# NeuroNode Controller vs Cervella

The clearest difference is update cadence: Cervella at every 3 weeks against NeuroNode Controller's every 3 months. Cervella also leads on iOS requirement (11.0 vs 14.0). 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 NeuroNode Controller against 5.0 for Cervella. Both are backed by a comparable volume of ratings — 2 and 2 respectively.

NeuroNode Controller ships an update every 3 months, Cervella every 3 weeks. The most recent releases landed on October 5, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | NeuroNode Controller | Cervella |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/neuronode-controller/id1238743165/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/cervella/id1551137163/reviews) |
| Number of ratings | 2 | 2 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 12 MB | 11 MB |
| Requires iOS | 14.0 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Control Bionics Inc](https://appshunter.io/developer/1238743164) | [INNOVATIVE NEUROLOGICAL DEVICES LLC](https://appshunter.io/developer/1434993602) |

## What reviewers say

### NeuroNode Controller

[App page](https://appshunter.io/ios/app/neuronode-controller/id1238743165)

This application pairs with a specialized device to enable individuals with paralysis and speech loss to control iOS devices using muscle electrical signals. It allows for parameter adjustment and signal monitoring for efficient communication and device interaction.

**Highlights:** EMG signal monitoring, Parameter adjustment, Assistive communication, iOS device control, Muscle signal utilization

**Features:** macOS Compatibility

**In-app purchases:** none


### Cervella

[App page](https://appshunter.io/ios/app/cervella/id1551137163)

This medical device app delivers low-level electrical current to the brain via headphones to help manage anxiety, insomnia, and depression. Users can control treatment intensity, frequency, and duration, and store treatment history for healthcare provider review.

**Highlights:** Cranial electrotherapy stimulation, Adjustable intensity, frequency, and duration, Treatment history storage, FDA-cleared medical device, Rechargeable battery powered

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is NeuroNode Controller free?

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

### Is Cervella free?

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

### Which has better reviews, NeuroNode Controller or Cervella?

NeuroNode Controller and Cervella are both rated 5.0 out of 5 on the App Store, from 2 and 2 ratings respectively.

### Do NeuroNode Controller or Cervella have ads?

Neither NeuroNode Controller nor Cervella shows ads.

### Which is updated more often, NeuroNode Controller or Cervella?

NeuroNode Controller ships an update every 3 months, and Cervella every 3 weeks. Most recently, NeuroNode Controller was updated on October 5, 2026 and Cervella on October 7, 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.*