# Happy Gut vs Nerva

The clearest difference is review sentiment: Nerva at 72% against Happy Gut's 20%. Nerva also leads on rating (4.7 vs 2.4) and update cadence (every 8 days vs every 49 months). Happy Gut's advantage is in-app purchases (none vs 4) and iOS requirement (10.0 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. Nerva sells 4 in-app purchases, starting at $99.00 per month. Happy Gut asks for nothing beyond the download.

Nerva holds the better App Store score, 4.7 against 2.4. That said, the two scores are not equally well evidenced: Nerva has 15K ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 20% of Happy Gut's written reviews are positive against 72% of Nerva's.

Happy Gut ships an update every 49 months, Nerva every 8 days. Both last shipped on October 21, 2026.

## The numbers

| Metric | Happy Gut | Nerva |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.4 (7 ratings)](https://appshunter.io/ios/app/happy-gut/id1212926199/reviews) | **[4.7 (15K ratings)](https://appshunter.io/ios/app/nerva-gut-brain-program/id1467398796/reviews)** |
| Number of ratings | 7 | **15K** |
| Positive reviews | 20.0% of reviews | **72.4% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 49 months | **Every 8 days** |
| Monetization | **Free** | Free with in-app purchases |
| Best chart rank | — | **#169** |
| Size | 56 MB | 138 MB |
| Requires iOS | **10.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 12+ |
| Developer | [Imbodi, Inc](https://appshunter.io/developer/1047312336) | [Mindset Health Pty Ltd](https://appshunter.io/developer/1255073245) |

## What reviewers say

### Happy Gut

[App page](https://appshunter.io/ios/app/happy-gut/id1212926199)

This app offers a comprehensive 28-day program to heal gut-related health issues, aiming to improve energy, reduce pain, and support weight loss. It provides tools for tracking progress, personalized goals, and daily meal plans.

**Highlights:** Gut healing program, Track weight, nutrition, sleep, symptoms, exercise, Sync with fitness trackers, Daily meal plans and recipes, Supplement recommendations, Educational videos

**Features:** macOS Compatibility

**In-app purchases:** none


### Nerva

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

**Currently charting:** #169 Top Grossing · Health & Fitness (US App Store)

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) | $99.00 | per month |
| Nerva IBS program (3 Month) | $149.00 | per 3 months |
| 30% Off Nerva IBS (3 Month) | $149.00 | 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


## Frequently asked questions

### Is Happy Gut free?

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

### Is Nerva free?

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

### Which has better reviews, Happy Gut or Nerva?

Nerva is rated higher. Happy Gut averages 2.4 out of 5 from 7 ratings, while Nerva averages 4.7 from 15K ratings.

### Do Happy Gut or Nerva have ads?

Neither Happy Gut nor Nerva shows ads.

### Which is updated more often, Happy Gut or Nerva?

Happy Gut ships an update every 49 months, and Nerva every 8 days. Most recently, Happy Gut was updated on October 21, 2026 and Nerva on October 21, 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.*