# CallSwitch One vs Eye Clean MARS

The clearest difference is device support: CallSwitch One at 3 against Eye Clean MARS's —. Eye Clean MARS's advantage is iOS requirement (11.0 vs 15.0). On price 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 | CallSwitch One | Eye Clean MARS |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 8 days | — |
| Monetization | Free | — |
| Size | 57 MB | 13 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [NEBULA CLOUD LIMITED](https://appshunter.io/developer/1157972118) | [Eye Clean Technology Limited](https://appshunter.io/developer/1736100296) |

## What reviewers say

### CallSwitch One

[App page](https://appshunter.io/ios/app/callswitch-one/id1660964003)

This app allows users to manage all their business communications on any device. It offers features like making and receiving calls from a landline number, voice and video conferencing, and team chat with file sharing.

**Highlights:** Business calls from landline number, Voice and video conferencing, Team chat with file sharing, Group and individual conversations, Business directory access, Conversation threads

**Features:** macOS Compatibility, Siri integration

**In-app purchases:** none


### Eye Clean MARS

[App page](https://appshunter.io/ios/app/eye-clean-mars/id6480461530)

**In-app purchases:** none


## Frequently asked questions

### Is CallSwitch One free?

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

### Is Eye Clean MARS free?

Eye Clean MARS is free to download, with no in-app purchases.

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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.*