# Avkin vs CTGi

The clearest difference is rating: CTGi at 5.0 against Avkin's 4.7. CTGi also leads on iOS requirement (13.0 vs 15.1). Avkin's advantage is update cadence (monthly vs every 3 months) and ratings volume (13 vs 2). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

CTGi holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Avkin has 13 ratings behind it against 2, so its average is the more settled of the two.

Avkin ships an update monthly, CTGi every 3 months. The most recent releases landed on August 8, 2026 and September 1, 2026 respectively.

## The numbers

| Metric | Avkin | CTGi |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (13 ratings)](https://appshunter.io/ios/app/avkin/id1275265620/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/ctgi/id1342875195/reviews)** |
| Number of ratings | **13** | 2 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Monetization | Free | Free |
| Size | 45 MB | 23 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 12+ | 17+ |
| Developer | [Avkin, Inc](https://appshunter.io/developer/1868403058) | [iSimulate Pty Ltd](https://appshunter.io/developer/494486341) |

## What reviewers say

### Avkin

[App page](https://appshunter.io/ios/app/avkin/id1275265620)

This application serves as a control interface for advanced wearable medical simulators designed for nursing students. It enables users to manage various simulated patient conditions and physiological sounds, enhancing hands-on learning experiences.

**Highlights:** Control Bluetooth-enabled Avkin products, Simulate lung sounds, Simulate heart sounds, Manage Avtrach, Avline, Avtone, Avthor, Avwound, Avband, Avbirth, Enhance nursing education

**Features:** Vision Pro support

**In-app purchases:** none


### CTGi

[App page](https://appshunter.io/ios/app/ctgi/id1342875195)

This app simulates a fetal heart rate monitor for obstetric training. It offers a realistic and economical platform for facilitators and students to learn and practice. Utilizing everyday technology, it provides an advanced simulation experience.

**Highlights:** Realistic fetal heart rate monitoring simulation, Economical training solution, Ideal for in-situ training, Advanced obstetric simulation, Built with everyday technology

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Avkin free?

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

### Is CTGi free?

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

### Which has better reviews, Avkin or CTGi?

CTGi is rated higher. Avkin averages 4.7 out of 5 from 13 ratings, while CTGi averages 5.0 from 2 ratings.

### Do Avkin or CTGi have ads?

Neither Avkin nor CTGi shows ads.

### Which is updated more often, Avkin or CTGi?

Avkin ships an update monthly, and CTGi every 3 months. Most recently, Avkin was updated on August 8, 2026 and CTGi on September 1, 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.*