# FocusBrain vs Hidden Camera Spy Bug Detector

The clearest difference is review sentiment: FocusBrain at 82% against Hidden Camera Spy Bug Detector's 0%. FocusBrain also leads on update cadence (every 3 weeks vs every 8 months) and rating (4.8 vs 4.6). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. FocusBrain sells 24 in-app purchases, starting at $2.99 per 7 days and Hidden Camera Spy Bug Detector sells 4 in-app purchases, starting at $8.99 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 — 120 and 165 respectively. Written reviews point the same way: 82% of FocusBrain's written reviews are positive against 0% of Hidden Camera Spy Bug Detector's.

FocusBrain ships an update every 3 weeks, Hidden Camera Spy Bug Detector every 8 months. The most recent releases landed on October 16, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | FocusBrain | Hidden Camera Spy Bug Detector |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (120 ratings)](https://appshunter.io/ios/app/focusbrain-8d-adhd-and-focus/id1569534844/reviews)** | [4.6 (165 ratings)](https://appshunter.io/ios/app/hidden-camera-spy-bug-detector/id6737350119/reviews) |
| Number of ratings | 120 | **165** |
| Positive reviews | **81.9% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 3 weeks** | Every 8 months |
| Monetization | Subscription | Subscription |
| Size | 106 MB | 66 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [BrainPower Inc](https://appshunter.io/developer/1560966870) | [Linwood Beem](https://appshunter.io/developer/1850993157) |

## 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 (24)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $2.99 | per 7 days |
| Weekly Subscription | $3.99 | per 7 days |
| New User Weekly Special Offer | $4.99 | per 7 days |
| Brain Booster Monthly Premium | $7.99 | per month |
| Try 7 days | $7.99 | per month |
| New User Monthly Offer | $7.99 | per month |
| 6-Month Subscription | $14.99 | per 6 months |
| New User 6-Month Subscription | $15.99 | per 6 months |
| Quarterly Premium Membership | $17.99 | per 3 months |
| Half Yearly Premium | $17.99 | per 6 months |
| Quarterly Special Premium | $17.99 | per 3 months |
| New User Quarterly Offer | $19.99 | per 3 months |
| Brain Booster Yearly Premium | $19.99 | per year |
| Yearly Special Offer | $21.99 | per year |
| New User Yearly Special | $25.99 | per year |
| New User Half Yearly Premium | $25.99 | per 6 months |
| Annual Premium | $25.99 | per year |
| Quarterly Premium Subscription | $27.99 | per 3 months |
| 12-week Subscription | $29.99 | per 3 months |
| Yearly Premium | $35.99 | per year |
| Unlock Premium Access | $37.99 | per year |
| Annual Premium | $47.99 | per year |
| 2-Year Premium | $25.99 | one-time |
| One Year Plus 6 Months Premium | $29.99 | 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


### Hidden Camera Spy Bug Detector

[App page](https://appshunter.io/ios/app/hidden-camera-spy-bug-detector/id6737350119)

Transform your phone into a security scanner to detect hidden cameras and unauthorized WIFI devices. Maintain your privacy in hotel rooms, rental properties, and other private spaces with advanced scanning technology. Take control of your personal security with professional detection tools.

**Highlights:** Detect hidden cameras, Analyze WIFI networks, Identify suspicious devices, Perform room scans, Privacy protection tools

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hidden Camera Spy Bug Detector | $8.99 | per 7 days |
| Hacking Scener | $9.99 | per 7 days |
| Hidden Camera Spy Bug Detector | $83.99 | per year |
| Hidden Camera Spy Bug Detector | $99.99 | per year |


## Frequently asked questions

### Is FocusBrain free?

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

### Is Hidden Camera Spy Bug Detector free?

Hidden Camera Spy Bug Detector is free to download, with in-app purchases available.

### Which has better reviews, FocusBrain or Hidden Camera Spy Bug Detector?

FocusBrain is rated higher. FocusBrain averages 4.8 out of 5 from 120 ratings, while Hidden Camera Spy Bug Detector averages 4.6 from 165 ratings.

### Do FocusBrain or Hidden Camera Spy Bug Detector have ads?

Both FocusBrain and Hidden Camera Spy Bug Detector show ads.

### Which is updated more often, FocusBrain or Hidden Camera Spy Bug Detector?

FocusBrain ships an update every 3 weeks, and Hidden Camera Spy Bug Detector every 8 months. Most recently, FocusBrain was updated on October 16, 2026 and Hidden Camera Spy Bug Detector on October 13, 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.*