Comparison

Scientific Calculator * vs 1000digit Calc

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

Head to head
About

Scientific Calculator *

This app offers a comprehensive suite of calculation tools, including basic and advanced math functions, unit conversions, and financial calculators. It also features a history log for easy access to past calculations and allows for customization of themes.

Highlights
  • Basic and complex calculations
  • Unit and currency converter
  • Financial calculators (loan, discount)
  • Calculation history log
  • Customizable themes
  • Fraction and trigonometric functions
Features
Read full description

The Calculator app is an extremely useful math problem solving app. With full features like a pocket calculator, not only helps you calculate from basic to complex quickly and accurately but also there are many other practical features: unit converter, currency exchange rate. Super Calculator +, fast and accurate calculation app Free calculator app is a tool that not only accurately calculates basic problems, but also quickly handles complex math with calculator keys such as fractions, square root operations, etc. Calculator + easily save a history of all calculations performed and you can copy results, duplicate equations or share problems with friends with just a few simple taps. Features of free Calculator: - Basic calculations from addition, subtraction, multiplication, and division with negative numbers, decimals and percentages - Free calculator: Choice of portrait or landscape keyboard - Calculator with fraction, fraction calculator, mixed numbers. Easy to use and accurate fraction calculator. - Free Calculator + allows edit calculations during input. - Calculator + save history of performed math operations. - Select units of calculation in trigonometric functions: degrees and radians - Faster calculation with mnemonic function keys: MC, M+, M-, MR - Instantly display temporary results without pressing the “=” - Option to display results with number of decimal places - Calculator + allows copying, sharing equations and results of operations. - Freedom to design and create your own unique theme Unit Converter Currency, length, weight, width, size, time, speed, pressure, temperature, fuel efficiency, tax... - Currency Converter: Supports 135 currencies in the world, including dollar, euro, yuan, yen, SGD ... - Percentage Calculator - Discount Calculator: Get a discount price by entering the original price and the discount rate. - Loan Calculator: Calculate the total interest, total payments by entering the loan principal and interest rate. - Date Converter, Date difference: Calculates the specific date or anniversary to be remembered! - Health Calculator: Measure the body mass index (BMI), the basal metabolic rate (BMR). - Automobile Fuel Cost: Calculate the fuel costs required for driving a car or traveling. - GPA Calculator: Calculate your GPA! - Tip Converter - Sales Tax Calculator - Unit Price Calculator - World Time Converter: Transforms the time of 400+ or more cities around the world. - Ovulation Calculator: Calculate the time of ovulation, fertility using the menstrual cycle! - Hexadecimal Converter: Converts between decimal and hexadecimal with ease and convenience. - Savings Calculator: If you enter deposit amount, interest rate, time period, the interest after tax, final savings balance will be calculated. Calculator + is optimally designed, so it takes up very little memory, saves device battery life when using the app, but has extremely powerful functions that will be an effective solution if you are not convenient to carry casio handheld computers. We are sure you will be satisfied with those wonderful utilities, free Calculator, unit converter, currency converter and a unique theme store to your liking will bring to you most enjoyable experience. Send feedback to our email if you have any problems or other feature suggestions for Calculator.

About

1000digit Calc

Perform arithmetic operations on integers up to 1,000 digits. Supports parentheses for complex calculations and automatically saves results to the clipboard for easy reuse in other applications.

Highlights
  • 1,000-digit integer calculations
  • Parentheses support for formula order
  • Automatic clipboard saving of results
  • Four basic arithmetic operations
  • Cross-application result reuse
Features
Read full description

This is a calculator that can perform four arithmetic operations on integers up to about 1,000 digits. You can use parentheses in formulas, so you can calculate in the same order as in the formula. Calculation results are saved to the clipboard each time, so they can be reused in other applications.

Screenshots

Scientific Calculator *4 screens
1000digit Calc2 screens

Verdict

The call

The clearest difference is in-app purchases: 1000digit Calc at none against Scientific Calculator *'s 1. 1000digit Calc also leads on ads (none vs shown) and rating (5.0 vs 4.6). Scientific Calculator *'s advantage is ratings volume (12 vs 1) and iOS requirement (12.0 vs 15.0). On price, update cadence 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

Both are free to download. Scientific Calculator * sells 1 one-off in-app purchase. 1000digit Calc asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

1000digit Calc holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Scientific Calculator * has 12 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Scientific Calculator * ships an update every 2 weeks, 1000digit Calc weekly. Both last shipped on November 3, 2026.

Scorecard6 real differences · 4 level
Scientific Calculator * versus 1000digit Calc: the parameters behind the verdict, then further details
ParameterScientific Calculator *1000digit Calc
PriceFreeFree
Rating4.6 (12 ratings)5.0 (1 ratings) — better
Positive reviews75.0% of reviews—
Number of ratings12 — better1
Update frequencyEvery 2 weeksWeekly — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better15.0
Further details — not scored
Size86 MB5 MB
Age rating4+4+
DeveloperTOWER OF HANOI SOFTWARE COMPANY LIMITEDYukihiro Shioya

In-app purchases

1 purchases

Scientific Calculator *

One-time1
  • Remove Ad$4.99
None

1000digit Calc

No in-app purchases

Questions

Is Scientific Calculator * free?
Scientific Calculator * is free to download, with in-app purchases available.
Is 1000digit Calc free?
1000digit Calc is free to download, with no in-app purchases.
Which has better reviews, Scientific Calculator * or 1000digit Calc?
1000digit Calc is rated higher. Scientific Calculator * averages 4.6 out of 5 from 12 ratings, while 1000digit Calc averages 5.0 from 1 ratings.
Do Scientific Calculator * or 1000digit Calc have ads?
Scientific Calculator * shows ads; 1000digit Calc does not.
Which is updated more often, Scientific Calculator * or 1000digit Calc?
Scientific Calculator * ships an update every 2 weeks, and 1000digit Calc weekly. Most recently, Scientific Calculator * was updated on November 3, 2026 and 1000digit Calc on November 3, 2026.

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