# ConvertCalc vs Starling Calculator

The clearest difference is ads: Starling Calculator at none against ConvertCalc's shown. On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. ConvertCalc sells 1 one-off in-app purchase and Starling Calculator sells 3 in-app purchases, starting at $4.99 per year. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | ConvertCalc | Starling Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/convertcalc/id6756512186/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 8 days | — |
| Monetization | Free with in-app purchases | — |
| Size | 28 MB | 16 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Michael Riehl](https://appshunter.io/developer/1861093934) | [文之 虞](https://appshunter.io/developer/1893499984) |

## What reviewers say

### ConvertCalc

[App page](https://appshunter.io/ios/app/convertcalc/id6756512186)

This app combines a powerful calculator with an advanced unit converter, offering over 200 units across 19 categories. It allows for unified calculations and conversions in one step, with features like live currency exchange and date conversions. An optional pro version unlocks advanced customization and organizational tools.

**Highlights:** Unified calculation and conversion workflow, Over 200 units across 19 categories, Live currency conversion, Multiple calendar system conversions, Age calculator, Customizable themes and layouts, Offline functionality (excluding live currency)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ConvertCalc Pro | $8.99 | one-time |


### Starling Calculator

[App page](https://appshunter.io/ios/app/starling-calculator/id6762246215)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starling Pro | $4.99 | per year |
| Starling Pro | $2.99 | one-time |
| Starling Pro | $6.99 | one-time |


## Frequently asked questions

### Is ConvertCalc free?

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

### Is Starling Calculator free?

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

### Do ConvertCalc or Starling Calculator have ads?

ConvertCalc shows ads; Starling Calculator 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.*