# Cereb IoT vs ESP

The clearest difference is in-app purchases: Cereb IoT at none against ESP's 1. Cereb IoT also leads on iOS requirement (11.0 vs 16.0). On price, ads and device support there is nothing between them.

Both are free to download. ESP sells 1 one-off in-app purchase. Cereb IoT asks for nothing beyond the download.

## The numbers

| Metric | Cereb IoT | ESP |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 12 months | — |
| Size | 42 MB | 1 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Cereb Intelligence Limited](https://appshunter.io/developer/1442054685) | [Wuhan FireFrog Technology Co., Ltd.](https://appshunter.io/developer/917083159) |

## What reviewers say

### Cereb IoT

[App page](https://appshunter.io/ios/app/cereb-iot/id6446927491)

**Features:** macOS Compatibility

**In-app purchases:** none


### ESP

[App page](https://appshunter.io/ios/app/esp-airlink/id6756355176)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| a cup of coffee | $0.99 | one-time |


## Frequently asked questions

### Is Cereb IoT free?

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

### Is ESP free?

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

### Do Cereb IoT or ESP have ads?

Neither Cereb IoT nor ESP 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.*