# Master Key vs Transport Plus Driver

The clearest difference is update cadence: Transport Plus Driver at every 2 months against Master Key's every 34 months. Master Key's advantage is iOS requirement (12.0 vs 15.6). 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.

Master Key ships an update every 34 months, Transport Plus Driver every 2 months. The most recent releases landed on October 20, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Master Key | Transport Plus Driver |
| --- | --- | --- |
| 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 | **Every 2 months** |
| Monetization | Free | — |
| Size | 42 MB | 43 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [EQ Club UK Ltd](https://appshunter.io/developer/1227460307) | [Jett Labs Limited](https://appshunter.io/developer/1635751995) |

## 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


### Transport Plus Driver

[App page](https://appshunter.io/ios/app/transport-plus-driver/id6742455882)

**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 Transport Plus Driver free?

Transport Plus Driver is free to download, with no in-app purchases.

### Do Master Key or Transport Plus Driver have ads?

Neither Master Key nor Transport Plus Driver shows ads.

### Which is updated more often, Master Key or Transport Plus Driver?

Master Key ships an update every 34 months, and Transport Plus Driver every 2 months. Most recently, Master Key was updated on October 20, 2026 and Transport Plus Driver on October 23, 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.*