# EsSchool Parent vs Cortex

The clearest difference is in-app purchases: EsSchool Parent at none against Cortex's 2. EsSchool Parent also leads on iOS requirement (10.0 vs 17.0). Cortex's advantage is update cadence (weekly vs every 18 months). On price, ads and device support there is nothing between them.

Both are free to download. Cortex sells 2 in-app purchases, starting at $11.99 per month. EsSchool Parent asks for nothing beyond the download.

EsSchool Parent ships an update every 18 months, Cortex weekly. The most recent releases landed on October 6, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | EsSchool Parent | Cortex |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 18 months | **Weekly** |
| Size | 32 MB | 87 MB |
| Requires iOS | **10.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [NATEJ FOR INFORMATION TECHNOLOGY](https://appshunter.io/developer/1502929398) | [Rudrakshi Patel](https://appshunter.io/developer/6775265360) |

## What reviewers say

### EsSchool Parent

[App page](https://appshunter.io/ios/app/esschool-parent/id1511768118)

**Features:** macOS Compatibility

**In-app purchases:** none


### Cortex

[App page](https://appshunter.io/ios/app/cortex-solve-clinical-cases/id6784620799)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cortex Monthly Subscription | $11.99 | per month |
| Cortex Yearly Subscription | $79.99 | per year |


## Frequently asked questions

### Is EsSchool Parent free?

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

### Is Cortex free?

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

### Do EsSchool Parent or Cortex have ads?

Neither EsSchool Parent nor Cortex shows ads.

### Which is updated more often, EsSchool Parent or Cortex?

EsSchool Parent ships an update every 18 months, and Cortex weekly. Most recently, EsSchool Parent was updated on October 6, 2026 and Cortex on October 17, 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.*