# Scher vs TECprog3

The clearest difference is review sentiment: TECprog3 at 75% against Scher's 38%. TECprog3 also leads on update cadence (every 2 months vs every 6 months). Scher's advantage is iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Scher ships an update every 6 months, TECprog3 every 2 months. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Scher | TECprog3 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/scher-khan-configurator/id1598118885/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 37.5% of reviews | **75.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 16 MB | 1 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Mega-F Service](https://appshunter.io/developer/627862415) | ['TEC electronics' Ltd](https://appshunter.io/developer/922415468) |

## 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


### TECprog3

[App page](https://appshunter.io/ios/app/tecprog3/id6504360767)

This utility app allows specialists to manage anti-theft systems. It enables software updates, configuration changes, real-time parameter monitoring, and customization of user functions and notifications. It also supports key calculation for keyless auto-start in certain vehicles.

**Highlights:** Update device software, Change device settings, Monitor device and car parameters, Customize user functions, Configure notification events, Calculate encryption keys for auto-start

**In-app purchases:** none


## Frequently asked questions

### Is Scher free?

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

### Is TECprog3 free?

TECprog3 is free to download, with no in-app purchases.

### Do Scher or TECprog3 have ads?

Neither Scher nor TECprog3 shows ads.

### Which is updated more often, Scher or TECprog3?

Scher ships an update every 6 months, and TECprog3 every 2 months. Most recently, Scher was updated on November 3, 2026 and TECprog3 on November 4, 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.*