Calculator

Google LLC
FREE iOS Android Everyone
3.7 ★
Rating
1B+
Downloads
Free
Price
2.2
Version
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Reviewed on March 31, 2026  · Updated April 29, 2026
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Screenshots

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About Calculator

I downloaded this app about two weeks ago when I was setting up a new budget spreadsheet for a freelance project. My iPhone’s built-in calculator felt too basic, and I needed something that could handle percentages and maybe a bit more without costing me anything. I figured Google’s app would be reliable and, most importantly, free to try with no strings attached. I’ve been using it for everything from calculating client invoices to figuring out the tip at a diner last Tuesday. It sits on my home screen and gets opened multiple times a day, so I’ve had a good chance to really test it out.

Features & Highlights

For a free app, it packs in what you actually need. The basic calculator is clean, and flipping your phone sideways to get the scientific functions is a smart trick. I used that for some compound interest formulas for my project and it had all the buttons I needed. The history feature is the real hero, though. I was working late on Sunday night and kept messing up a long string of additions for my expense report. Being able to scroll up and see exactly where I typed a ‘5’ instead of a ‘3’ saved me from having to start over from zero. There’s also a unit converter built in, which came in handy when I was comparing prices for materials online that were listed in different measurements.

User Experience

It’s fast and simple. Tapping the buttons feels responsive, and the layout makes sense. I don’t have to think about how to use it, which is exactly what you want from a calculator. The switch to scientific mode is smooth—just turn the phone and it’s ready. My only gripe here is that on my iPhone 14, the app doesn’t quite feel native. The animations are a tiny bit off compared to other iOS apps, like it’s a very well-made guest. It’s not a dealbreaker, but you notice it.

Pricing

This is the best part, and why I’m still using it. It’s completely free. No ads popping up, no “pro” features locked behind a paywall, no subscription begging. You get the basic calculator, the scientific mode, and the converter right away. As someone who refuses to pay for an app before I know it’s essential, this was perfect. It delivered enough value that I’d consider it a permanent tool, all for the price of a download.

Updates & Support

This is where my experience fell flat. I ran into a weird glitch where the app wouldn’t stay in landscape mode for the scientific calculator. I tried contacting support through the app store listing. The response took three days and was a generic link to a community forum page that didn’t address my specific issue. It felt like shouting into a void. I eventually fixed it by restarting my phone, but the complete lack of helpful support was frustrating. For a big company like Google, I expected better, even for a free app. It makes me wonder what would happen with a more serious bug.

Security & Privacy

It’s a calculator from Google, so I’m not overly worried about viruses. I got it from the official App Store. The app’s privacy label says it doesn’t collect data linked to you, which is a big relief. My calculations for my project budget and personal finances stay on my device. I wouldn’t use it for entering super sensitive information like passwords, but for everyday math, it feels safe enough.

Frequently asked questions
Does Google Calculator have a history feature?

Yes, it does. You can scroll up to see your previous calculations, which is really handy for catching mistakes like typing a '5' instead of a '3' in a long string of additions.

How do I access scientific functions in this app?

Just flip your phone sideways into landscape mode, and the basic calculator switches over to a scientific calculator with all the buttons you need for things like compound interest formulas.

What should I do if the app feels a bit laggy or animations seem off on my iPhone?

This is a known quirk on iPhones—the app is very functional but doesn't feel fully native. Try closing and reopening the app; if it still bothers you, you can always use the built-in iOS calculator for a smoother experience.

Are there any hidden costs or ads in Google Calculator?

No, it's completely free with no ads and no 'pro' version to upsell you. That's one of the main reasons people stick with it for everyday calculations like invoices and tips.

How does Google Calculator compare to the iPhone's built-in calculator?

Google Calculator offers more features like a history log and a unit converter, while the iPhone's calculator is simpler and feels more native on iOS. If you need advanced functions or a record of your work, Google's app is a better free choice.

✓  Pros
✓ Completely free with no ads or hidden payments.
✓ History tape is a lifesaver for correcting mistakes.
✓ Rotating to scientific mode adds powerful features.
✓ Simple, clean design that's easy to use quickly.
✗  Cons
✗ Support is practically non-existent and unhelpful.
✗ Feels slightly "off" on iOS compared to native apps.
✗ No way to save favorite calculations or constants.
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App information
DeveloperGoogle LLC
Version2.2
Downloads1B+
PriceFree
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