# Keep Charged vs Cervello ESM

The clearest difference is update cadence: Keep Charged at every 2 months against Cervello ESM's every 4 months. Keep Charged also leads on iOS requirement (11.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

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

Keep Charged ships an update every 2 months, Cervello ESM every 4 months. The most recent releases landed on October 26, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Keep Charged | Cervello ESM |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Free | — |
| Size | 17 MB | 104 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | +4 | 4+ |
| Developer | [Operative Tecnologia](https://appshunter.io/developer/1463195252) | [Cervello Informática LTDA](https://appshunter.io/developer/976302819) |

## What reviewers say

### Keep Charged

[App page](https://appshunter.io/ios/app/keep-charged/id1466294136)

Find nearby establishments offering charging stations for your devices. Filter by amenities like Wi-Fi and restrooms. Receive notifications when your battery is low.

**Highlights:** Find charging points on a map, Filter by Wi-Fi and restrooms, Low battery notifications, Discover partner promotions, Information on partner events, Contact support

**Features:** macOS Compatibility

**In-app purchases:** none


### Cervello ESM

[App page](https://appshunter.io/ios/app/cervello-esm/id1527272348)

**In-app purchases:** none


## Frequently asked questions

### Is Keep Charged free?

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

### Is Cervello ESM free?

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

### Do Keep Charged or Cervello ESM have ads?

Neither Keep Charged nor Cervello ESM shows ads.

### Which is updated more often, Keep Charged or Cervello ESM?

Keep Charged ships an update every 2 months, and Cervello ESM every 4 months. Most recently, Keep Charged was updated on October 26, 2026 and Cervello ESM on October 4, 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.*