# Big Button Calculator Pro Lite vs Simple Calculator.

Big Button Calculator Pro Lite and Simple Calculator. both sit at 4.7 stars, but that hides the real split: 83% of Big Button Calculator Pro Lite's written reviews are positive against 65% of Simple Calculator.'s. Big Button Calculator Pro Lite also leads on ratings volume (14K vs 1.6K). On price, rating, update cadence and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.7 for Big Button Calculator Pro Lite against 4.6 for Simple Calculator.. That said, the two scores are not equally well evidenced: Big Button Calculator Pro Lite has 14K ratings behind it against 1.6K, so its average is the more settled of the two. Written reviews are what separate them: 83% of Big Button Calculator Pro Lite's written reviews are positive against 65% of Simple Calculator.'s.

Both ship on a similar rhythm, roughly every 3 months. Both last shipped on October 18, 2026.

## The numbers

| Metric | Big Button Calculator Pro Lite | Simple Calculator. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (14K ratings)](https://appshunter.io/ios/app/big-button-calculator-pro-lite/id1131056808/reviews)** | [4.6 (1.6K ratings)](https://appshunter.io/ios/app/simple-calculator/id1324926551/reviews) |
| Number of ratings | **14K** | 1.6K |
| Positive reviews | **82.7% of reviews** | 65.1% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Ad-supported | Ad-supported |
| Size | 45 MB | 5 MB |
| Requires iOS | **15.2** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Cider Software LLC](https://appshunter.io/developer/465180756) | [tasser gyati](https://appshunter.io/developer/1324926550) |

## What reviewers say

### 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


### Simple Calculator.

[App page](https://appshunter.io/ios/app/simple-calculator/id1324926551)

A straightforward calculator designed for speed and accuracy, mimicking classic pocket calculators. It offers real-world logic, business-focused calculations like cost, sell, and margin, and a clean interface for effortless use.

**Highlights:** Real-world logic, no forced order of operations, Running total display, Cost, sell, margin calculations, Add/subtract percentages in one step, Clean, intuitive interface with large buttons, Minimal, non-intrusive ads

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

**In-app purchases:** none

**What reviewers like**

- 👍 Simple and easy to use
- 💡 Supports percentage calculations
- 🚀 Fast and responsive
- 🔒 No security issues reported

**What reviewers complain about**

- 🐛 Occasional display issues with underline artifacts
- 📢 Intrusive ads in free version
- 💰 Paid version not clearly advertised

**Reported bugs**

- Incorrect calculation results in some cases
- Ads appearing during critical usage scenarios

**Requested features**

- Add a dedicated 'C' clear button
- Provide more customization options for key layout
- Implement a history/memory function


## Frequently asked questions

### Is Big Button Calculator Pro Lite free?

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

### Is Simple Calculator. free?

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

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

Big Button Calculator Pro Lite is rated higher. Big Button Calculator Pro Lite averages 4.7 out of 5 from 14K ratings, while Simple Calculator. averages 4.6 from 1.6K ratings.

### Do Big Button Calculator Pro Lite or Simple Calculator. have ads?

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

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

Big Button Calculator Pro Lite ships an update every 3 months, and Simple Calculator. every 3 months. Most recently, Big Button Calculator Pro Lite was updated on October 18, 2026 and Simple Calculator. on October 18, 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.*