# Calculator Plus vs Big Button Calculator Pro Lite

The clearest difference is update cadence: Calculator Plus at every 2 weeks against Big Button Calculator Pro Lite's every 3 months. Calculator Plus also leads on monetization model (free vs ad-supported). Big Button Calculator Pro Lite's advantage is rating (4.7 vs 4.5) and ratings volume (14K vs 2.2K). On price, review sentiment, ads and in-app purchases there is nothing between them.

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

Big Button Calculator Pro Lite holds the better App Store score, 4.7 against 4.5. That said, the two scores are not equally well evidenced: Big Button Calculator Pro Lite has 14K ratings behind it against 2.2K, so its average is the more settled of the two. Written reviews split almost evenly too, at 83% and 83% positive.

Calculator Plus ships an update every 2 weeks, Big Button Calculator Pro Lite every 3 months. Both last shipped on September 26, 2026.

## The numbers

| Metric | Calculator Plus | Big Button Calculator Pro Lite |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (2.2K ratings)](https://appshunter.io/ios/app/calculator-plus-units-and-split/id1082193416/reviews) | **[4.7 (14K ratings)](https://appshunter.io/ios/app/big-button-calculator-pro-lite/id1131056808/reviews)** |
| Number of ratings | 2.2K | **14K** |
| Positive reviews | 82.6% of reviews | **82.8% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 2 weeks** | Every 3 months |
| Monetization | **Free** | Ad-supported |
| Size | 7 MB | 45 MB |
| Requires iOS | **15.0** | 15.2 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Studio Zebra](https://appshunter.io/developer/388549605) | [Cider Software LLC](https://appshunter.io/developer/465180756) |

## What reviewers say

### Calculator Plus

[App page](https://appshunter.io/ios/app/calculator-plus-units-and-split/id1082193416)

This free iPad application offers a large, easy-to-read interface for performing basic calculations. Its user-friendly controls ensure immediate usability for everyday mathematical needs.

**Highlights:** Large, easy-to-read display, User-friendly controls, Basic calculations, Free to use

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

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 👍 Large, clear numbers
- 👍 Simple and straightforward
- 👍 Great for basic calculations
- 👍 Convenient on iPad

**What reviewers complain about**

- 🐛 Decimal point issues
- 🐛 Inaccurate percentage calculations
- 💡 Lack of history/memory
- 💡 No backspace/undo function
- 🔍 Ads can be distracting

**Reported bugs**

- Decimal point not working properly
- Incorrect percentage calculations

**Requested features**

- Add backspace/undo function
- Improve decimal point and percentage calculations
- Provide option to remove 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 Plus free?

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

### 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 Plus or Big Button Calculator Pro Lite?

Big Button Calculator Pro Lite is rated higher. Calculator Plus averages 4.5 out of 5 from 2.2K ratings, while Big Button Calculator Pro Lite averages 4.7 from 14K ratings.

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

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

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

Calculator Plus ships an update every 2 weeks, and Big Button Calculator Pro Lite every 3 months. Most recently, Calculator Plus was updated on September 26, 2026 and Big Button Calculator Pro Lite on September 26, 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.*