MegaCalcBox vs Grid Calculator.
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MegaCalcBox
This app offers over 35 professional calculators for finance, travel, health, utilities, and more. It features a clean design, smart tools like favorites and instant results, and operates completely offline with no data collection.
- 35+ professional calculators
- Financial, travel, health, and utility tools
- Offline operation
- Smart features (favorites, instant results)
- Clean interface with dark mode
- No ads or data collection
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MegaCalcBox puts 35+ professional calculators in your pocket. From managing finances to tracking health, planning travel to calculating utilities — everything you need in one beautiful app. Why MegaCalcBox? • All-in-One Solution – Replace dozens of apps • Beautiful Design – Clean interface with dark mode • Smart Features – Examples, favorites, instant results • No Ads – Clean, focused experience • Regular Updates – New calculators monthly 35+ Professional Calculators Financial (11) • Compound Interest – Investment growth projections • Mortgage – Monthly payments & total interest • Paycheck – Take-home pay after taxes • Net Worth – Track assets & liabilities • Investment Returns – Portfolio performance • Retirement Planning – 401k & IRA calculations • Loan Calculator – Any loan type • Budget Planner – 50/30/20 rule • Inflation – Purchasing power over time • Debt Payoff – Elimination strategies • Emergency Fund – Savings goals Travel (5) • Drive to Work – Gas vs electric costs • EV Charging Cost – Electric vehicle expenses • Miles Per Gallon – Fuel efficiency • Trip Time – Travel duration estimates • Lease vs Buy Car – Vehicle financing comparison Health & Fitness (7) • Body Mass Index – BMI & health categories • Calorie Burning – Exercise calories • Drinking Calories – Alcohol calorie tracker • One Rep Max – Weight lifting capacity • Pregnancy Due Date – Baby arrival estimates • Sleep Debt – Track & recover sleep deficit • Daily Calories – BMR, TDEE & caloric needs Utilities (5) • Appliance Energy Cost – Electricity expenses • Phone Cost Per Minute – Usage costs • Monthly Bills – Recurring expenses • Renting Cost – True rental costs • Rent vs Buy Home – Housing decisions Education (2) • GPA Calculator – Grade point average • School Cost – Education expenses Lifestyle (5) • Tip Calculator – Tips & bill splitting • Unit Converter – Measurement conversions • Currency Converter – Exchange rates • Sales Tax – Purchase calculations • Percentage Calculator – Quick solutions Freemium Model Try Free: First calculator in each category FREE forever! Pro Upgrade: One-time purchase unlocks all 35+ calculators • Lifetime access • Future calculators included • No subscriptions Key Features • Smart Examples – One-tap demos • Favorites System – Quick access • Category Filters – Find instantly • Beautiful Charts – Visualize results • Share Results – Export calculations • Custom Keyboards – Efficient entry • Real-time Results – Instant updates Privacy First • 100% Offline – No internet required • Zero data collection • No account needed • Calculations stay private Perfect for: Homeowners, students, professionals, fitness enthusiasts, and anyone needing quick, accurate calculations. Download MegaCalcBox today – your ultimate calculation companion!
Grid Calculator.
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【Grid Calculator】 gathers everyday arithmetic, scientific functions, photo-based problem solving and conversion tools into one place, so a whole day's calculations stay in a single app. Everyday Calculator Addition, subtraction, multiplication, division and percentages, with the expression and the running result shown together so you can check each step as you type. Scientific Functions Trigonometry, logarithms, powers and roots are laid out on a dedicated keypad for coursework, engineering notes or any task that goes past basic arithmetic. Photo Problem Solving Point the camera at a written problem, adjust the four corners to frame it, and read a step-by-step walkthrough of how the answer is reached. Currency Conversion Convert between 40 currencies using rates fetched online, with the latest values kept on the device so figures remain available when the network drops. Unit Conversion Move between length, area, volume, weight, temperature, time and speed across 55 units, with the pair you use most remembered for next time. History and Appearance Calculations and conversions are grouped by date for quick lookup, while themes, backgrounds, key sounds and decimal precision can be adjusted to suit how you work. Arithmetic, scientific work, photo solving and conversions in one organised place — download today and keep every calculation together. Premium Account Pricing and Terms $7.99/week* $39.99/year* *Prices are shown in US dollars. Actual charges may be converted into your local currency based on your country or region. Payment will be charged to your iTunes account at confirmation of purchase. Subscriptions renew automatically unless auto-renew is turned off at least 24 hours before the end of the current period. The account will be charged for renewal within 24 hours prior to the end of the current period, and the cost of the renewal will be provided. Subscriptions may be managed by the user. Auto-renewal may be turned off by going to the user's account settings after purchase. Cancellation of the current subscription is not allowed during an active subscription period. Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication. EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://luyouflow.xyz/jisuanqi/privacy.html
Screenshots
Verdict
The clearest difference is update cadence: Grid Calculator. at every 2 weeks against MegaCalcBox's every 2 months. On price, ads, in-app purchases 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
Both are free to download. MegaCalcBox sells 1 one-off in-app purchase and Grid Calculator. sells 2 in-app purchases, starting at $9.99 per 7 days. Whichever you choose, the download price is not the number that matters.
MegaCalcBox ships an update every 2 months, Grid Calculator. every 2 weeks. The most recent releases landed on November 1, 2026 and November 7, 2026 respectively.
| Parameter | MegaCalcBox | Grid Calculator. |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (3 ratings) — better | — |
| Positive reviews | 88.6% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 2 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.6 | 16.0 — better |
| Further details — not scored | ||
| Size | 12 MB | 10 MB |
| Age rating | 12+ | 4+ |
| Developer | Kind Park LLC | Hong Kong BLJ Cosmetics Limited |
In-app purchases
MegaCalcBox
- MegaCalcBox Pro$1.99
Grid Calculator.
- Weekly Gold3 Days trial$9.997 Days
- Yearly Gold$39.991 Year
Questions
Is MegaCalcBox free?
Is Grid Calculator. free?
Do MegaCalcBox or Grid Calculator. have ads?
Which is updated more often, MegaCalcBox or Grid Calculator.?
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