# unitCalc vs Expert Currency Converter

The clearest difference is in-app purchases: unitCalc at none against Expert Currency Converter's 2. unitCalc also leads on iOS requirement (15.0 vs 17.0). Expert Currency Converter's advantage is update cadence (every 3 days vs monthly). On price, ads and device support there is nothing between them.

Both are free to download. Expert Currency Converter sells 2 in-app purchases, starting at $4.99 per month. unitCalc asks for nothing beyond the download.

unitCalc ships an update monthly, Expert Currency Converter every 3 days. The most recent releases landed on October 27, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | unitCalc | Expert Currency Converter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (1 ratings)](https://appshunter.io/ios/app/expert-currency-converter/id6802827879/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 days** |
| Monetization | — | Free |
| Size | 1 MB | 12 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [培祐 黃](https://appshunter.io/developer/1053411333) | [Milad Fakhr](https://appshunter.io/developer/380865844) |

## What reviewers say

### unitCalc

[App page](https://appshunter.io/ios/app/unitcalc/id6445979881)

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

**In-app purchases:** none


### Expert Currency Converter

[App page](https://appshunter.io/ios/app/expert-currency-converter/id6802827879)

This app provides offline currency and precious metal exchange rates, updated daily. It offers historical charts, plain language summaries of rate trends, and integrates with Siri and Apple Watch for quick conversions. It's designed for accessibility and works without an internet connection.

**Highlights:** Offline exchange rates, Supports 180+ currencies and assets, Historical charts with trend summaries, Siri and Shortcuts integration, Apple Watch app, iMessage app, Home screen widgets

**Features:** Apple Watch app, iMessage stickers, Vision Pro support, iPhone Duo support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Monthly | $4.99 | per month |
| Unlimited Yearly | $19.99 | per year |


## Frequently asked questions

### Is unitCalc free?

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

### Is Expert Currency Converter free?

Expert Currency Converter is free to download, with in-app purchases available.

### Do unitCalc or Expert Currency Converter have ads?

Neither unitCalc nor Expert Currency Converter shows ads.

### Which is updated more often, unitCalc or Expert Currency Converter?

unitCalc ships an update monthly, and Expert Currency Converter every 3 days. Most recently, unitCalc was updated on October 27, 2026 and Expert Currency Converter 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.*