# Cerebrum ID vs Ischemic Stroke

The clearest difference is price: Ischemic Stroke at Free against Cerebrum ID's $4.99. Ischemic Stroke also leads on update cadence (every 9 months vs every 37 months). Cerebrum ID's advantage is iOS requirement (11.0 vs 16.4). On ads, in-app purchases and device support there is nothing between them.

Ischemic Stroke is free to download; Cerebrum ID costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Cerebrum ID ships an update every 37 months, Ischemic Stroke every 9 months. The most recent releases landed on November 6, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Cerebrum ID | Ischemic Stroke |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 37 months | **Every 9 months** |
| Size | 23 MB | 51 MB |
| Requires iOS | **11.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Blue Tree Publishing, Inc.](https://appshunter.io/developer/496143325) | [Yahia M. Lodi Physician PC](https://appshunter.io/developer/1699619363) |

## What reviewers say

### Cerebrum ID

[App page](https://appshunter.io/ios/app/cerebrum-id/id916296922)

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

**In-app purchases:** none


### Ischemic Stroke

[App page](https://appshunter.io/ios/app/ischemic-stroke/id6453942957)

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

**In-app purchases:** none


## Frequently asked questions

### Is Cerebrum ID free?

Cerebrum ID costs $4.99, with no in-app purchases.

### Is Ischemic Stroke free?

Ischemic Stroke is free to download, with no in-app purchases.

### Do Cerebrum ID or Ischemic Stroke have ads?

Neither Cerebrum ID nor Ischemic Stroke shows ads.

### Which is updated more often, Cerebrum ID or Ischemic Stroke?

Cerebrum ID ships an update every 37 months, and Ischemic Stroke every 9 months. Most recently, Cerebrum ID was updated on November 6, 2026 and Ischemic Stroke on October 27, 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.*