# Matter Neuroscience vs Dopamine Protocol

The clearest difference is in-app purchases: Dopamine Protocol at none against Matter Neuroscience's 6. Dopamine Protocol also leads on iOS requirement (16.0 vs 18.0). Matter Neuroscience's advantage is update cadence (weekly vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. Matter Neuroscience sells 6 in-app purchases, starting at $0.99 per month. Dopamine Protocol asks for nothing beyond the download.

Matter Neuroscience ships an update weekly, Dopamine Protocol every 4 months. The most recent releases landed on October 20, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Matter Neuroscience | Dopamine Protocol |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (235 ratings)](https://appshunter.io/ios/app/matter-neuroscience/id1614883442/reviews)** | — |
| Number of ratings | **235** | — |
| Positive reviews | 82.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 4 months |
| Monetization | Subscription | — |
| Size | 127 MB | 1 MB |
| Requires iOS | 18.0 | **16.0** |
| Devices | iPhone | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Matter Neuroscience Inc.](https://appshunter.io/developer/1525273604) | [Caleb Hartley](https://appshunter.io/developer/1087195107) |

## What reviewers say

### Matter Neuroscience

[App page](https://appshunter.io/ios/app/matter-neuroscience/id1614883442)

This app uses neuroscience to help you build emotional fitness through guided reflection and a supportive community. Capture meaningful moments, understand what brings you joy, and strengthen your brain's capacity for happiness and resilience.

**Highlights:** Guided reflection on meaningful moments, Neuroscience-based emotional health training, Supportive community of teammates, Tools to capture and recall positive experiences, Habit building for emotional balance, Insights to strengthen brain capacity

**Features:** Family Sharing, iMessage stickers

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Subscriptions | $0.99 | per month |
| Premium Monthly | $7.99 | per month |
| Premium Annual | $9.99 | per year |
| Premium Monthly | $14.99 | per month |
| Premium Annual | $49.99 | per year |
| Premium Annual | $119.99 | per year |

**What reviewers like**

- 💡 Science-backed approach
- 🚀 Sophisticated platform
- 👍 User-friendly interface
- 💡 Encourages positive reflection
- 💡 Improves emotional state

**What reviewers complain about**

- 🤖 Stiff AI tone
- 💸 Expensive subscription
- 🐛 Crashing when uploading pictures
- 🐛 App freezes when adding/restarting
- 🐛 Buttons unclickable

**Reported bugs**

- Crashes when uploading a picture
- App freezes when adding a memory
- App freezes when clicking a draft
- Buttons are unclickable
- Data is completely erased

**Requested features**

- Add videos instead of just pictures
- Option to remove or shade out 'sexual desire' emotion
- More explanation of 'joyalities'
- Ability to turn off specific hormones like testosterone
- Stats option for hormone line graph over time


### Dopamine Protocol

[App page](https://appshunter.io/ios/app/dopamine-protocol/id6477759682)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Matter Neuroscience free?

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

### Is Dopamine Protocol free?

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

### Do Matter Neuroscience or Dopamine Protocol have ads?

Neither Matter Neuroscience nor Dopamine Protocol shows ads.

### Which is updated more often, Matter Neuroscience or Dopamine Protocol?

Matter Neuroscience ships an update weekly, and Dopamine Protocol every 4 months. Most recently, Matter Neuroscience was updated on October 20, 2026 and Dopamine Protocol on October 14, 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.*