# Flowtime tDCS vs Brain Zleeper

The clearest difference is price: Flowtime tDCS at Free against Brain Zleeper's $49.99. Flowtime tDCS also leads on iOS requirement (12.0 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

Flowtime tDCS is free to download; Brain Zleeper costs $49.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Flowtime tDCS | Brain Zleeper |
| --- | --- | --- |
| Price | **Free** | $49.99 |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/flowtime-tdcs/id1594113020/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Monetization | Free | — |
| Size | 40 MB | 1 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [杭州回车电子科技有限公司](https://appshunter.io/developer/1078874267) | [T. Frank Lawlis](https://appshunter.io/developer/517473701) |

## What reviewers say

### Flowtime tDCS

[App page](https://appshunter.io/ios/app/flowtime-tdcs/id1594113020)

Enhance focus, memory, and mood with a scientifically supported tDCS device. This easy-to-use headset offers customizable stimulation strength and a comfortable, adaptable design for on-the-go use. It's designed for safety with automatic shut-off and controlled current changes.

**Highlights:** Customizable stimulation strength up to 2mA, Wireless and portable design, Adaptable and stable fit, Safe current change speed, Automatic shut-off feature

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

**In-app purchases:** none


### Brain Zleeper

[App page](https://appshunter.io/ios/app/brain-zleeper/id6477369347)

**In-app purchases:** none


## Frequently asked questions

### Is Flowtime tDCS free?

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

### Is Brain Zleeper free?

Brain Zleeper costs $49.99, with no in-app purchases.

### Do Flowtime tDCS or Brain Zleeper have ads?

Neither Flowtime tDCS nor Brain Zleeper shows ads.

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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.*