# Bitcoin RateChange vs Coinduck

The clearest difference is in-app purchases: Bitcoin RateChange at none against Coinduck's 2. Bitcoin RateChange also leads on iOS requirement (13.0 vs 15.5). Coinduck's advantage is ads (none vs shown) and update cadence (every 6 weeks vs every 5 months). On price and device support there is nothing between them.

Both are free to download. Coinduck sells 2 in-app purchases, starting at $3.99 per 7 days. Bitcoin RateChange asks for nothing beyond the download.

Bitcoin RateChange ships an update every 5 months, Coinduck every 6 weeks. The most recent releases landed on November 11, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Bitcoin RateChange | Coinduck |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Every 6 weeks** |
| Size | 6 MB | 29 MB |
| Requires iOS | **13.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yurii Sushko](https://appshunter.io/developer/1368611820) | [Aysha Sehar](https://appshunter.io/developer/1263063556) |

## What reviewers say

### Bitcoin RateChange

[App page](https://appshunter.io/ios/app/bitcoin-ratechange/id1385513573)

**Features:** macOS Compatibility

**In-app purchases:** none


### Coinduck

[App page](https://appshunter.io/ios/app/coinduck-crypto-tracker/id6776633539)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $3.99 | per 7 days |
| Monthly Subscription | $9.99 | per month |


## Frequently asked questions

### Is Bitcoin RateChange free?

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

### Is Coinduck free?

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

### Do Bitcoin RateChange or Coinduck have ads?

Bitcoin RateChange shows ads; Coinduck does not.

### Which is updated more often, Bitcoin RateChange or Coinduck?

Bitcoin RateChange ships an update every 5 months, and Coinduck every 6 weeks. Most recently, Bitcoin RateChange was updated on November 11, 2026 and Coinduck 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.*