# Calculator Widget vs ConvertPro

The clearest difference is update cadence: Calculator Widget at every 9 days against ConvertPro's monthly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Calculator Widget sells 3 in-app purchases, starting at $3.99 per month and ConvertPro sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Calculator Widget ships an update every 9 days, ConvertPro monthly. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Calculator Widget | ConvertPro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (106 ratings)](https://appshunter.io/ios/app/calculator-widget-simple-calc/id6465680493/reviews)** | — |
| Number of ratings | **106** | — |
| Positive reviews | 56.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 16 MB | 5 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Amit Verma](https://appshunter.io/developer/1219761009) | [Ademola Mayowa Olatunji](https://appshunter.io/developer/1862678370) |

## What reviewers say

### Calculator Widget

[App page](https://appshunter.io/ios/app/calculator-widget-simple-calc/id6465680493)

Enhance your device's home screen with a visually appealing and functional calculator widget. Solve daily math challenges and access calculations directly from your widget or Apple Watch.

**Highlights:** Dynamic Island & Live Activity Calculator, iOS Interactive Widget, Customizable Calculator Themes, Daily Calculator Brain Game, Apple Watch Calculator, StandBy Mode Calculator

**Features:** macOS Compatibility, Apple Watch app, iPhone Duo support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Calc Pro. | $3.99 | per month |
| Calc Pro. | $12.99 | per year |
| Calc Pro. | $17.99 | one-time |


### ConvertPro

[App page](https://appshunter.io/ios/app/convertpro-unit-converter/id6809904618)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ConvertPro Pro | $4.99 | one-time |


## Frequently asked questions

### Is Calculator Widget free?

Calculator Widget is free to download, with in-app purchases available.

### Is ConvertPro free?

ConvertPro is free to download, with in-app purchases available.

### Do Calculator Widget or ConvertPro have ads?

Neither Calculator Widget nor ConvertPro shows ads.

### Which is updated more often, Calculator Widget or ConvertPro?

Calculator Widget ships an update every 9 days, and ConvertPro monthly. Most recently, Calculator Widget was updated on November 3, 2026 and ConvertPro on October 31, 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.*