# CardioBird vs Charge

The clearest difference is update cadence: Charge at every 6 days against CardioBird's every 5 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

CardioBird ships an update every 5 weeks, Charge every 6 days. The most recent releases landed on November 3, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | CardioBird | Charge |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 6 days** |
| Size | 54 MB | 99 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [ANIWARE Company Limited](https://appshunter.io/developer/1403688562) | [Nigel Seah Jun Yang](https://appshunter.io/developer/1877268321) |

## What reviewers say

### CardioBird

[App page](https://appshunter.io/ios/app/cardiobird/id1576036995)

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

**In-app purchases:** none


### Charge

[App page](https://appshunter.io/ios/app/charge-lah/id6761470817)

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

**In-app purchases:** none


## Frequently asked questions

### Is CardioBird free?

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

### Is Charge free?

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

### Do CardioBird or Charge have ads?

Neither CardioBird nor Charge shows ads.

### Which is updated more often, CardioBird or Charge?

CardioBird ships an update every 5 weeks, and Charge every 6 days. Most recently, CardioBird was updated on November 3, 2026 and Charge on November 9, 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.*