# Monium

> Superconducting qubit lab

Canonical page: [https://chrome-stats.com/d/id6774312164](https://chrome-stats.com/d/id6774312164)

## Overview

- **ID:** `id6774312164`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** Jens Koch
- **Category:** Education
- **Rating:** 5.00 / 5 (2 ratings)
- **Version:** 1.0
- **Last updated:** 2026-06-11
- **First published:** 2026-06-11
- **Size:** 42 MB
- **Data as of:** 2026-09-21
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/monium/id6774312164)
- **Website:** [https://monium.nurmelleben.com](https://monium.nurmelleben.com/)
- **Privacy policy:** [https://monium.nurmelleben.com/privacy](https://monium.nurmelleben.com/privacy)

## Description

Interactive superconducting-qubit physics in your pocket: sweep parameters and watch spectra, wavefunctions, matrix elements, and coherence times update live.

Monium puts superconducting-qubit physics in your pocket — a mobile companion to the open-source scqubits library, built for researchers, students, and the quantum-curious.

Pick a qubit, tune its parameters with live sliders, and watch the physics update in real time:

• Energy spectrum vs. any swept parameter
• Wavefunctions over the potential (and in the charge basis)
• Matrix elements as a heatmap, and vs. the swept parameter
• T1 / T2 coherence times per noise channel
• Exact computed values behind every plot, as tables

Supported qubits: Transmon, Tunable Transmon (SQUID), and Fluxonium.

Built for real work:
• Enter the Josephson energy the way you measure it — critical current, junction inductance, or room-temperature normal-state resistance (with a cryo/room ratio).
• Save and reload presets per qubit.
• Convergence indicators so you can trust the numbers.

Everything runs on-device. No account, no ads, no tracking, no network — your work stays on your phone.

Monium mirrors scqubits' conventions and is validated against it, so the numbers match the desktop tool you already trust.

## Rankings

- #671,042 — Overall

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Source: [Chrome-Stats](https://chrome-stats.com/d/id6774312164)