# Flowtime tDCS vs Sleepi.ai

The clearest difference is device support: Flowtime tDCS at 3 against Sleepi.ai's 1. Flowtime tDCS also leads on iOS requirement (12.0 vs 16.4). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Flowtime tDCS | Sleepi.ai |
| --- | --- | --- |
| Price | Free | Free |
| 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 |
| Update frequency | — | Every 9 days |
| Monetization | Free | — |
| Size | 40 MB | 14 MB |
| Requires iOS | **12.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 12+ |
| Developer | [杭州回车电子科技有限公司](https://appshunter.io/developer/1078874267) | [Shenzhen Infinite State Technology Co., Ltd](https://appshunter.io/developer/1809522415) |

## 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


### Sleepi.ai

[App page](https://appshunter.io/ios/app/sleepiai/id6738334367)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Flowtime tDCS free?

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

### Is Sleepi.ai free?

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

### Do Flowtime tDCS or Sleepi.ai have ads?

Neither Flowtime tDCS nor Sleepi.ai 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.*