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Updated July 2026 · real, multi-region App Store reviews
Head-to-head

Calculator for iPad! vs Calculator

Calculator for iPad! 4.7★ · Free + IAP · ⚠ stale 65
Winner Calculator for iPad!
Calculator 4.5★ · Free + IAP 60

Calculator for iPad! (App A) is slightly better for users who prioritize a clean interface and specific features like split-screen, but both apps are heavily criticized for intrusive ads in their free versions.

Full reviews: Calculator for iPad! · Calculator

Both Calculator for iPad! (App A) and Calculator (App B) offer basic and scientific calculator functions, but both are plagued by frequent and intrusive ads in their free tiers. App A has a slight edge in features like split-screen support and memory functions, but its ads are equally disruptive.

Head to head

Features edge: Calculator for iPad!R2R3R5R6
Calculator for iPad! Users appreciate App A's basic and scientific calculator modes, memory functions, and the ability to see calculation history and notes R2R5R9. However, some find the scientific mode confusing or not robust enough for advanced algebra, and others note missing unit converters R3R25R31. Split-screen functionality is a draw, but some users report issues with resizing and missing keys in this mode R6R21R40R54.
Calculator App B provides basic calculator functions and allows users to change themes and backgrounds, with many appreciating the visual customization . Some users find it helpful for school and general math . However, a significant drawback is the lack of a backspace button and the inability to handle percentages, which limits its utility for some .
Ease of Use tieR6R8R24R38
Calculator for iPad! App A is described as simple and easy to use by some R8R38. However, some users report issues with button detection, requiring multiple presses R6. Others find the interface too 'fancy' or cluttered, especially with the recent addition of many functions R24.
Calculator App B is generally considered easy to use for basic calculations . However, some users find it confusing to start a new problem or navigate certain functions . The small button size is also a complaint for some .
Reliability tieR6R11R31R60
Calculator for iPad! App A generally 'works as expected' for some users R11. However, there are reports of the app being slow to open on older devices R60. More critically, some users experience button detection failures and issues with exponential notation R6R31.
Calculator App B is described as helpful and fast by some . However, some users report it being laggy .
Price/Value tieR1R4R9R10
Calculator for iPad! Both apps are free with in-app purchases, and this is the most contentious point. App A's free version is heavily criticized for an overwhelming number of ads, including ad bars that cover keys and pop-ups that make the app unusable R1R4R9R10. Users feel forced to pay to remove ads, but some find the pricing unclear or too high R12R24R51.
Calculator App B also faces severe criticism for its ad-heavy free version, with users reporting ads popping up constantly, after every click, or even covering functions . Some users mention deceptive or scam ads . While themes are free, the ads significantly diminish the value of the free tier.
Support tieR12R24R51
Calculator for iPad! There is no direct feedback on support, but users express frustration over the ad implementation and the difficulty in understanding IAP options, suggesting a lack of clear communication or responsiveness from the developer R12R24R51.
Calculator There is no direct feedback on support for App B.
Pick Calculator for iPad! if

Pick Calculator for iPad! (App A) if you need specific features like memory functions, calculation history, or split-screen support, and are willing to pay for the ad-free version R5R9.

Pick Calculator if

Pick Calculator (App B) if you prioritize visual customization with themes and backgrounds, and only need a very basic calculator for simple tasks, provided you are prepared for frequent ads .

Evidence note: The evidence for both apps is heavily skewed towards negative feedback regarding ads, which is common for free apps with IAP. Positive reviews often praise basic functionality or the absence of ads (which contradicts many other reviews), suggesting inconsistency in ad delivery or user experience.

Frequently asked

Are these calculator apps truly free?
Both Calculator for iPad! (App A) and Calculator (App B) are free to download, but their free versions are severely hampered by numerous and intrusive ads that many users find make the apps unusable R4R10R19R28.
Do these apps offer scientific calculator functions?
Yes, Calculator for iPad! (App A) explicitly states it offers both basic and scientific calculator modes R2, though some users find its scientific mode confusing or lacking for advanced functions R3R25R31. Calculator (App B) also implies scientific capabilities with mentions of 'E is a number' and helping with 'math problems' .
Can I use these apps in split-screen mode on an iPad?
Calculator for iPad! (App A) supports split-screen, which some users appreciate, but others report issues with the calculator not resizing correctly and keys becoming obscured or unusable in this mode R6R21R40R54.

What reviewers actually said

Built only from these 120 real reviews (foreign ones translated). Superscripts jump to the quote here. Apple has no per-review links, so [ref] opens that app's reviews on the App Store.

  1. [R2] Calculator for iPad! 5/5 · US Calculator for ipad: Basic & scientific calculator
  2. [R3] Calculator for iPad! 3/5 · US It's okay. I just don't understand this scientific mode jkb. · translated
  3. [R5] Calculator for iPad! 5/5 · US I’m so glad it has the m functions: Great
  4. [R6] Calculator for iPad! 3/5 · US If you like hitting buttons again and again: This calculator I used for awhile just because split screen worked with this app. However, I noticed I’m consistently hitting buttons over and over because it failed to detect. Found a better calculator app. Won’t be needing this no longer.
  5. [R8] Calculator for iPad! 5/5 · US Simple: Simple and easy to use. Thank you.
  6. [R24] Calculator for iPad! 3/5 · US Interface is too fancy.: I don’t know why am having such a difficult time finding a straightforward scientific-style calculator for which I can eliminate advertising for a moderate, flat fee without having to subscribe.
  7. [R38] Calculator for iPad! 5/5 · US Cool app: Super useful and very helpful and easy to use five stars
  8. [R11] Calculator for iPad! 4/5 · US Works: Works as expected
  9. [R31] Calculator for iPad! 1/5 · US The exponential notation is terrible faulty. It doesn’t work.: The exponential notation is terrible faulty. It doesn’t work.
  10. [R60] Calculator for iPad! 3/5 · GB Slow to open on an old iPad mini: I still don't understand why we can't use the iPhone calc on an iPad. This is an OK alternative but if, like me, you usually open a calculator app repeating a couple of numbers in your head trying to remember them, it is very irritating waiting for the app to open - which can be very slow. I guess it's waiting for the ads to load which is what keeps it free I supp
  11. [R1] Calculator for iPad! 1/5 · US ADS: STOP ADS
  12. [R4] Calculator for iPad! 2/5 · US Unusable with ad bar: I have been using this calculator for several years, and it was my favorite. However, recently there has been an ad bar across the bottom row of keys, and I can no longer use this calculator. I tried uninstalling it and re-installing it. At first the bar was gone, but the next time I went to use it, the ad bar was back, making it useless.
  13. [R9] Calculator for iPad! 3/5 · US Calculadora gratis con ads: Pierde mucho espacio en pantalla que partía aprovechar y además deja una franja grande en la zona inferior para las ads Tiene un buen historial de cálculos realizados y unas notas que no puedes usar sino paga….. por lo demás es una calculadora
  14. [R10] Calculator for iPad! 1/5 · US Google Ads Turn Calculator Into Crapulator: It was fine until the google ads started getting slapped up over the keypad. But even if you delete the ad you’re left with a large box obscuring the keypad. It proudly says the ad was removed by google. Idiots!
  15. [R12] Calculator for iPad! 3/5 · US WHY IS EVERY THING UPGRADED PAID: Like I get it but why every thing. I rlly wanted a pink background and marble so just let me watch I dmn ad or smth
  16. [R51] Calculator for iPad! 3/5 · GB Can’t get paid version!: Don’t know how to get the paid version. Why can’t we just pay the cash and have it unlocked? Convoluted procedure involving iTunes but then no sign of it there.Also should mention the cost of the paid version.. Are they making any money from it?
  17. [R19] Calculator for iPad! 1/5 · US Commercial forces purchase: The app is unusable. Commercial blocks the return key.
  18. [R28] Calculator for iPad! 1/5 · US Ads… not free: Not ad free… annoying and obnoxious ads.
  19. [R25] Calculator for iPad! 1/5 · US Not helpful for my math: Scientific calculator not scientific enough for algebra I can’t input negatives
  20. [R21] Calculator for iPad! 3/5 · US Deficient: When using split view on ipad the calculator doesn’t resize and you can’t see half of the keys on the calculator keypad
  21. [R40] Calculator for iPad! 1/5 · US No rescaling: On ipad pro when the window is reduced, the buttons do not scale, therefore the calculator becomes unusable
  22. [R54] Calculator for iPad! 3/5 · GB Missing functionality in split screen mode: This calculator is by far better to use than any other on the App Store. I would love to give it 5 stars but when it is in split screen mode, I can’t see any way to square a number, or use any other exponents. This is essential to me as I need to do calculations while simultaneously writing the result on my iPad. I would love if this feature could be add

Synthesized from 120 recent App Store reviews · updated July 2026 · View on the App Store