Comparison

Math is Easy vs Big Number Calculator+

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

Head to head
About

Math is Easy

This app helps users understand prime factorization with a fast, real-time solver. It also calculates the Greatest Common Factor and Least Common Multiple, and can generate random numbers for various uses.

Highlights
  • Prime factorization solver
  • Greatest Common Factor (GCF) calculation
  • Least Common Multiple (LCM) calculation
  • Random number generator
  • Real-time results as you type
Features
Read full description

Math is Easy - Change Math into Fun , now add Equation Solver function! Prime Factorisation is the best tool to find prime factors of any number . It's super fast , you can get result while typing ! Additional functions : 1. Can calculate The Greatest Common Factor . 2. Can calculate The Least Common Multiple . 3. Can generate Random numbers , it can be used for bet , password generator , and decision maker .

About

Big Number Calculator+

Perform calculations with extremely large numbers, up to 66,000 digits. Supports addition, subtraction, multiplication, and division, with options for different calculation engines and data input methods. Results can be saved and printed in formatted text files.

Highlights
  • Handles up to 66,000 digits
  • Addition, subtraction, multiplication, division
  • Selectable calculation engines (Swift, Objective-C)
  • Load data from files (txt, rtf, rtfd)
  • Automatic data formatting for printing and saving
  • Customizable number separators
Features
Read full description

“Big Number Calculator+” is an application that can calculate very large numbers. The format that can be used is decimal (integer). The calculation functions that can be used are addition, subtraction, multiplication, and division. The number of digits is limited to 66000 digits. Only plus signs can be used. Minus signs cannot be used. The calculation engine used in the calculation can be selected from “Swift” and “Objective-C”. You can also view the source code of the calculation engine. Please use at your own risk. Only numerical values ​​(1,2,3,4,5,6,7,8,9,0) are extracted from the input data. You can optionally enter non-numeric characters. It can be used as a delimiter. It can be load from a file in addition to direct input. Input data and calculation results are automatically formatted for printing and saving. The save file is saved in text format (.txt). "Big Number Calculator" for macOS is also available. Main Specifications • iOS 13 and iPadOS 13 or later Main functions Maximum number of digits of input data • 66000 digits Calculation function • Addition, subtraction, multiplication, division The algorithm uses the "brush calculation method". The division is displayed as “quotient and remainder". Calculation engine • “Swift” and “Objective-C” can be selected. Numeric format • Decimal number (integer) Only the plus sign can be used as the sign. Minus signs cannot be used. Numerical input • Only numerical values ​​(1,2,3,4,5,6,7,8,9,0) are extracted. • Characters other than numerical values ​​can be entered in the option settings. Can be used as a delimiter. Load from file • The file types that can be load are "txt, rtf, rtfd". Data replacement and registration • Input data and calculation results can be replaced by dragging and dropping. It can also be registered in the register. Separation • Separate with the selected delimiter (comma and space). • Separate by the selected number of separation digits (3, 6, 10, 16, 24). Any number of separation digits can be entered. Printing • Input data and calculation results are automatically formatted. Save • Input data and calculation results are automatically formatted. • The file format is text (.txt) format. Source code • The source code of the calculation engine can be displayed. Please use at your own risk.

Screenshots

Math is Easy1 screens
Big Number Calculator+4 screens

Verdict

The call

Math is Easy and Big Number Calculator+ both sit at 3.5 stars, but that hides the real split: 91% of Math is Easy's written reviews are positive against 0% of Big Number Calculator+'s. Math is Easy also leads on update cadence (every 2 months vs every 4 months) and iOS requirement (7.0 vs 15.0). On price, rating, ratings volume and ads 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Big Number Calculator+ holds the better App Store score, 3.7 against 3.5. Both are backed by a comparable volume of ratings — 2 and 3 respectively. Written reviews complicate that: 91% of Math is Easy's written reviews are positive against 0% of Big Number Calculator+'s, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Math is Easy ships an update every 2 months, Big Number Calculator+ every 4 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

Scorecard3 real differences · 7 level
Math is Easy versus Big Number Calculator+: the parameters behind the verdict, then further details
ParameterMath is EasyBig Number Calculator+
PriceFreeFree
Rating3.5 (2 ratings)3.7 (3 ratings) — better
Positive reviews90.9% of reviews — better0.0% of reviews
Number of ratings23 — better
Update frequencyEvery 2 months — betterEvery 4 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS7.0 — better15.0
Further details — not scored
Size6 MB19 MB
Age rating4+4+
DeveloperXiaodong ZhuKunio Takeuchi

Customer experience

Math is Easy

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews11 reviews
Positive90.9%
Neutral0.0%
Negative9.1%

Big Number Calculator+

All ratings3 ratings
Positive33.3%
Neutral66.7%
Negative0.0%
Written reviews2 reviews
Positive0.0%
Neutral100.0%
Negative0.0%

In-app purchases

None

Math is Easy

No in-app purchases

None

Big Number Calculator+

No in-app purchases

Questions

Is Math is Easy free?
Math is Easy is free to download, with no in-app purchases.
Is Big Number Calculator+ free?
Big Number Calculator+ is free to download, with no in-app purchases.
Which has better reviews, Math is Easy or Big Number Calculator+?
Big Number Calculator+ is rated higher. Math is Easy averages 3.5 out of 5 from 2 ratings, while Big Number Calculator+ averages 3.7 from 3 ratings.
Do Math is Easy or Big Number Calculator+ have ads?
Neither Math is Easy nor Big Number Calculator+ shows ads.
Which is updated more often, Math is Easy or Big Number Calculator+?
Math is Easy ships an update every 2 months, and Big Number Calculator+ every 4 months. Most recently, Math is Easy was updated on October 23, 2026 and Big Number Calculator+ on October 24, 2026.

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