# Drowsa vs HerBattery

The clearest difference is in-app purchases: HerBattery at none against Drowsa's 2. HerBattery also leads on iOS requirement (14.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

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

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 18, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Drowsa | HerBattery |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Size | 3 MB | 23 MB |
| Requires iOS | 17.0 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Jiandou Technology Co., Ltd.](https://appshunter.io/developer/985566466) | [R-Evolution S.R.L.](https://appshunter.io/developer/6774865538) |

## What reviewers say

### Drowsa

[App page](https://appshunter.io/ios/app/drowsa-night-shift-sleep/id6773168860)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Drowsa Pro Monthly | $4.99 | per month |
| Drowsa Pro Annual | $29.99 | per year |


### HerBattery

[App page](https://appshunter.io/ios/app/herbattery/id6774865536)

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

**In-app purchases:** none


## Frequently asked questions

### Is Drowsa free?

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

### Is HerBattery free?

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

### Do Drowsa or HerBattery have ads?

Neither Drowsa nor HerBattery shows ads.

### Which is updated more often, Drowsa or HerBattery?

Drowsa ships an update every 3 weeks, and HerBattery every 3 weeks. Most recently, Drowsa was updated on September 18, 2026 and HerBattery on September 9, 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.*