# SDK85 vs GuardPad

The clearest difference is in-app purchases: SDK85 at none against GuardPad's 1. SDK85 also leads on iOS requirement (17.0 vs 26.2). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. GuardPad sells 1 one-off in-app purchase. SDK85 asks for nothing beyond the download.

SDK85 ships an update every 2 weeks, GuardPad monthly. The most recent releases landed on October 12, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | SDK85 | GuardPad |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/sdk85/id6443719532/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Monthly |
| Monetization | Free | — |
| Size | 12 MB | 8 MB |
| Requires iOS | **17.0** | 26.2 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Juergen Schuck](https://appshunter.io/developer/1616701349) | [Olof Petterson](https://appshunter.io/developer/1808256024) |

## What reviewers say

### 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


### GuardPad

[App page](https://appshunter.io/ios/app/guardpad-security-scanner/id6759147267)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| GuardPad PRO | $9.99 | one-time |


## Frequently asked questions

### Is SDK85 free?

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

### Is GuardPad free?

GuardPad is free to download, with in-app purchases available.

### Do SDK85 or GuardPad have ads?

Neither SDK85 nor GuardPad shows ads.

### Which is updated more often, SDK85 or GuardPad?

SDK85 ships an update every 2 weeks, and GuardPad monthly. Most recently, SDK85 was updated on October 12, 2026 and GuardPad on October 8, 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.*