# TrueSecure Key vs scheme app

The clearest difference is update cadence: scheme app at fortnightly against TrueSecure Key's every 3 months. 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.

TrueSecure Key ships an update every 3 months, scheme app fortnightly. The most recent releases landed on October 15, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | TrueSecure Key | scheme app |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (6 ratings)](https://appshunter.io/ios/app/truesecure-key/id1485011923/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 9 MB | 41 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Plasco LLC](https://appshunter.io/developer/1485011922) | [Scheme Productions LLC](https://appshunter.io/developer/1860052511) |

## What reviewers say

### TrueSecure Key

[App page](https://appshunter.io/ios/app/truesecure-key/id1485011923)

Use your smartphone as a digital key to unlock doors equipped with compatible hardware.  This app allows for convenient access without needing physical key cards or fobs, utilizing Bluetooth for secure transmission.

**Highlights:** Unlock doors with your phone, No physical key cards needed, Bluetooth key transmission, Background operation, Supports multiple keys

**Features:** macOS Compatibility

**In-app purchases:** none


### scheme app

[App page](https://appshunter.io/ios/app/scheme-app/id6756322635)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TrueSecure Key free?

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

### Is scheme app free?

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

### Do TrueSecure Key or scheme app have ads?

Neither TrueSecure Key nor scheme app shows ads.

### Which is updated more often, TrueSecure Key or scheme app?

TrueSecure Key ships an update every 3 months, and scheme app fortnightly. Most recently, TrueSecure Key was updated on October 15, 2026 and scheme app on October 11, 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.*