BATTech by RN vs Where's My Battery?
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
BATTech by RN
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Introducing BATTechβthe ultimate application designed to simplify complex battery calculations and generate professional PDF reports effortlessly. Developed with the expertise of Mr. Ramesh Natarajan, a veteran with over 42 years in the lead-acid battery industry, BATTech ensures precision, reliability, and efficiency at your fingertips. Why BATTech? - Accurate Calculations β Leverage industry-proven formulas for unparalleled precision. - Customizable Parameters β Tailor inputs to match your unique requirements. - Professional PDF Reports β Generate, share, and archive detailed reports instantly. - Industry-Standard Reliability β Built on decades of battery design expertise. - User-Friendly Interface β Navigate with ease, no matter your experience level. The Legacy Behind BATTech Created with insights from Ramesh Natarajan, a pioneer in the battery industry, BATTech empowers manufacturers, engineers, and educators to optimize processes, enhance product quality, and drive innovation. Who is BATTech For? - Battery Manufacturers & Engineers - Researchers & Educators - Industry Enthusiasts & Innovators Whether youβre designing, analyzing, or educating, BATTech is your go-to solution for simplified, accurate, and professional battery calculations.
Where's My Battery?
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Where's My Battery? takes the frustration out of managing batteries at home. Whether you're hunting for AAs for the TV remote or checking if you have a spare 9V for the smoke alarm, this app keeps everything organised in one place. TRACK YOUR BATTERY STOCK Add the batteries you have at home β AA, AAA, C, D, 9V or custom types β and see at a glance how many you have. Get low stock warnings before you run out. MANAGE YOUR DEVICES Log every device in your home and which batteries it uses. Add a photo so you can identify devices instantly. Never buy the wrong batteries again. BUY BATTERIES INSTANTLY Running low? Browse and buy batteries directly from within the app. No need to switch apps or search online β get what you need with a tap. BUILT FOR REAL LIFE β’ Tracks rechargeable and non-rechargeable batteries separately β’ Custom battery types for specialist devices β’ Clean, simple design β no clutter β’ Works completely offline, no account needed β’ No personal data collected Download Where's My Battery? and always know exactly what's in that kitchen drawer.
Screenshots
Verdict
The clearest difference is ads: BATTech by RN at none against Where's My Battery?'s shown. Where's My Battery?'s advantage is update cadence (every 2 weeks vs every 2 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
BATTech by RN ships an update every 2 months, Where's My Battery? every 2 weeks. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.
| Parameter | BATTech by RN | Where's My Battery? |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Every 2 weeks β better |
| Ads | No β better | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.5 | 15.1 β better |
| Further details β not scored | ||
| Size | 38 MB | 31 MB |
| Age rating | 4+ | 4+ |
| Developer | Ramesh Natarajan Kailad | Steven Mason |
In-app purchases
BATTech by RN
No in-app purchases
Where's My Battery?
No in-app purchases
Questions
Is BATTech by RN free?
Is Where's My Battery? free?
Do BATTech by RN or Where's My Battery? have ads?
Which is updated more often, BATTech by RN or Where's My Battery??
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