
PanaKit
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Handler
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PanaKit is a free, all-in-one online toolkit for engineers, students, developers, and everyday users. It offers 380+ tools including calculators, unit converters, reference tables, and developer utilities โ all accessible instantly with no account or sign-up required. Tools span 20+ categories including math, health & fitness, electrical engineering, finance, lighting, and more. Results are calculated in real-time as you type, with step-by-step breakdowns where applicable. PanaKit is completely ad-free, works on any device, and is free forever.
Handler is a vibe marketing agent for app marketers. It helps app teams find outlier TikToks, understand what makes them work, and turn proven patterns into clearer creative direction. Todayโs launch focuses on Handler and TikSpy: research winners faster, reduce manual scrolling, and know what to test next.
PanaKit
HandlerPanaKit's answer
PanaKit is one of the few platforms that combines calculators, unit converters, reference tables, and developer tools all under one roof โ completely free, ad-free, and with zero sign-up required. Results calculate in real-time as you type, and the tool library spans 20+ categories from electrical engineering to health, finance, math, and developer utilities. No distractions, no paywalls, just tools.
Handler's answer:
Handler is built specifically for app marketers who want to find what is already working on TikTok. Instead of guessing content ideas, Handler helps teams discover outlier TikToks, understand winning patterns, and decide what to test next.
PanaKit's answer
Unlike competitors that show ads, require accounts, or charge for advanced tools, PanaKit is 100% free and ad-free with no restrictions. It offers broader category coverage than most alternatives โ including niche areas like lighting calculations, wire gauges, and electrical engineering โ while still being simple enough for students and everyday users. Everything works instantly in the browser with no install needed.
Handler's answer:
Handler is focused on TikTok research for app growth, not generic social media management. It helps marketers move faster from โwhat should we post?โ to clear creative direction based on real winning TikToks.
PanaKit's answer
PanaKit serves a wide range of users including electrical engineers, students, developers, finance professionals, and everyday users who need quick and reliable calculations or conversions. It's especially useful for anyone who regularly Googles unit conversions or formula-based calculations and wants a single bookmarked destination instead.
Handler's answer:
Handler is made for app founders, growth marketers, mobile app teams, indie app builders, and agencies that use TikTok to grow consumer apps.
PanaKit's answer
PanaKit was built out of frustration with the existing landscape of calculator and converter sites โ most are cluttered with ads, require sign-ups, or only cover a narrow set of tools. The goal was to create a single, clean, fast, and comprehensive utility platform that anyone could open and use instantly, with no friction. It started with core math and electrical tools and has grown to 380+ tools across 20+ categories.
Handler's answer:
Handler was created because app teams spend too much time manually scrolling TikTok trying to understand what content works. We built it to make TikTok research faster, clearer, and more repeatable for app marketers.
PanaKit's answer
PanaKit is a free consumer tool with no registered customer base, but it is used daily by:
Electrical engineers and technicians University and high school students Software developers and programmers Finance and accounting professionals Health and fitness enthusiasts Teachers and educators
Handler's answer:
Handler is currently early, so we are not publishing customer names yet. The product is built for app founders, consumer app teams, growth marketers, and agencies working on TikTok-based app growth.
PanaKit's answer
PanaKit is built as a modern web application using Next.js (React framework) for fast server-side rendering and SEO, with a fully responsive frontend. It uses high-precision math libraries to ensure accurate calculations and is hosted on a performant cloud infrastructure to deliver instant load times globally.
Handler's answer:
Handler uses AI analysis, TikTok content research, video metadata extraction, creative pattern detection, and a web-based dashboard to help app marketers find and understand winning TikToks.
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