# FocusBrain vs Scarlet AI

The clearest difference is ads: Scarlet AI at none against FocusBrain's shown. Scarlet AI also leads on update cadence (weekly vs every 3 weeks). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. FocusBrain sells 10 in-app purchases, starting at $2.99 per 7 days and Scarlet AI sells 7 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

FocusBrain holds the better App Store score, 4.8 against 4.6. Both are backed by a comparable volume of ratings — 124 and 252 respectively. Written reviews point the same way: 82% of FocusBrain's written reviews are positive against 81% of Scarlet AI's.

FocusBrain ships an update every 3 weeks, Scarlet AI weekly. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | FocusBrain | Scarlet AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (124 ratings)](https://appshunter.io/ios/app/focusbrain-8d-adhd-and-focus/id1569534844/reviews)** | [4.6 (252 ratings)](https://appshunter.io/ios/app/scarlet-ai-chatbot-assistant/id6499012781/reviews) |
| Number of ratings | 124 | **252** |
| Positive reviews | **81.9% of reviews** | 80.8% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Subscription | Subscription |
| Size | 106 MB | 83 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [BrainPower Inc](https://appshunter.io/developer/1560966870) | [Nova Labs Group LLC](https://appshunter.io/developer/1767679696) |

## What reviewers say

### FocusBrain

[App page](https://appshunter.io/ios/app/focusbrain-8d-adhd-and-focus/id1569534844)

This science-based app uses brainwave therapy and 8D sound to enhance focus, boost productivity, improve memory, and reduce stress. It offers sessions for ADHD support and helps users achieve a flow state for peak cognitive performance without medication.

**Highlights:** Improve focus and cognition, Boost productivity and flow state, Enhance memory and problem-solving, Reduce stress and mental fatigue, Support ADHD management, Science-backed brainwave therapy, 8D immersive sound sessions

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $2.99 | per 7 days |
| Weekly Subscription | $3.99 | per 7 days |
| Brain Booster Monthly Premium | $7.99 | per month |
| New User Monthly Offer | $7.99 | per month |
| Half Yearly Premium | $17.99 | per 6 months |
| Brain Booster Yearly Premium | $19.99 | per year |
| New User Yearly Special | $25.99 | per year |
| Annual Premium | $25.99 | per year |
| Yearly Premium | $35.99 | per year |
| 2-Year Premium | $25.99 | one-time |

**What reviewers like**

- 👍 Great for focus
- 😴 Improves sleep quality
- 😌 Calms anxiety
- 🚀 Boosts productivity
- 🧠 Enhances brain function

**What reviewers complain about**

- 💸 Expensive subscriptions
- 🔄 Frequent app format changes
- ❓ Unclear pricing/trial terms
- 📱 App not downloading
- ⚠️ Automatic premium charges

**Reported bugs**

- App not working after subscription
- Blank gray screen on access
- App won't download to new phone
- Shuts off unless screen is visible
- Feedback button not working

**Requested features**

- Add solfeggio frequencies for meditation
- Expand music/tone catalog
- Improve MacOS compatibility


### Scarlet AI

[App page](https://appshunter.io/ios/app/scarlet-ai-chatbot-assistant/id6499012781)

This app offers a versatile AI assistant for various tasks, including generating creative images, engaging in natural conversations, and providing instant answers. It can also help solve problems from photos and assist with organization.

**Highlights:** Generative AI image creation, Natural language chatbot conversations, Problem-solving with photo analysis, Accurate answer generation, Creative story generation, Personalized AI assistant

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Week Subscription | $4.99 | per 7 days |
| Week Subscription | $6.99 | per 7 days |
| Week Subscription | $9.99 | per 7 days |
| Week Subscription | $9.99 | per 7 days |
| Year Subscription | $39.99 | per year |
| Year Subscription | $49.99 | per year |
| Lifetime Access | $39.99 | one-time |

**What reviewers like**

- 👍 Great AI capabilities
- 👍 High accuracy and skill
- 👍 Timely responses
- 👍 Adaptable to tasks and styles
- 👍 Enhances efficiency

**What reviewers complain about**

- 🐛 Slow image upload
- 🐛 App refuses to generate images
- 🐛 Error messages (edit prompt)
- 🐛 Free trial scam (immediate charge)
- 🐛 Cannot cancel subscription

**Reported bugs**

- Image upload too slow
- App refuses to generate images
- Error: edit your prompt and try again
- Immediately charged for free trial
- Cannot cancel subscription

**Requested features**

- Dark version
- Separate widget
- Dictaphone function to translate audio to text
- Add custom styles for picture generation
- Ability to create assistants


## Frequently asked questions

### Is FocusBrain free?

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

### Is Scarlet AI free?

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

### Which has better reviews, FocusBrain or Scarlet AI?

FocusBrain is rated higher. FocusBrain averages 4.8 out of 5 from 124 ratings, while Scarlet AI averages 4.6 from 252 ratings.

### Do FocusBrain or Scarlet AI have ads?

FocusBrain shows ads; Scarlet AI does not.

### Which is updated more often, FocusBrain or Scarlet AI?

FocusBrain ships an update every 3 weeks, and Scarlet AI weekly. Most recently, FocusBrain was updated on November 3, 2026 and Scarlet AI on November 4, 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.*