# ViVi Robot vs ESP

The clearest difference is in-app purchases: ViVi Robot at none against ESP's 1. ViVi Robot also leads on device support (3 vs 1) and iOS requirement (10.0 vs 16.0). On price and ads there is nothing between them.

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

## The numbers

| Metric | ViVi Robot | ESP |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | — |
| Size | 31 MB | 1 MB |
| Requires iOS | **10.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [繁贰 曾](https://appshunter.io/developer/520488472) | [Wuhan FireFrog Technology Co., Ltd.](https://appshunter.io/developer/917083159) |

## What reviewers say

### ViVi Robot

[App page](https://appshunter.io/ios/app/vivi-robot/id1255421040)

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

**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 ViVi Robot free?

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

### Is ESP free?

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

### Do ViVi Robot or ESP have ads?

Neither ViVi Robot 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.*