# Plume Labs vs Gupta Program Brain Retraining

The clearest difference is in-app purchases: Plume Labs at none against Gupta Program Brain Retraining's 22. Plume Labs also leads on ratings volume (9.7K vs 212) and iOS requirement (13.0 vs 17.0). Gupta Program Brain Retraining's advantage is review sentiment (79% vs 52%) and update cadence (weekly vs every 4 weeks). On price, rating, ads and device support there is nothing between them.

Both are free to download. Gupta Program Brain Retraining sells 8 in-app purchases, starting at $279.99 per year. Plume Labs asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.7 for Plume Labs against 4.8 for Gupta Program Brain Retraining. That said, the two scores are not equally well evidenced: Plume Labs has 9.7K ratings behind it against 212, so its average is the more settled of the two. Written reviews are what separate them: 52% of Plume Labs's written reviews are positive against 79% of Gupta Program Brain Retraining's.

Plume Labs ships an update every 4 weeks, Gupta Program Brain Retraining weekly. The most recent releases landed on October 29, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Plume Labs | Gupta Program Brain Retraining |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (9.7K ratings)](https://appshunter.io/ios/app/plume-labs-air-quality-app/id950289243/reviews) | **[4.8 (212 ratings)](https://appshunter.io/ios/app/gupta-program-brain-retraining/id6449983590/reviews)** |
| Number of ratings | **9.7K** | 212 |
| Positive reviews | 51.9% of reviews | **78.9% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 150 MB | 138 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [Plume Labs](https://appshunter.io/developer/950289242) | [Harley Street Solutions LTD](https://appshunter.io/developer/1003928309) |

## What reviewers say

### Plume Labs

[App page](https://appshunter.io/ios/app/plume-labs-air-quality-app/id950289243)

Access real-time, street-by-street air pollution maps and 72-hour forecasts globally. Get hyper-local data for key pollutants and personalized tips to help you breathe cleaner air and reduce exposure.

**Highlights:** Real-time street-by-street pollution maps, 72-hour air quality forecasts, Live, historical, and forecast data for NO2, PM2.5, PM10, O3, Hyper-local street-level pollution information, Clean-air coaching and smart notifications, Morning and Evening Reports

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

**In-app purchases:** none

**What reviewers like**

- 🌟 Accurate and reliable air quality data
- 🔍 Comprehensive air quality monitoring
- 📊 Helpful for planning outdoor activities
- 🗺️ Global coverage with location-specific data
- 💻 Intuitive and user-friendly interface

**What reviewers complain about**

- 🔄 Inconsistent or inaccurate data reporting
- 🕰️ Slow app loading and data refreshing
- 🔋 High battery consumption
- 🌍 Limited coverage in certain regions
- 🔒 Privacy concerns with data collection

**Reported bugs**

- Crashes and freezes on certain devices
- Notifications not working as expected
- Mapping and location data issues
- Inconsistent data across different platforms

**Requested features**

- Customizable location tracking and alerts
- Hourly/real-time air quality updates
- Integration with smart home devices
- Air quality forecasting and historical data
- Apple Watch and widget support


### Gupta Program Brain Retraining

[App page](https://appshunter.io/ios/app/gupta-program-brain-retraining/id6449983590)

This program offers a neuroplasticity approach to help individuals manage and recover from a wide range of chronic illnesses. It provides access to educational videos, audio exercises, and community support to facilitate healing and improve quality of life.

**Highlights:** Neuroplasticity brain retraining, Interactive video sessions, Audio exercises, Weekly webinars, Supportive community network, Free trial access

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Annual Plan | $279.99 | per year |
| Annual Plan | $349.99 | per year |
| Annual Plan | $399.99 | per year |
| Annual Plan | $499.99 | per year |
| One Time Purchase Plan | $69.99 | one-time |
| One Time Purchase Plan | $99.99 | one-time |
| One Time Purchase Plan | $149.99 | one-time |
| One Time Purchase Plan | $199.99 | one-time |

**What reviewers like**

- 🌟 Life-changing program for chronic illness
- 🧠 Effective neuroplasticity/brain retraining
- 💡 Comprehensive and holistic approach
- 🧘‍♀️ Helpful meditations and exercises
- 🤝 Supportive community and coaches

**What reviewers complain about**

- 🐛 App update issues
- 💰 High yearly subscription cost
- 🤔 Reviews feel fake/paid for
- ❓ Deceptive pricing tactics
- 😵‍💫 Confusing and convoluted UX

**Reported bugs**

- Cannot access program on new iPhone app
- Error message with swirling circle on update
- Login issues (password errors, magic link not received)
- Paid for old app, no access to new one
- Support not responding

**Requested features**

- Full German translation for app content
- German chat support
- Improved app UX/design
- Access content without the app
- More accessible pricing


## Frequently asked questions

### Is Plume Labs free?

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

### Is Gupta Program Brain Retraining free?

Gupta Program Brain Retraining is free to download, with in-app purchases available.

### Which has better reviews, Plume Labs or Gupta Program Brain Retraining?

Gupta Program Brain Retraining is rated higher. Plume Labs averages 4.7 out of 5 from 9.7K ratings, while Gupta Program Brain Retraining averages 4.8 from 212 ratings.

### Do Plume Labs or Gupta Program Brain Retraining have ads?

Neither Plume Labs nor Gupta Program Brain Retraining shows ads.

### Which is updated more often, Plume Labs or Gupta Program Brain Retraining?

Plume Labs ships an update every 4 weeks, and Gupta Program Brain Retraining weekly. Most recently, Plume Labs was updated on October 29, 2026 and Gupta Program Brain Retraining on October 27, 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.*