Supervolt vs Utility King
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Supervolt
Monitor your LiFePO4 batteries with this app. It displays key parameters like capacity, voltage, current, temperature, and charge status. Connect up to eight batteries simultaneously and name them for easy identification.
- Displays battery capacity (Ah)
- Shows charge status (SOC)
- Monitors voltage and current
- Tracks temperature and cycles
- Connects up to 8 batteries
- Names individual batteries
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Establishes the connection with supervolt lithium LiFePO4 batteries and clearly displays battery-relevant data. Displayed parameters: - Capacity in Ah - Remaining capacity in Ah - Charge status (SOC) - Volt/voltage in volts - Charge and discharge current in amperes - Battery status - Cycles - Voltage per cell in volts - Temperature in Cยฐ - Remaining usage time based on current consumption - Time remaining until battery full Features: - Connect with up to 8 batteries at the same time - Display values summarized and individually on two dashboards - Listing of batteries - Name batteries - automatic connection when starting the app
Utility King
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Utility King packs 27 essential tools into one clean, fast, and fully offline app. Stop cluttering your home screen with single-purpose apps โ everything you need is here, works instantly, without Wi-Fi. --- 27 TOOLS INCLUDED --- QR Code Reader Scan any QR code instantly. Supports URLs, contacts, Wi-Fi credentials, and plain text. Barcode Scanner Read barcodes in any format โ Code 128, EAN-13, EAN-8, PDF-417, and more. QR Code Generator Create custom QR codes for any text, link, or data. Share or save with one tap. Torch Instant flashlight. Tap once, done. Spirit Level Turn your iPhone into a precision level. Perfect for hanging frames and mounting shelves. Battery Health See your battery's true capacity, charge cycle count, estimated lifespan, and real-time charging status. The data Apple hides. Compass Precise, always-offline directional compass. Qibla Finder GPS-based Qibla direction from anywhere in the world. Accurate, instant, no internet needed. Prayer Times Daily prayer times based on your GPS location. Works completely offline, globally. Unit Converter Convert length, weight, temperature, speed, area, volume, and more โ all in one place. Salary Calculator Calculate your real take-home pay after taxes. Supports multiple countries and currencies. Calculator A clean, fast everyday calculator. Stopwatch and Timer Full-featured stopwatch with lap times and a precise countdown timer. Clipboard History Never lose a copied text again. Everything you copy is saved, searchable, and ready to reuse. Password Generator Generate strong, secure passwords with custom length and character rules. Bluetooth Scanner Discover all Bluetooth devices nearby with signal strength and device details. Hidden Camera Detector Scan for suspicious RF signals and detect hidden cameras in hotels, rentals, and changing rooms. Noise Meter Real-time decibel meter. Measure sound levels in your environment instantly. Earthquake Siren A loud emergency siren for critical situations โ powerful when it matters most. Secure Vault Store sensitive notes, passwords, and private data locked behind Face ID or Touch ID. Water Tracker Log your daily water intake and build healthy hydration habits. Shopping List A simple, fast grocery and shopping list manager. Date Converter Convert between date formats, calculate the difference between two dates, and work with Unix timestamps. Wi-Fi Info View your current network details: IP address, SSID, and connection info. World Clocks Analog clocks for 24 major cities worldwide. Drag to reorder, tap for full details. Dice and Coin Roll a die or flip a coin โ virtual randomness whenever you need it. Tarot Classic tarot card readings for reflection and entertainment. --- WHY UTILITY KING --- โข 27 tools in a single app, no clutter โข 100% offline โ no Wi-Fi required for any tool โข Instant startup, no loading screens โข Clean interface with light and dark mode support โข Pin your favorite tools as shortcuts for one-tap access โข Privacy first: no data collection, no tracking, no ads โข New tools added with every update --- UTILITY KING PRO --- Unlock all current and future tools with a single Pro subscription. Monthly Plan: Full access, cancel anytime. Yearly Plan: Best value โ save over 50%. All future tools included at no extra cost. Five tools are free forever: QR Reader, Torch, Spirit Level, Battery Health, Compass. One download. Every tool you need. Always offline. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://erdikaniks.blogspot.com/2026/04/privacy-policy-utility-king.html
Screenshots
Verdict
The clearest difference is update cadence: Utility King at weekly against Supervolt's monthly. Supervolt's advantage is device support (3 vs 1) and iOS requirement (15.6 vs 26.2). On price, ads and in-app purchases there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Supervolt ships an update monthly, Utility King weekly. The most recent releases landed on November 3, 2026 and October 25, 2026 respectively.
| Parameter | Supervolt | Utility King |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 42.2% of reviews | โ |
| Update frequency | Monthly | Weekly โ better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | โ |
| Devices | iPhone, iPad, iPod โ better | iPhone |
| Requires iOS | 15.6 โ better | 26.2 |
| Further details โ not scored | ||
| Size | 11 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Bauer Trading GmbH | Erdi Kanik |
In-app purchases
Supervolt
No in-app purchases
Utility King
No in-app purchases









