Apps by Siu Yuen Ho
Voltage Regulator app icon

Education

Voltage Regulator

Siu Yuen Ho

Free download 4.80 · 1 storefront · 5 ratings In-app purchases unconfirmed
Open on Apple

About this app

This app is a voltage regulator calculator. It is is suitable for electronics hobbyist, electronic engineers or professionals. Features * Support 3-terminals adjustable voltage regulators * To find out combinations of 2 resistors making a desired output voltage * Calculate resistor values / output voltage * Export results to CSV file * Share CSV file to iCloud Drive (For iOS8 or later) * Share CSV file via AirDrop (For iOS7 or later) Feature in PRO only * Calculate thermal resistance of heatsink * Selectable 1%, 5% resistors * No ads * No limitations

Latest release

What’s New

Version 1.4.0 May 4, 2025

Fix minor bugs

Audience growth

Ratings growth

Steady
7-day gain +0
Ratings / day 0.0
30-day gain +0
US rating-count history
5 ratings
5 Oct 12, 2026 · 5 ratings Oct 12, 2026

Baseline captured. Growth appears after the crawler observes a changed rating count.

Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.

Price tracking

Price intelligence

1 captured event
Current Free
Historical low Free
Paid → free 0×
Price history
Current Free
Free Oct 12, 2026 · Free Oct 12, 2026

First snapshot captured. The trend line starts after the next crawler price observation.

  1. First observed Oct 12, 2026 · 8:40 PM Free

Screenshots

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