# Chat Vibe Check vs Cortisol Index

The clearest difference is ads: Chat Vibe Check at none against Cortisol Index's shown. Chat Vibe Check also leads on update cadence (every 3 days vs every 6 weeks) and iOS requirement (13 vs 16.6). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Chat Vibe Check sells 3 in-app purchases, starting at $0.99 per 7 days and Cortisol Index sells 1 in-app purchase, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Chat Vibe Check ships an update every 3 days, Cortisol Index every 6 weeks. The most recent releases landed on October 28, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Chat Vibe Check | Cortisol Index |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (4 ratings)](https://appshunter.io/ios/app/cortisol-index/id6743096400/reviews)** |
| Number of ratings | — | **4** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 days** | Every 6 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 77 MB | 24 MB |
| Requires iOS | **13** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [won choi](https://appshunter.io/developer/1659403932) | [Jonathan Goldman](https://appshunter.io/developer/1774235948) |

## What reviewers say

### Chat Vibe Check

[App page](https://appshunter.io/ios/app/chat-vibe-check-chat-analyzer/id6742811212)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LoveExpert_Subscription_w1 | $0.99 | per 7 days |
| Chat Vibe Subscription 1 Month | $4.99 | per month |
| LoveExpert Subscription y1 | $29.99 | per year |


### Cortisol Index

[App page](https://appshunter.io/ios/app/cortisol-index/id6743096400)

This fun, AI-powered photo app playfully analyzes your picture to generate an aura reading, vibe description, and a humorous stress score. It's designed purely for entertainment, allowing you to share your results with friends or on social media.

**Highlights:** AI Aura Reading, Vibe Description, Humorous Stress Score, Overlay Captions, Shareable Results, Photo Analysis

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $1.99 | per month |


## Frequently asked questions

### Is Chat Vibe Check free?

Chat Vibe Check is free to download, with in-app purchases available.

### Is Cortisol Index free?

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

### Do Chat Vibe Check or Cortisol Index have ads?

Cortisol Index shows ads; Chat Vibe Check does not.

### Which is updated more often, Chat Vibe Check or Cortisol Index?

Chat Vibe Check ships an update every 3 days, and Cortisol Index every 6 weeks. Most recently, Chat Vibe Check was updated on October 28, 2026 and Cortisol Index on October 20, 2026.

---

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