# Big Button Calculator Pro Lite vs CPMA Note App

The clearest difference is ads: CPMA Note App at none against Big Button Calculator Pro Lite's shown. CPMA Note App also leads on iOS requirement (13.0 vs 15.2). Big Button Calculator Pro Lite's advantage is update cadence (every 3 months vs every 10 months). 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 Button Calculator Pro Lite ships an update every 3 months, CPMA Note App every 10 months. The most recent releases landed on October 16, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Big Button Calculator Pro Lite | CPMA Note App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (14K ratings)](https://appshunter.io/ios/app/big-button-calculator-pro-lite/id1131056808/reviews)** | — |
| Number of ratings | **14K** | — |
| Positive reviews | 82.7% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 3 months** | Every 10 months |
| Monetization | Ad-supported | — |
| Size | 45 MB | 30 MB |
| Requires iOS | 15.2 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Cider Software LLC](https://appshunter.io/developer/465180756) | [Careproviders Assistance Services](https://appshunter.io/developer/1704146928) |

## 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


### CPMA Note App

[App page](https://appshunter.io/ios/app/cpma-note-app/id6471109753)

**In-app purchases:** none


## 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 CPMA Note App free?

CPMA Note App is free to download, with no in-app purchases.

### Do Big Button Calculator Pro Lite or CPMA Note App have ads?

Big Button Calculator Pro Lite shows ads; CPMA Note App does not.

### Which is updated more often, Big Button Calculator Pro Lite or CPMA Note App?

Big Button Calculator Pro Lite ships an update every 3 months, and CPMA Note App every 10 months. Most recently, Big Button Calculator Pro Lite was updated on October 16, 2026 and CPMA Note App on September 8, 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.*