# Halo vs Drift

The clearest difference is in-app purchases: Halo at none against Drift's 2. Halo also leads on iOS requirement (15.0 vs 18.0). Drift's advantage is update cadence (monthly vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. Drift sells 2 in-app purchases, starting at $4.99 per month. Halo asks for nothing beyond the download.

Halo ships an update every 2 months, Drift monthly. The most recent releases landed on June 12, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Halo | Drift |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/halo-brain-stimulation/id6748301539/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free | — |
| Size | 176 MB | 5 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 12+ |
| Developer | [Flow Neuroscience AB](https://appshunter.io/developer/1149864190) | [Mitaanshu Agarwal](https://appshunter.io/developer/1896724075) |

## What reviewers say

### 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


### Drift

[App page](https://appshunter.io/ios/app/drift-cbt-i-sleep-program/id6772050317)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Drift Pro Monthly | $4.99 | per month |
| Drift Pro Yearly | $29.99 | per year |


## Frequently asked questions

### Is Halo free?

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

### Is Drift free?

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

### Do Halo or Drift have ads?

Neither Halo nor Drift shows ads.

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

Halo ships an update every 2 months, and Drift monthly. Most recently, Halo was updated on June 12, 2026 and Drift on September 18, 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.*