# TetherBear vs CryptoWhistle

The clearest difference is in-app purchases: TetherBear at none against CryptoWhistle's 3. TetherBear also leads on iOS requirement (13.0 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. CryptoWhistle sells 3 in-app purchases, starting at $4.99 per month. TetherBear asks for nothing beyond the download.

## The numbers

| Metric | TetherBear | CryptoWhistle |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Size | 26 MB | 39 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ChartQ Inc](https://appshunter.io/developer/1653514653) | [Alperen Akpinar](https://appshunter.io/developer/6781812281) |

## What reviewers say

### TetherBear

[App page](https://appshunter.io/ios/app/tetherbear/id6754923635)

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

**In-app purchases:** none


### 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 TetherBear free?

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

### Is CryptoWhistle free?

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

### Do TetherBear or CryptoWhistle have ads?

Neither TetherBear nor CryptoWhistle shows ads.

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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.*