# ST100 Configuration Tool vs SDK85

The clearest difference is rating: ST100 Configuration Tool at 5.0 against SDK85's 4.0. ST100 Configuration Tool also leads on iOS requirement (12.0 vs 17.0). SDK85's advantage is update cadence (every 2 weeks vs every 18 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

ST100 Configuration Tool holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

ST100 Configuration Tool ships an update every 18 months, SDK85 every 2 weeks. The most recent releases landed on September 30, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | ST100 Configuration Tool | SDK85 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/st100-configuration-tool/id1498563596/reviews)** | [4.0 (1 ratings)](https://appshunter.io/ios/app/sdk85/id6443719532/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 18 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 19 MB | 12 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Globalstar Inc](https://appshunter.io/developer/881495413) | [Juergen Schuck](https://appshunter.io/developer/1616701349) |

## What reviewers say

### ST100 Configuration Tool

[App page](https://appshunter.io/ios/app/st100-configuration-tool/id1498563596)

Configure and update your ST100 Satellite Transmitter with this dedicated application. Ensure your device is running the latest firmware and settings for optimal performance.

**Highlights:** Update ST100 firmware, Configure ST100 settings, Manage Satellite Transmitter

**Features:** macOS Compatibility

**In-app purchases:** none


### SDK85

[App page](https://appshunter.io/ios/app/sdk85/id6443719532)

This app emulates the Intel SDK-85 System Design Kit, allowing users to program and execute 8085 machine code. It features a hexpad, seven-segment display, and a monitor program, with an optional TTY mode for more comfortable input.

**Highlights:** 8085 microprocessor emulation, Hexpad and seven-segment display UI, Monitor program for code entry/execution, TTY mode for serial terminal input, Code execution suspension to save battery, Play/pause button for resuming execution

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

**In-app purchases:** none


## Frequently asked questions

### Is ST100 Configuration Tool free?

ST100 Configuration Tool is free to download, with no in-app purchases.

### Is SDK85 free?

SDK85 is free to download, with no in-app purchases.

### Which has better reviews, ST100 Configuration Tool or SDK85?

ST100 Configuration Tool is rated higher. ST100 Configuration Tool averages 5.0 out of 5 from 1 ratings, while SDK85 averages 4.0 from 1 ratings.

### Do ST100 Configuration Tool or SDK85 have ads?

Neither ST100 Configuration Tool nor SDK85 shows ads.

### Which is updated more often, ST100 Configuration Tool or SDK85?

ST100 Configuration Tool ships an update every 18 months, and SDK85 every 2 weeks. Most recently, ST100 Configuration Tool was updated on September 30, 2026 and SDK85 on October 1, 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.*