# Calculator Plus #1 vs Conversion Pro

The clearest difference is in-app purchases: Conversion Pro at none against Calculator Plus #1's 7. Conversion Pro also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

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

## The numbers

| Metric | Calculator Plus #1 | Conversion Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (5.1K ratings)](https://appshunter.io/ios/app/calculator-plus-1/id576156235/reviews)** | — |
| Number of ratings | **5.1K** | — |
| Positive reviews | 88.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 157 MB | 3 MB |
| Requires iOS | 15 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DigitAlchemy LLC](https://appshunter.io/developer/376971628) | [杭州矩路科技有限公司](https://appshunter.io/developer/1465038873) |

## 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


### Conversion Pro

[App page](https://appshunter.io/ios/app/conversion-pro/id6759596812)

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

**In-app purchases:** none


## Frequently asked questions

### Is Calculator Plus #1 free?

Calculator Plus #1 is free to download, with in-app purchases available.

### Is Conversion Pro free?

Conversion Pro is free to download, with no in-app purchases.

### Do Calculator Plus #1 or Conversion Pro have ads?

Calculator Plus #1 shows ads; Conversion Pro does not.

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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.*