iBigCalc vs eCalc
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
iBigCalc
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Elevate your daily calculations with the Simple and Smart Calculator. Designed for those who value efficiency and clarity, our app provides a seamless experience for all your mathematical needs. Whether youβre a student, professional, or just need to split a bill, our intuitive interface ensures you get accurate results instantly without any unnecessary clutter. Key Features: + Clean UI: A minimalist design that stays out of your way. + Smart History: Easily track and reuse your previous calculations. + Precision & Speed: Fast processing for both basic and complex math. Simple to use, smart in performance. Download now and make math effortless!
eCalc
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eCalc Easy Calculator is your everyday math and conversion toolkit. Why switch between multiple apps when you can have everything in one clean, fast, and distraction-free workspace? UNINTERRUPTED & AD-FREE Enjoy a premium experience with absolutely zero ads and no subscriptions. Every tool is fully accessible right out of the box. KEY FEATURES Smart Calculator β’ Fast everyday math with a sleek, large-button keypad. β’ Advanced scientific functions when you need them. β’ Calculation history so you can revisit and reuse recent results. Light & Dark Theme β’ Switch between Light, Dark, or follow your system setting. β’ A true black dark mode thatβs easy on the eyes at night. Currency Converter β’ Real-time exchange rates for travel, shopping, and business. β’ Reliable offline fallback so you can convert anywhere. Unit Converter β’ Convert length, weight, temperature, volume, area, speed, data, and time. β’ Searchable unit picker β find any unit in seconds, even in long lists. β’ Local & regional units used every day: Chinese, Taiwan, and Hong Kong jin/catty and tael; Korean geun; Japanese kin; Vietnamese lαΊ‘ng; ping/pyeong/tsubo for property; Chinese mu; Thai rai; cooking cups, spoons, and pints. β’ The right regional default when you first open a converter β no hunting for ζ€ or εͺ. Tip & Bill Splitter β’ Dining out? Instantly calculate tips and split the bill among friends. Discount Calculator β’ See the final price after discounts and taxes before you check out. Loan Estimator β’ Estimate your payment schedule, interest, and total loan cost. β’ For general reference only β not professional financial advice. Date Calculator β’ Find the duration between two dates, or add/subtract days for events and deadlines. WHY CHOOSE THIS APP? β’ Distraction-Free: No pop-ups, no ads β just seamless productivity. β’ Minimalist & Intuitive: Clutter-free design built for speed. β’ Works Where You Are: Local units and currencies for Asia, Europe, and beyond. β’ Privacy First: This app does not track you or collect personal data. Simplify your daily tasks. Download Calculator: Fast & Accurate today!
Screenshots
Verdict
The clearest difference is ads: eCalc at none against iBigCalc's shown. eCalc also leads on update cadence (every 2 days vs every 3 weeks). 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.
iBigCalc ships an update every 3 weeks, eCalc every 2 days. The most recent releases landed on October 16, 2026 and October 19, 2026 respectively.
| Parameter | iBigCalc | eCalc |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks | Every 2 days β better |
| Ads | Yes | No β better |
| In-app purchases | No | No |
| Devices | iPhone, iPad β better | iPhone |
| Requires iOS | 17 β better | 17.6 |
| Further details β not scored | ||
| Size | 5 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Manh Phi Nguyen | Quynh Dinh Huu |
In-app purchases
iBigCalc
No in-app purchases
eCalc
No in-app purchases









