Comparison

uCalculator vs Calculator

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

uCalculator

Features
Read full description

The most powerful, beautiful & high precision Programmer, Scientific and Standard calculator on the mobile/Pad platform. The programmer mode calculator support binary(BIN), octal(OCT), decimal(DEC) and hexadecimal(HEX), precise to 64 digits. The scientific mode calculator support most scientific calculation formula, precise to 32 digits. The standard mode calculator is simple, elegant and practical, precise to 16 digits. Automatic quick switch different calculator modes while device orientation changed if auto rotation enabled. You can also force to switch to any calculator mode by long touch the top-left 'u' button or long press the keyboard key 'u' then select the desire calculator mode.

About

Calculator

This portable computing assistant offers both basic and scientific calculations with a clean interface. It features a history log, currency and unit conversion, and a unique photo-based problem solver. Enjoy an ad-free experience for all your calculation needs.

Highlights
  • Basic and scientific calculations
  • Calculation history log
  • Currency and unit conversion
  • Photo math problem solver
  • Ad-free experience
Features
Read full description

Simple and efficient, your portable computing assistant A smart calculator designed specifically for iOS users that combines basic calculations with practical functions. The interface is simple and intuitive, and the operation is smooth and seamless. Whether it's daily shopping calculations, work data calculations, or student homework calculations, it can easily handle them, making calculations more efficient and convenient! Core Features Highlights *Accurate and fast basic calculations: supports basic operations such as addition, subtraction, multiplication, division, percentages, decimal points, etc., with fast input response and accurate calculation results, meeting various daily basic calculation needs. *Expanded support for scientific computing: Built in trigonometric functions (sin/cos/tan), logarithms (log/ln), square roots, power operations and other scientific computing functions, suitable for complex computing scenarios in student learning and professional work. *Clear History Record: Automatically saves the calculation process and results, making the history record clear at a glance. Supports one click clearing, making it easy to trace back the calculation steps and avoiding duplicate input. *Ad free and pure experience: No pop-up ads or push interference throughout the entire process, focusing on computing functions, bringing you a refreshing user experience. *Exchange rate conversion: Provide the latest exchange rates and real-time currency conversion. *Unit Conversion: Multiple unit conversions for length, area, and volume. *Photo Q&A: When encountering a problem that you don't know, you can get the answer by taking a photo and analyze and solve the difficult problem. 1. Payment: The user deducts the payment through their iTunes account and makes the payment upon confirmation of the purchase 2. Renewal: The user's iTunes account will be charged within 24 hours before expiration, increasing the corresponding subscription period 3. Cancel Renewal: To cancel the renewal, go to "iTunes Store and App Store" ->click on "App ID", enter the "Account Settings" page, click on "Subscription", and select "Cancel Subscription" 4.Privacy Policy: https://docs.google.com/document/d/1ghPoJCDEIL-ulLKKRGZnAT3ElLHnrByBVNcNk1-4KZw/edit?usp=sharing 5. Terms of Use: https://docs.google.com/document/d/1T0xcbyYZdcv3c67krI91k-GHwHbOz6oPvm3Aje8LNXo/edit?usp=sharing

Screenshots

uCalculator4 screens
Calculator4 screens

Verdict

The call

The clearest difference is price: Calculator at Free against uCalculator's $4.99. Calculator also leads on update cadence (monthly vs every 13 months). uCalculator's advantage is in-app purchases (none vs 3) and iOS requirement (9.0 vs 14.0). 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

CostPrice · In-app purchases · Ads · Monetization

Calculator is free to download; uCalculator costs $4.99 up front. Calculator sells 3 in-app purchases, starting at $6.00 per 7 days. uCalculator asks for nothing beyond the download.

UpkeepUpdate frequency

uCalculator ships an update every 13 months, Calculator monthly. The most recent releases landed on October 17, 2026 and October 5, 2026 respectively.

Scorecard4 real differences · 5 level
uCalculator versus Calculator: the parameters behind the verdict, then further details
ParameteruCalculatorCalculator
Price$4.99Free — better
Rating—5.0 (3 ratings) — better
Number of ratings—3 — better
Update frequencyEvery 13 monthsMonthly — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS9.0 — better14.0
Further details — not scored
Size1 MB48 MB
Age rating4+9+
Developer伟锋 阮欣博 周

In-app purchases

None

uCalculator

No in-app purchases

3 purchases

Calculator

Subscriptions1
  • Weekly Member3 Days trial$6.007 Days
One-time2
  • Monthly Membership$12.00
  • annual membership$28.00

Questions

Is uCalculator free?
uCalculator costs $4.99, with no in-app purchases.
Is Calculator free?
Calculator is free to download, with in-app purchases available.
Do uCalculator or Calculator have ads?
Neither uCalculator nor Calculator shows ads.
Which is updated more often, uCalculator or Calculator?
uCalculator ships an update every 13 months, and Calculator monthly. Most recently, uCalculator was updated on October 17, 2026 and Calculator on October 5, 2026.

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