor PromptCodex shows ads.

### Which is updated more often, LLM Studio or PromptCodex?

LLM Studio ships an update fortnightly, and PromptCodex every 2 months. Most recently, LLM Studio was updated on October 28, 2026 and PromptCodex on October 25, 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.*