# QRTL Hydrogen Resonator — Net Positive

> Net Positive (iPhone/iPad app by David Nishimoto.)

- Source: https://appshunter.io/ios/app/qrtl-hydrogen-resonator/id6805714192 (this page in markdown: same URL + `.md`)
- Developer: [David Nishimoto](https://appshunter.io/developer/1271438988)
- Category: Productivity, Weather
- Price: $19.99
- Age rating: 4+
- Requires: iOS 26.5 · 3 MB
- Languages: American English
- Released: 2026-09-23
- Data updated: 2026-09-25

## What is QRTL Hydrogen Resonator?

The economic reason for building the QRTL Hydrogen Resonator app is to explore whether an unconventional hydrogen-production technology could eventually become economically competitive with existing hydrogen-production methods. Hydrogen is increasingly important for energy storage, industrial processes, transportation, ammonia production, and other applications, while the cost of producing clean hydrogen remains a major barrier to widespread adoption. The app provides an interactive way to investigate the economic requirements of a proposed resonant-laser approach rather than simply presenting a theoretical concept.

The QRTL Hydrogen Resonator begins with electrical power and models how three synchronized 2.94 μm Er:YAG lasers could produce coherent electromagnetic fields inside an optical cavity. Users can adjust the power of each laser, cavity detuning, cavity finesse, and the phase of the second and third lasers to examine how these variables affect the simulated resonance, power buildup, coherence, beam uniformity, and standing-wave behavior. These controls provide a way to study how improvements in the simulated optical system could potentially affect modeled hydrogen production and operating costs.

From an economic perspective, the most important outputs are modeled hydrogen production, electrical energy consumption, electricity cost, other operating expenses, revenue, profit per kilogram, and break-even hydrogen price. Users can change electricity and hydrogen selling-price assumptions to determine the conditions under which the proposed system could become profitable. This creates a technology-economic simulation that connects the proposed physics model directly to commercial performance.

The app can also help identify the most important economic variables and demonstrate how efficiency, energy consumption, equipment operation, and hydrogen prices influence profitability. Although the QRTL hydrogen-production mechanism remains a proposed hypothesis requiring experimental validation, the app provides a useful framework for investigating its potential economic implications and determining what technical performance would be necessary for commercialization.

oduction output. Electrical energy consumption is converted into operating cost using the configured electricity price, while hydrogen production is converted into revenue using the configured selling price.


## Version history (last 1 release)

### 3 — 2026-09-23

No release notes.

## More apps by David Nishimoto

- [Balanced Eat](https://appshunter.io/ios/app/balanced-eat/id1271438989)
- [Louise AI Chat](https://appshunter.io/ios/app/louise-ai-chat/id6749811490)
- [LouiseAiArticleBuilder](https://appshunter.io/ios/app/louiseaiarticlebuilder/id6751246913)
- [Louise Ai Disease Predictor](https://appshunter.io/ios/app/louise-ai-disease-predictor/id6751450754)
- [Louise AI DIY Car Repairs](https://appshunter.io/ios/app/louise-ai-diy-car-repairs/id6751601285)
- [Louise Ai Vehicle Value](https://appshunter.io/ios/app/louise-ai-vehicle-value/id6752220631)

All apps by David Nishimoto: https://appshunter.io/developer/1271438988

---

*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 2026-09-25.*