# Prompt Flex vs CTGi

The clearest difference is update cadence: CTGi at every 3 months against Prompt Flex's every 11 months. Prompt Flex's advantage is device support (3 vs 1) and iOS requirement (5.1.1 vs 13.0). On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Prompt Flex against 5.0 for CTGi. Both are backed by a comparable volume of ratings — 2 and 2 respectively.

Prompt Flex ships an update every 11 months, CTGi every 3 months. Both last shipped on October 2, 2026.

## The numbers

| Metric | Prompt Flex | CTGi |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/prompt-flex/id989972698/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/ctgi/id1342875195/reviews) |
| Number of ratings | 2 | 2 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 49 MB | 23 MB |
| Requires iOS | **5.1.1** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 17+ |
| Developer | [Limbs and Things](https://appshunter.io/developer/989972697) | [iSimulate Pty Ltd](https://appshunter.io/developer/494486341) |

## What reviewers say

### Prompt Flex

[App page](https://appshunter.io/ios/app/prompt-flex/id989972698)

This app simulates birthing scenarios for midwifery trainees and trainers, allowing for step-by-step recording and time tracking of deliveries. It can also monitor traction force during difficult deliveries when paired with a compatible simulator.

**Highlights:** Birthing scenario simulation, Step-by-step intervention recording, Delivery time tracking, Traction force monitoring, Meter mode for force practice, Email results for debriefing

**Features:** macOS Compatibility

**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 Prompt Flex free?

Prompt Flex 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, Prompt Flex or CTGi?

Prompt Flex and CTGi are both rated 5.0 out of 5 on the App Store, from 2 and 2 ratings respectively.

### Do Prompt Flex or CTGi have ads?

Neither Prompt Flex nor CTGi shows ads.

### Which is updated more often, Prompt Flex or CTGi?

Prompt Flex ships an update every 11 months, and CTGi every 3 months. Most recently, Prompt Flex was updated on October 2, 2026 and CTGi on October 2, 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.*