# PromptCodex vs Harness Chat

The clearest difference is in-app purchases: Harness Chat at none against PromptCodex's 2. Harness Chat also leads on iOS requirement (17.0 vs 26.2). On price, ads and device support there is nothing between them.

Both are free to download. PromptCodex sells 2 in-app purchases, starting at $2.99 per month. Harness Chat asks for nothing beyond the download.

## The numbers

| Metric | PromptCodex | Harness Chat |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (3 ratings)](https://appshunter.io/ios/app/promptcodex-ai-library/id6763639533/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 75 MB | 18 MB |
| Requires iOS | 26.2 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Life Utility Apps, LLC](https://appshunter.io/developer/1721977600) | [JADEN CALEB KWEK](https://appshunter.io/developer/6782401336) |

## What reviewers say

### 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 |


### Harness Chat

[App page](https://appshunter.io/ios/app/harness-chat/id6788784278)

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

**In-app purchases:** none


## Frequently asked questions

### Is PromptCodex free?

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

### Is Harness Chat free?

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

### Do PromptCodex or Harness Chat have ads?

Neither PromptCodex nor Harness Chat shows ads.

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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.*