# Calculator· vs Big Button Calculator Pro Lite

The clearest difference is in-app purchases: Big Button Calculator Pro Lite at none against Calculator·'s 3. Calculator·'s advantage is rating (4.9 vs 4.7) and iOS requirement (12.0 vs 15.2). On price, review sentiment, ratings volume and update cadence there is nothing between them.

Both are free to download. Calculator· sells 3 in-app purchases, starting at $0.99 per month. Big Button Calculator Pro Lite asks for nothing beyond the download.

Calculator· holds the better App Store score, 4.9 against 4.7. Both are backed by a comparable volume of ratings — 34K and 14K respectively. Written reviews point the same way: 84% of Calculator·'s written reviews are positive against 83% of Big Button Calculator Pro Lite's.

Calculator· ships an update every 2 months, Big Button Calculator Pro Lite every 3 months. The most recent releases landed on September 24, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Calculator· | Big Button Calculator Pro Lite |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (34K ratings)](https://appshunter.io/ios/app/calculator/id554836784/reviews)** | [4.7 (14K ratings)](https://appshunter.io/ios/app/big-button-calculator-pro-lite/id1131056808/reviews) |
| Number of ratings | **34K** | 14K |
| Positive reviews | **84.4% of reviews** | 83.1% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 40 MB | 45 MB |
| Requires iOS | **12.0** | 15.2 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tim O's Studios, LLC](https://appshunter.io/developer/412839685) | [Cider Software LLC](https://appshunter.io/developer/465180756) |

## What reviewers say

### Calculator·

[App page](https://appshunter.io/ios/app/calculator/id554836784)

This app offers a straightforward calculation experience, focusing on essential functions without unnecessary complexity. It includes basic arithmetic, percentage calculations, and advanced functions like square root. Users can customize the appearance with multiple color schemes and utilize features like result copying and split-screen multitasking on iPad.

**Highlights:** Basic arithmetic operations, Percentage calculations, Multiple color schemes, Copy results, Square, square root, inverse functions, iPad Split View support, Apple Watch support

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade App | $0.99 | per month |
| Upgrade App | $4.99 | per year |
| Upgrade App | $1.99 | one-time |

**What reviewers like**

- 👍 Simple and easy to use
- 🚀 Quick and responsive
- 💡 Percentage function works well
- 👍 Large, clear buttons
- 👍 Straightforward, no-frills design

**What reviewers complain about**

- 🔋 Frequent ads can be distracting
- 🐛 Occasional crashes or freezes
- 🔒 Lack of customization options
- 💡 No backspace/undo function
- 💡 Missing advanced features like memory

**Reported bugs**

- Crashes when performing long calculations
- Freezes when opening the app
- Incorrect results for some complex calculations

**Requested features**

- Add a backspace/undo button
- Implement a history/memory feature
- Provide more customization options
- Reduce frequency of ads


### Big Button Calculator Pro Lite

[App page](https://appshunter.io/ios/app/big-button-calculator-pro-lite/id1131056808)

A user-friendly calculator app featuring large buttons and customizable colorful backgrounds. It offers a dual-line display, multi-line input for complex equations, and convenient gesture controls for editing and copying.

**Highlights:** Large buttons, Dual-line display, 18 color themes, Multi-line input, Gesture controls, VoiceOver accessibility

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 💡 Customizable backgrounds
- 🚀 Accurate calculations
- 👍 Large, clear numbers
- 👍 Helpful for homeschooling

**What reviewers complain about**

- 🐛 Ads can be intrusive
- 🐛 Ads in foreign languages
- 🐛 Ads take time to close
- 🔋 High battery consumption due to ads

**Reported bugs**

- Occasionally shows answer before calculation is complete
- Rounding issues leading to inaccurate results

**Requested features**

- Add more background options
- Allow custom background uploads
- Add option to change button colors
- Improve ad experience or offer ad-free version


## Frequently asked questions

### Is Calculator· free?

Calculator· is free to download, with in-app purchases available.

### Is Big Button Calculator Pro Lite free?

Big Button Calculator Pro Lite is free to download, with no in-app purchases.

### Which has better reviews, Calculator· or Big Button Calculator Pro Lite?

Calculator· is rated higher. Calculator· averages 4.9 out of 5 from 34K ratings, while Big Button Calculator Pro Lite averages 4.7 from 14K ratings.

### Do Calculator· or Big Button Calculator Pro Lite have ads?

Both Calculator· and Big Button Calculator Pro Lite show ads.

### Which is updated more often, Calculator· or Big Button Calculator Pro Lite?

Calculator· ships an update every 2 months, and Big Button Calculator Pro Lite every 3 months. Most recently, Calculator· was updated on September 24, 2026 and Big Button Calculator Pro Lite on September 23, 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.*