Lightning Distance vs Ampero

Lightning Distance turns the old "flash-to-bang" trick into a precise, one-tap tool. Tap when you see the flash, tap again when you hear the thunder — the app calculates how far away the storm is using the real speed of sound, with an optional temperature adjustment for even more accurate results. See it, don't just read it: your estimated distance is drawn live on a map centered on your location, so you can watch the strike radius as you count. FEATURES • One-tap timing — no math, no guessing • Live map visualization of the estimated strike radius • Metric and imperial units, detected automatically or set manually • Optional temperature calibration for more precise readings • Clean, modern design built for quick glances during a storm • No ads, no tracking, no account required Your location is only ever used to center the map — it's never stored, transmitted, or shared. Lightning Distance isn't a substitute for official severe weather warnings, but it's a fast, no-fuss way to get a sense of how close a storm really is — whether you're deciding when to head indoors or just curious after that last strike.

Ampero is the professional electrical calculator trusted by electricians, engineers, and contractors. Perform accurate, standards-compliant calculations instantly no more manual tables or guesswork. ▸ 11 CALCULATORS, ONE TOOLKIT FREE: • Cable Size — IEC 60364 cross-section sizing with ampacity validation • Voltage Drop — Verify actual drop for any cable run • Ohm's Law — Solve V, I, R, P from any two values • Lighting — Fixture count by lumen method (EN 12464-1) PRO: • Conduit Fill — NEC/IEC conduit sizing with fill ratio • Transformer Sizing — kVA selection, primary/secondary amps, Isc • Short Circuit — Fault current from transformer to fault point (IEC 60909) • Breaker Selector — Match MCB/MCCB to cable and load • Motor Starting — FLA, inrush current for DOL, Y-Δ, Soft Start, VFD • Grounding — PE conductor sizing with adiabatic method (IEC 60364-5-54) • Power Factor Correction — kVAr capacitor bank calculation ▸ STANDARDS YOU CAN RELY ON Every calculation references IEC 60364, IEC 60909, NEC Chapter 9, and EN 12464-1. Results include safety margins, coordination checks, and clear pass/fail indicators. ▸ PDF REPORTS WITH YOUR BRAND Generate professional PDF reports and share them with clients or inspectors. Pro users can add their company logo, name, address, and license number to every report. ▸ BUILT FOR THE FIELD • Dark interface designed for jobsite readability • Instant results — no internet required • Calculation history saved on device • English and Turkish language support ▸ AMPERO PRO Unlock all 7 premium calculators, PDF export with company branding, full IEC reference tables, ad-free experience, and unlimited calculation history. PLANS • Ampero Pro — Monthly: $4.99 / month, auto-renewing • Ampero Pro — Annual: $29.99 / year, auto-renewing (~$2.50/month) • Ampero Pro — Lifetime: $59.99, one-time purchase (not a subscription) SUBSCRIPTION TERMS Payment will be charged to your Apple ID account at confirmation of purchase. Subscriptions automatically renew unless auto-renew is turned off at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period at the price disclosed at the time of purchase. You can manage and cancel subscriptions in your App Store account settings after purchase. PRIVACY POLICY https://ampero.zukasoft.com/privacy-policy.html TERMS OF USE (EULA) https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Whether you're sizing a cable for a residential panel or selecting a transformer for an industrial facility, Ampero gives you the answer in seconds backed by international standards. Download now and calculate with confidence. Made by zukasoft. Got feedback? info@zukasoft.com