# Scher vs POST KEY

The clearest difference is rating: POST KEY at 5.0 against Scher's 1.0. POST KEY also leads on iOS requirement (12.0 vs 15.0). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

POST KEY holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Scher ships an update every 6 months, POST KEY every 3 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | Scher | POST KEY |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/scher-khan-configurator/id1598118885/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/post-key/id1614805094/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | 37.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 16 MB | 160 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mega-F Service](https://appshunter.io/developer/627862415) | [POST LTD, OOO](https://appshunter.io/developer/1614805096) |

## What reviewers say

### Scher

[App page](https://appshunter.io/ios/app/scher-khan-configurator/id1598118885)

This utility app configures Scher-Khan car security systems with Bluetooth connectivity. It allows for software updates, CAN firmware loading, parameter adjustments, and system training without needing a computer.

**Highlights:** Bluetooth configuration for Scher-Khan systems, Software updates, CAN firmware loading, Parameter adjustment, System training, No computer required

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

**In-app purchases:** none


### POST KEY

[App page](https://appshunter.io/ios/app/post-key/id1614805094)

Control access to your property, view security cameras, and manage smart home devices remotely. This application provides real-time monitoring and control over intercoms, gates, and home automation systems.

**Highlights:** Intercom call reception, Gate and barrier control, Real-time camera viewing, Video archive access, Smart home device management

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

**In-app purchases:** none


## Frequently asked questions

### Is Scher free?

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

### Is POST KEY free?

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

### Which has better reviews, Scher or POST KEY?

POST KEY is rated higher. Scher averages 1.0 out of 5 from 1 ratings, while POST KEY averages 5.0 from 1 ratings.

### Do Scher or POST KEY have ads?

Neither Scher nor POST KEY shows ads.

### Which is updated more often, Scher or POST KEY?

Scher ships an update every 6 months, and POST KEY every 3 months. Most recently, Scher was updated on November 3, 2026 and POST KEY on November 3, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*