# Master Key vs Protein Road

The clearest difference is iOS requirement: Master Key at 12.0 against Protein Road's 16. 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.

## The numbers

| Metric | Master Key | Protein Road |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/master-key/id1227460308/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 34 months | — |
| Monetization | Free | — |
| Size | 42 MB | 5 MB |
| Requires iOS | **12.0** | 16 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [EQ Club UK Ltd](https://appshunter.io/developer/1227460307) | [Ostap Tereshchenko](https://appshunter.io/developer/1865192150) |

## What reviewers say

### Master Key

[App page](https://appshunter.io/ios/app/master-key/id1227460308)

This app provides secure two-factor authentication using a time-based one-time password algorithm. It helps you maintain access to your online services, like email and social media, directly from your device.

**Highlights:** Two-factor authentication, Time-based one-time password algorithm, Secure access to online services, Simple and safe to use, Mobile access to accounts

**Features:** macOS Compatibility

**In-app purchases:** none


### Protein Road

[App page](https://appshunter.io/ios/app/protein-road/id6757193959)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Master Key free?

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

### Is Protein Road free?

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

### Do Master Key or Protein Road have ads?

Neither Master Key nor Protein Road 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.*