# BTC Cycle vs CryptoWhistle

The clearest difference is iOS requirement: CryptoWhistle at 15.1 against BTC Cycle's 18.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. BTC Cycle sells 3 in-app purchases, starting at $2.99 per 7 days and CryptoWhistle sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | BTC Cycle | CryptoWhistle |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Size | 6 MB | 39 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Harun Karahan](https://appshunter.io/developer/1889305206) | [Alperen Akpinar](https://appshunter.io/developer/6781812281) |

## What reviewers say

### BTC Cycle

[App page](https://appshunter.io/ios/app/btc-cycle-crypto-analysis/id6768258870)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Crypto Calculator Weekly | $2.99 | per 7 days |
| Crypto Cycle Monthly | $7.99 | per month |
| Crypto Cycle Yearly | $24.99 | per year |


### CryptoWhistle

[App page](https://appshunter.io/ios/app/cryptowhistle/id6781812279)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CryptoWhistle PRO | $4.99 | per month |
| CryptoWhistle PRO Annual | $49.99 | per year |
| 1x Premium Tracker Credit | $0.99 | one-time |


## Frequently asked questions

### Is BTC Cycle free?

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

### Is CryptoWhistle free?

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

### Do BTC Cycle or CryptoWhistle have ads?

Neither BTC Cycle nor CryptoWhistle shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*