# Blumoto — A Heathkit ET-3400 Simulator

> A Heathkit ET-3400 Simulator (iPhone/iPad app by Martin Gernss.)

- Source: https://appshunter.io/ios/app/blumoto/id6498719071 (this page in markdown: same URL + `.md`)
- Developer: [Martin Gernss](https://appshunter.io/developer/1576583320)
- Category: Education, Developer Tools
- Price: Free
- Age rating: 4+
- Requires: iOS 15.0 · 65 MB
- Released: 2024-04-22
- Data updated: 2026-05-16
- User reviews in markdown: https://appshunter.io/ios/app/blumoto/id6498719071/reviews.md

## What is Blumoto?

A Heathkit ET-3400 Simulator.

The app simulates a Heathkit ET-3400. This was an inexpensive computer from 1977 for people to learn about computing and programming.
With the app you can enter programs in machine code using the keypad and see the result on the 6 LED digits. It emulates the Motorola 6800 8 bit processor and contains the original ROM and 256 bytes of RAM


## Version history (last 2 releases)

### 1.1 — 2025-12-16

- Bugfixes
- Ability to paste bytes from S19 or Base16 text into RAM

### 1.0 — 2024-04-23

No release notes.

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## More apps by Martin Gernss

- [XpRemotePanel](https://appshunter.io/ios/app/xpremotepanel/id1576583318)

All apps by Martin Gernss: https://appshunter.io/developer/1576583320

## Related topics

[martin gernss](https://appshunter.io/ios/topics/martin-gernss)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-05-16.*