btkbd vs CalcGrid
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
btkbd
Transform your phone into a full-sized Bluetooth keyboard for various devices like laptops, tablets, and smart TVs. Easily type emails, messages, and more without needing extra hardware. Ideal for on-the-go use or when you need a convenient typing solution.
- Turns phone into a full-sized keyboard
- Connects via Bluetooth
- Supports laptops, tablets, TVs, and consoles
- Easy setup and pairing
- Convenient for travel and remote use
- Type emails, messages, and notes
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Imagine turning your phone into a trusty, full-sized keyboard whenever you need it. That’s exactly what this app does. No fuss, no fancy tricks—just a straightforward way to type on all kinds of devices, from your laptop and tablet to your TV box, gaming console, or even a smart fridge that supports a Bluetooth keyboard. With a few quick taps, you’ll be typing away, crafting emails, notes, and all sorts of messages as if you were using a regular keyboard. It’s great for those moments when you’re on the go and don’t want to lug around extra gear. The setup is easy—just open the app, pair it via Bluetooth, and you’re good to go. Type comfortably and confidently, whether you’re writing that big project proposal, chatting with friends, playing a game that needs precise input, or simply searching for your next movie to watch. You’ll have all the keys you need right there on your phone’s screen. Want to lean back on the couch while typing on your smart TV? No problem. Need something lighter to carry than a full keyboard while traveling? This app has you covered. It’s a handy companion that’s always with you, making everyday tasks a little smoother and more enjoyable. Give it a try, and discover how easy it can be to transform your phone into your personal keyboard assistant.
CalcGrid
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CalcGrid: A Structured Vertical Table Calculator for Life, Work, and Study CalcGrid isn’t just a basic calculator—it’s a smart, structured, and intuitive vertical table calculator designed to bring clarity and order to your daily calculations. Inspired by the layout of Excel, CalcGrid displays your entire calculation process in a vertical column format, making every step visible and editable. Instead of struggling with long, hard-to-read single-line formulas, you can now manage your math as clearly as writing it on paper. CalcGrid is built for real-world usage—not just quick math but multi-step, continuous, and revisable calculations. Whether you’re tracking expenses, solving math problems, or preparing a budget, it gives you the simplicity of a calculator with the structure of a spreadsheet, all in a mobile-optimized design. Core Features • Vertical Table Layout Input numbers and operators in a clean column layout. Just like writing on paper—clear, easy, and organized. • Step-by-step Calculation Display Every number, operator, and result appears in its own cell. Perfect for reviewing, correcting, or validating your logic. • Smart Input Handling The app automatically places your inputs in the correct fields (number or operator) and moves to the next cell—ideal for fast-paced entry. • Fully Editable at Any Time Tap on any cell to modify its content without needing to redo the entire calculation. • Real-time Auto Calculation As you type or make changes, the result updates immediately. No extra buttons, no repeated “equals” taps. • No Sign-up or Ads Lightweight, fast, distraction-free. Just download and go. Use CalcGrid for Everyday, Professional, and Educational Needs Everyday Life • Shopping Calculator – Keep a running total while grocery shopping. • Daily Expense Tracker – Record and manage your spending effortlessly. • Bill Splitter – Easily divide restaurant or shared expenses with friends. • Home Budget Planner – Organize your rent, utilities, and savings in one place. Work & Business • Business Trip Expense Calculator – Tally travel, meals, and hotel costs. • Pricing & Profit Estimator – Enter costs and margins to quickly calculate prices. • Small Business Ledger – Track inventory, sales, and costs with a column layout. • Freelance Project Quotes – Build, review, and update pricing for client projects. Learning & Education • Math Homework Assistant – Break down complex problems step-by-step. • Classroom Teaching Tool – Help students visualize arithmetic operations clearly. • Student Budgeting Practice – Teach basic budgeting and money management. Fast, Clean, and Focused • Instant launch with zero lag • Real-time input response • Seamless cell editing • Designed for touch-first devices • Works offline—no internet required • No ads, no clutter—just pure utility Who Is CalcGrid For? • Shoppers who want to tally costs on the go • Budget-conscious users organizing monthly finances • Freelancers quoting project costs • Travelers recording expenses on the road • Students solving math problems step-by-step • Teachers and tutors guiding learners • Anyone who finds traditional calculators limiting Whether you’re working on personal finances, educational tasks, or business calculations, CalcGrid gives you a structured and visual way to stay organized and accurate. Rethink How You Calculate CalcGrid isn’t just about finding a result—it’s about understanding how you got there. Its clear table structure lets you see, adjust, and manage complex calculations with ease. If you’ve ever wished for a mobile version of Excel that’s fast, simple, and focused solely on math, this is it. Perfect for those who love order, need flexibility, and expect more than a basic calculator can offer.
Screenshots
Verdict
The clearest difference is price: btkbd at Free against CalcGrid's $0.99. CalcGrid's advantage is in-app purchases (none vs 1) and update cadence (every 3 days vs fortnightly). On ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
btkbd is free to download; CalcGrid costs $0.99 up front. btkbd sells 1 one-off in-app purchase. CalcGrid asks for nothing beyond the download.
btkbd ships an update fortnightly, CalcGrid every 3 days. The most recent releases landed on October 14, 2026 and September 30, 2026 respectively.
| Parameter | btkbd | CalcGrid |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 4.0 (13 ratings) — better | — |
| Positive reviews | 71.4% of reviews | — |
| Number of ratings | 13 — better | — |
| Update frequency | Fortnightly | Every 3 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 7 MB | 0 MB |
| Age rating | 4+ | 4+ |
| Developer | Iaroslav Mironov | VIADEX VENTURES INC |
In-app purchases
btkbd
- btkbd.pro$3.99
CalcGrid
No in-app purchases








