# Nerva vs CoreTrace

The clearest difference is device support: Nerva at 3 against CoreTrace's 1. Nerva also leads on iOS requirement (15.0 vs 18.2). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Nerva sells 4 in-app purchases, starting at $43.99 per month and CoreTrace sells 1 in-app purchase, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Nerva ships an update weekly, CoreTrace every 4 days. The most recent releases landed on September 28, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Nerva | CoreTrace |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (15K ratings)](https://appshunter.io/ios/app/nerva-gut-brain-program/id1467398796/reviews)** | — |
| Number of ratings | **15K** | — |
| Positive reviews | 72.5% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 134 MB | 3 MB |
| Requires iOS | **15.0** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 12+ |
| Developer | [Mindset Health Pty Ltd](https://appshunter.io/developer/1255073245) | [ZACHARY JOHN LEA](https://appshunter.io/developer/1691854617) |

## What reviewers say

### Nerva

[App page](https://appshunter.io/ios/app/nerva-gut-brain-program/id1467398796)

This app offers a personalized gut-brain therapy program to manage symptoms of IBS, FD, GERD, and other gut-brain disorders. It aims to retrain the nervous system and improve communication between the gut and brain through daily sessions and practical tools.

**Highlights:** Personalized gut-brain therapy program, Daily 15-minute retraining sessions, Flare-up management tools, Long-term symptom maintenance plan, AI-driven personalization, Evidence-based clinical research

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Nerva IBS program (Monthly) | $43.99 | per month |
| 30% Off Nerva IBS (3 Month) | $60.99 | per 3 months |
| Nerva IBS program (3 Month) | $78.99 | per 3 months |
| Nerva Full Access | $199.00 | per year |

**What reviewers like**

- 🚀 Effective for symptom reduction
- 👍 Calming and relaxing sessions
- 💡 Helpful for managing stress and anxiety
- 👍 Positive affirmations and education
- 🚀 Quick improvements seen by some users

**What reviewers complain about**

- 🔁 Repetitive nature of sessions
- 💰 Expensive subscription cost
- 🔍 Lack of customization options
- 🐛 Technical issues with app functionality

**Reported bugs**

- App getting stuck on certain days
- Difficulty accessing previous sessions
- Inconsistent user experience across devices

**Requested features**

- More variety in guided visualizations
- Ability to skip or replace certain sessions
- Maintenance plan with reduced pricing
- Offline access to recordings


### CoreTrace

[App page](https://appshunter.io/ios/app/coretrace/id6744668535)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CoreTrace Premium (Solo) | $0.99 | per month |


## Frequently asked questions

### Is Nerva free?

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

### Is CoreTrace free?

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

### Do Nerva or CoreTrace have ads?

Neither Nerva nor CoreTrace shows ads.

### Which is updated more often, Nerva or CoreTrace?

Nerva ships an update weekly, and CoreTrace every 4 days. Most recently, Nerva was updated on September 28, 2026 and CoreTrace on September 18, 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.*