# Calculator vs BIG CALCULATOR.

The clearest difference is review sentiment: BIG CALCULATOR. at 100% against Calculator's 38%. BIG CALCULATOR. also leads on rating (4.5 vs 3.0) and update cadence (weekly vs every 4 months). Calculator's advantage is ads (none vs shown) and ratings volume (9.8K vs 54). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

BIG CALCULATOR. holds the better App Store score, 4.5 against 3.0. That said, the two scores are not equally well evidenced: Calculator has 9.8K ratings behind it against 54, so its average is the more settled of the two. Written reviews point the same way: 38% of Calculator's written reviews are positive against 100% of BIG CALCULATOR.'s.

Calculator ships an update every 4 months, BIG CALCULATOR. weekly. The most recent releases landed on September 26, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Calculator | BIG CALCULATOR. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (9.8K ratings)](https://appshunter.io/ios/app/calculator/id1069511488/reviews) | **[4.5 (54 ratings)](https://appshunter.io/ios/app/big-calculator/id1114392920/reviews)** |
| Number of ratings | **9.8K** | 54 |
| Positive reviews | 37.7% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Weekly** |
| Monetization | **Free** | Ad-supported |
| Size | 17 MB | 13 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | +4 |
| Developer | [Apple](https://appshunter.io/developer/284417353) | [Adysseus](https://appshunter.io/developer/447444997) |

## What reviewers say

### Calculator

[App page](https://appshunter.io/ios/app/calculator/id1069511488)

This app offers both basic and scientific calculators for quick solutions to mathematical expressions. It also features a "Math Notes" function that allows users to type or write out equations and see them solved inline, with support for variables and graphing.

**Highlights:** Basic and scientific calculators, Type or write math expressions, Inline equation solving, Variable creation and use, Equation graphing, Unit and currency conversion, Calculation history

**Features:** Apple Watch app

**In-app purchases:** none

**What reviewers like**

- 👍 Basic calculator functionality
- 💡 Math notes feature
- 🚀 Clean, simple design

**What reviewers complain about**

- 🐛 Calculation errors
- 🔍 Lack of history/memory functions
- 🤔 Inconvenient to access advanced features
- 🤯 Frustrating to fix mistakes
- 🙄 Removed useful features in recent updates

**Reported bugs**

- Calculator disappearing from home screen
- Incorrect calculation results
- Inconsistent behavior with parentheses and scientific functions

**Requested features**

- Restore ability to repeat calculations with '='
- Add 'clear' button
- Show full calculation history
- Improve usability for advanced math
- Bring calculator to iPad


### BIG CALCULATOR.

[App page](https://appshunter.io/ios/app/big-calculator/id1114392920)

This utility app offers a straightforward and visually clear calculator experience, ideal for users of all ages. Its large numbers and dark interface enhance readability, while landscape mode support on iPhones and iPads provides added convenience.

**Highlights:** Large numbers for easy viewing, Simple and easy-to-see interface, Landscape mode support, Dark UI for eye comfort, Suitable for all ages

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Calculator free?

Calculator is free to download, with no in-app purchases.

### Is BIG CALCULATOR. free?

BIG CALCULATOR. is free to download, with no in-app purchases.

### Which has better reviews, Calculator or BIG CALCULATOR.?

BIG CALCULATOR. is rated higher. Calculator averages 3.0 out of 5 from 9.8K ratings, while BIG CALCULATOR. averages 4.5 from 54 ratings.

### Do Calculator or BIG CALCULATOR. have ads?

BIG CALCULATOR. shows ads; Calculator does not.

### Which is updated more often, Calculator or BIG CALCULATOR.?

Calculator ships an update every 4 months, and BIG CALCULATOR. weekly. Most recently, Calculator was updated on September 26, 2026 and BIG CALCULATOR. on September 21, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*