# Calculator Plus #1 vs Big Button Calculator Pro Lite

The clearest difference is in-app purchases: Big Button Calculator Pro Lite at none against Calculator Plus #1's 7. Calculator Plus #1's advantage is update cadence (every 5 weeks vs every 3 months). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Calculator Plus #1 sells 7 in-app purchases, starting at $0.99 per month. Big Button Calculator Pro Lite asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.8 for Calculator Plus #1 against 4.7 for Big Button Calculator Pro Lite. Both are backed by a comparable volume of ratings — 5.1K and 14K respectively. Written reviews are what separate them: 89% of Calculator Plus #1's written reviews are positive against 83% of Big Button Calculator Pro Lite's.

Calculator Plus #1 ships an update every 5 weeks, Big Button Calculator Pro Lite every 3 months. Both last shipped on October 22, 2026.

## The numbers

| Metric | Calculator Plus #1 | Big Button Calculator Pro Lite |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (5.1K ratings)](https://appshunter.io/ios/app/calculator-plus-1/id576156235/reviews)** | [4.7 (14K ratings)](https://appshunter.io/ios/app/big-button-calculator-pro-lite/id1131056808/reviews) |
| Number of ratings | 5.1K | **14K** |
| Positive reviews | **88.6% of reviews** | 82.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 5 weeks** | Every 3 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 157 MB | 45 MB |
| Requires iOS | **15** | 15.2 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DigitAlchemy LLC](https://appshunter.io/developer/376971628) | [Cider Software LLC](https://appshunter.io/developer/465180756) |

## What reviewers say

### Calculator Plus #1

[App page](https://appshunter.io/ios/app/calculator-plus-1/id576156235)

A straightforward calculator app designed for everyday math, school, budgeting, and shopping. It offers essential functions, a clear interface with large buttons, and a history log for reviewing past calculations. Advanced features include memory functions, percentage calculations, and multi-window support for efficient workflow.

**Highlights:** Basic arithmetic operations, Calculation history, Memory function, Percentage calculations, Large buttons and display, Customizable themes, Multi-window mode

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Calculator with History | $0.99 | per month |
| Calculator with History | $1.49 | per month |
| Simple Calculator - No Ads | $6.29 | per year |
| Simple Calculator - No Ads | $8.99 | per year |
| Remove ads | $3.99 | one-time |
| Multiple Basic Calculations | $8.99 | one-time |
| Multiple Basic Calculations | $12.99 | one-time |

**What reviewers like**

- 🚀 Great calculator
- 👍 Easy to use
- 👍 Looks very nice
- 👍 Reliable and dependable
- 👍 Useful features like memory

**What reviewers complain about**

- 🐛 Ads disrupt calculations
- 🐛 Too many ads
- 🐛 Ads pop up in the middle of calculations

**Reported bugs**

- App crashes or doesn't open
- Ads still show up even after paying to remove them

**Requested features**

- Add brackets/parentheses for arithmetic operations
- Improve arithmetic operator priority
- Add more algebraic and trigonometric functions


### 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 #1 free?

Calculator Plus #1 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 Plus #1 or Big Button Calculator Pro Lite?

Calculator Plus #1 is rated higher. Calculator Plus #1 averages 4.8 out of 5 from 5.1K ratings, while Big Button Calculator Pro Lite averages 4.7 from 14K ratings.

### Do Calculator Plus #1 or Big Button Calculator Pro Lite have ads?

Both Calculator Plus #1 and Big Button Calculator Pro Lite show ads.

### Which is updated more often, Calculator Plus #1 or Big Button Calculator Pro Lite?

Calculator Plus #1 ships an update every 5 weeks, and Big Button Calculator Pro Lite every 3 months. Most recently, Calculator Plus #1 was updated on October 22, 2026 and Big Button Calculator Pro Lite on October 22, 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.*