# Watt CS: Charging Speed Meter

> Wattage Monitor & Charger Test

Canonical page: [https://chrome-stats.com/d/id6766040428](https://chrome-stats.com/d/id6766040428)

## Overview

- **ID:** `id6766040428`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** Aakash Sajjad
- **Category:** Utilities
- **Rating:** 5.00 / 5 (1 ratings)
- **Version:** 1.0
- **Last updated:** 2026-05-06
- **First published:** 2026-05-06
- **Size:** 37 MB
- **Data as of:** 2026-09-18
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/watt-cs-charging-speed-meter/id6766040428)
- **Privacy policy:** [https://sites.google.com/view/watt-cs-charging-speed-meter/home](https://sites.google.com/view/watt-cs-charging-speed-meter/home)

## Description

NEW: Charger Leaderboard ranks your Apple, Anker & cables by real efficiency. See live wattage, run custom benchmarks, and finally know which charger wins

Stop guessing. Start measuring.

Watt CS shows your charger's true output in real time — down to 0.1W — using direct hardware sensor data via the Nitro Library. Plug in and instantly know if you're getting fast charging, or being shortchanged by a cheap cable.

— REAL-TIME WATTAGE MONITOR —
• Live watts updated continuously with 0.1W precision
• Direct hardware sensor access via Nitro Library — not estimated
• Dynamic charging ring changes color and icon for Fast or Full states
• Professional hardware calibration ensures every reading is accurate

— BENCHMARK YOUR CHARGERS —
• Run scientific speed tests with custom start and end percentages
• Test Apple 20W, Anker, MacBook charger, or any cable side by side
• Charger Leaderboard automatically ranks every charger by real efficiency
• Know exactly which charger is worth keeping and which to replace

— SMART CHARGING HISTORY —
• Every session logged automatically: Max Watts, Avg Speed, Total Time
• One-tap filters: Fast, Normal, or Slow sessions in one tap
• Spot patterns — does your charger slow down at night? History reveals it

— UNDERSTAND YOUR BATTERY —
• 80% Trickle Detection with visual warning and science-backed explanation
• Know why charging intentionally slows after 80% to protect battery health
• No more wondering if something is wrong — the app explains it clearly

— PREMIUM & PRIVATE —
• No ads. No accounts. No internet connection required.
• All data stays entirely on your device
• Glassmorphism UI, full Dark Mode, animated splash screen
• Designed for iPhone and iPad

PERFECT FOR:
→ Testing a new charger before trusting it overnight
→ Diagnosing why your iPhone charges slowly
→ Verifying your cable actually supports fast charging
→ Deciding which charger to pack for a trip

Watt CS gives you the data. You make the decision.

## Rankings

- #745,516 — Overall

## Similar extensions and apps

- [WattCheck: Charger Power Meter](https://chrome-stats.com/d/id6766281256) — 3.20 / 5
- [WattCheck: Cable Tester](https://chrome-stats.com/d/id6790480866) — 1.00 / 5
- [Watt Charging Speed: Meter](https://chrome-stats.com/d/id6760211479) — 4.20 / 5
- [Amperes Battery Charging Lite](https://chrome-stats.com/d/id1253789580) — 4.20 / 5
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- [ampere charging measurement](https://chrome-stats.com/d/id6761297072) — 3.40 / 5
- [Volra: Battery & Charger Test](https://chrome-stats.com/d/id6793979310)
- [ChargeGlow: Charger Quality](https://chrome-stats.com/d/id6777425180)
- [ChargerLink](https://chrome-stats.com/d/id793636411) — 4.00 / 5
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Source: [Chrome-Stats](https://chrome-stats.com/d/id6766040428)