# Embryology Lectures vs CTGfai

The clearest difference is price: CTGfai at Free against Embryology Lectures's $3.99. Embryology Lectures's advantage is iOS requirement (12.0 vs 15.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

CTGfai is free to download; Embryology Lectures costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Embryology Lectures ships an update every 10 months, CTGfai every 6 months. The most recent releases landed on November 1, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Embryology Lectures | CTGfai |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/embryology-lectures/id424554941/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 6 months** |
| Monetization | Paid | — |
| Size | 72 MB | 35 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Andrew Whitaker](https://appshunter.io/developer/373474191) | [Tizfai Technologies AB](https://appshunter.io/developer/1724236980) |

## What reviewers say

### Embryology Lectures

[App page](https://appshunter.io/ios/app/embryology-lectures/id424554941)

Explore human anatomy through a comprehensive series of lectures on embryology. This app features 120 detailed diagrams with 90 minutes of audio narration, ideal for medical students and professionals seeking to refresh their knowledge.

**Highlights:** 120 detailed diagrams, 90 minutes of audio lectures, Zoomable diagrams, Portrait and landscape modes, Expert instruction from Dr. Robert Whitaker

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

**In-app purchases:** none


### CTGfai

[App page](https://appshunter.io/ios/app/ctgfai/id6499474182)

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

**In-app purchases:** none


## Frequently asked questions

### Is Embryology Lectures free?

Embryology Lectures costs $3.99, with no in-app purchases.

### Is CTGfai free?

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

### Do Embryology Lectures or CTGfai have ads?

Neither Embryology Lectures nor CTGfai shows ads.

### Which is updated more often, Embryology Lectures or CTGfai?

Embryology Lectures ships an update every 10 months, and CTGfai every 6 months. Most recently, Embryology Lectures was updated on November 1, 2026 and CTGfai 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.*