# Somerville PD vs enophone

The clearest difference is update cadence: enophone at monthly against Somerville PD's every 66 months. Somerville PD's advantage is iOS requirement (13.0 vs 18.2). On price, ads, in-app purchases and device support there is nothing between them.

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

Somerville PD ships an update every 66 months, enophone monthly. The most recent releases landed on October 25, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Somerville PD | enophone |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.1 (38 ratings)](https://appshunter.io/ios/app/enophone/id6467036915/reviews)** |
| Number of ratings | — | **38** |
| Positive reviews | — | 43.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 66 months | **Monthly** |
| Monetization | — | Free |
| Size | 39 MB | 214 MB |
| Requires iOS | **13.0** | 18.2 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [City of Somerville](https://appshunter.io/developer/1464972606) | [moonshot la](https://appshunter.io/developer/1707097516) |

## What reviewers say

### Somerville PD

[App page](https://appshunter.io/ios/app/somerville-pd/id1560219481)

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

**In-app purchases:** none


### enophone

[App page](https://appshunter.io/ios/app/enophone/id6467036915)

Enhance your mental performance and well-being with adaptive soundscapes. This platform uses neuroscience and real-time brain activity to help you achieve desired mental states like focus, energy, calm, or sleep.

**Highlights:** Adaptive soundscapes based on brain activity, Targeted mental states (Focus, Energy, Calm, Sleep), Real-time brainwave monitoring, Personalized insights into brain activity, Immersive audio and visual experiences, Neuroscience-rooted technology

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🎧 Great sound quality
- 💡 Innovative EEG sensors
- 🧘‍♀️ Effective for focus and relaxation
- ✨ Unique product concept
- 🎧 Comfortable to wear

**What reviewers complain about**

- 🐛 App connectivity issues
- 🐛 App crashes frequently
- 🐛 Sessions not saving/syncing
- ❌ Poor customer support
- ❌ No support for issues

**Reported bugs**

- App never connects to EEG sensors
- Headphones not detected by the app
- App stops recording sessions
- Headphones stop working
- App crashes

**Requested features**

- Neurofeedback option for specific brainwaves
- Customizable binaural beats and isochronic tones responsive to brainwaves
- Ability to see session results in real time
- Option to export data
- Time slots for tracking only mode


## Frequently asked questions

### Is Somerville PD free?

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

### Is enophone free?

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

### Do Somerville PD or enophone have ads?

Neither Somerville PD nor enophone shows ads.

### Which is updated more often, Somerville PD or enophone?

Somerville PD ships an update every 66 months, and enophone monthly. Most recently, Somerville PD was updated on October 25, 2026 and enophone 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.*