# Exchange, Currency & Cryptos vs Knuckle

The clearest difference is ads: Knuckle at none against Exchange, Currency & Cryptos's shown. Exchange, Currency & Cryptos's advantage is iOS requirement (13.0 vs 26.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Exchange, Currency & Cryptos sells 3 one-off in-app purchases and Knuckle sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Exchange, Currency & Cryptos | Knuckle |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (364 ratings)](https://appshunter.io/ios/app/exchange-currency-and-cryptos/id1360648699/reviews)** | — |
| Number of ratings | **364** | — |
| Positive reviews | 70.6% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 48 MB | 12 MB |
| Requires iOS | **13.0** | 26.0 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Rome Rock LLC](https://appshunter.io/developer/1190244007) | [Andrii Bashta](https://appshunter.io/developer/1547467775) |

## What reviewers say

### Exchange, Currency & Cryptos

[App page](https://appshunter.io/ios/app/exchange-currency-and-cryptos/id1360648699)

Track exchange rates for over 250 currencies, including cryptocurrencies, with offline access. View historical charts, set custom notifications for price changes, and perform quick conversions. Includes a handy calculator for financial tasks.

**Highlights:** Offline exchange rates for 250+ currencies, Cryptocurrency tracking (Bitcoin, Litecoin, etc.), Historical exchange rate charts, Customizable price and hourly notifications, Multi-currency conversion, Formula calculator

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Features By Tip 1 | $2.99 | one-time |
| Pro Features By Tip 2 | $4.99 | one-time |
| Pro Features By Tip 3 | $6.99 | one-time |


### Knuckle

[App page](https://appshunter.io/ios/app/knuckle-ring-sizer/id6780806994)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Knuckle Lifetime | $9.99 | one-time |


## Frequently asked questions

### Is Exchange, Currency & Cryptos free?

Exchange, Currency & Cryptos is free to download, with in-app purchases available.

### Is Knuckle free?

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

### Do Exchange, Currency & Cryptos or Knuckle have ads?

Exchange, Currency & Cryptos shows ads; Knuckle 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.*