# Thinkie vs Halo

Thinkie and Halo both sit at 5.0 stars, but that hides the real split: 100% of Thinkie's written reviews are positive against 50% of Halo's. Thinkie also leads on ratings volume (11 vs 2). Halo's advantage is in-app purchases (none vs 2). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Thinkie sells 2 in-app purchases, starting at $8.99 per month. Halo asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Thinkie against 5.0 for Halo. That said, the two scores are not equally well evidenced: Thinkie has 11 ratings behind it against 2, so its average is the more settled of the two. Written reviews are what separate them: 100% of Thinkie's written reviews are positive against 50% of Halo's.

Thinkie ships an update monthly, Halo every 2 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Thinkie | Halo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (11 ratings)](https://appshunter.io/ios/app/thinkie/id6504841400/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/halo-brain-stimulation/id6748301539/reviews) |
| Number of ratings | **11** | 2 |
| Positive reviews | **100.0% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 206 MB | 176 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Thinkie Inc](https://appshunter.io/developer/1754066054) | [Flow Neuroscience AB](https://appshunter.io/developer/1149864190) |

## What reviewers say

### Thinkie

[App page](https://appshunter.io/ios/app/thinkie/id6504841400)

Engage your mind with a variety of games designed to keep your brain active and alert. Track your cognitive progress in real-time with visual feedback and individualized training insights. This system is guided by extensive research and aims to enhance cognitive sharpness.

**Highlights:** Real-time visual results, Brain activity tracking, Variety of brain games, Individualized training, Cognitive sharpness enhancement, Free trial available

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Thinkie Monthly Subscription | $8.99 | per month |
| Thinkie Annual Subscription | $79.99 | per year |


### Halo

[App page](https://appshunter.io/ios/app/halo-brain-stimulation/id6748301539)

This app uses a wearable device to deliver gentle electrical currents to the brain, aiming to improve mood, sleep, and focus. It guides users through sessions, tracks progress, and offers educational content for wellness goals.

**Highlights:** Transcranial direct current stimulation (tDCS), Mood improvement, Better sleep support, Enhanced focus, Usage tracking, Educational content

**In-app purchases:** none


## Frequently asked questions

### Is Thinkie free?

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

### Is Halo free?

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

### Which has better reviews, Thinkie or Halo?

Thinkie and Halo are both rated 5.0 out of 5 on the App Store, from 11 and 2 ratings respectively.

### Do Thinkie or Halo have ads?

Neither Thinkie nor Halo shows ads.

### Which is updated more often, Thinkie or Halo?

Thinkie ships an update monthly, and Halo every 2 months. Most recently, Thinkie was updated on October 24, 2026 and Halo on October 24, 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.*