# Lehigh Library Self Checkout vs Cortizol Tracker

The clearest difference is in-app purchases: Lehigh Library Self Checkout at none against Cortizol Tracker's 8. Lehigh Library Self Checkout also leads on iOS requirement (12.0 vs 17.0). Cortizol Tracker's advantage is update cadence (every 11 days vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. Cortizol Tracker sells 8 in-app purchases, starting at $1.99 per 7 days. Lehigh Library Self Checkout asks for nothing beyond the download.

Lehigh Library Self Checkout ships an update every 2 months, Cortizol Tracker every 11 days. The most recent releases landed on October 20, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Lehigh Library Self Checkout | Cortizol Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (26 ratings)](https://appshunter.io/ios/app/cortizol-tracker/id6759969270/reviews)** |
| Number of ratings | — | **26** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 11 days** |
| Monetization | — | Freemium |
| Size | 17 MB | 311 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 12+ |
| Developer | [Meescan Inc.](https://appshunter.io/developer/1609729285) | [PMEPLUS](https://appshunter.io/developer/1837454392) |

## What reviewers say

### Lehigh Library Self Checkout

[App page](https://appshunter.io/ios/app/lehigh-library-self-checkout/id1554370373)

**Features:** macOS Compatibility

**In-app purchases:** none


### Cortizol Tracker

[App page](https://appshunter.io/ios/app/cortizol-tracker/id6759969270)

This app uses AI to analyze stress levels by scanning your face, tracking food intake, sleep patterns, and cognitive performance. It provides detailed reports and personalized suggestions to help manage cortisol.

**Highlights:** AI facial scan for cortisol markers, Cognitive performance tests, AI food scanner with recipe suggestions, AI sleep tracking and advice, Full diagnostic report with 47 factors, Personalized recovery goals

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cortisol Pro | $1.99 | per 7 days |
| Cortisol Pro | $4.99 | per month |
| Monthly Pro | $8.99 | per month |
| Cortisol Pro Yearly | $24.99 | per year |
| Cortisol Pro Yearly | $49.99 | per year |
| Re evaluate | $4.99 | one-time |
| Cortisol Pro LifeTime | $44.99 | one-time |
| Cortisol Pro Lifetime | $99.99 | one-time |


## Frequently asked questions

### Is Lehigh Library Self Checkout free?

Lehigh Library Self Checkout is free to download, with no in-app purchases.

### Is Cortizol Tracker free?

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

### Do Lehigh Library Self Checkout or Cortizol Tracker have ads?

Neither Lehigh Library Self Checkout nor Cortizol Tracker shows ads.

### Which is updated more often, Lehigh Library Self Checkout or Cortizol Tracker?

Lehigh Library Self Checkout ships an update every 2 months, and Cortizol Tracker every 11 days. Most recently, Lehigh Library Self Checkout was updated on October 20, 2026 and Cortizol Tracker on October 24, 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.*