# Card◆IO vs Muscly app

The clearest difference is ads: Card◆IO at none against Muscly app's shown. Muscly app's advantage is update cadence (weekly vs every 3 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Card◆IO sells 3 in-app purchases, starting at $2.99 per 7 days and Muscly app sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Card◆IO ships an update every 3 weeks, Muscly app weekly. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Card◆IO | Muscly app |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Weekly** |
| Size | 9 MB | 108 MB |
| Requires iOS | 18.2 | 18.2 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Mathilde Henriot](https://appshunter.io/developer/1403418618) | [SYLVAIN PHILIPPE TRANCHAND](https://appshunter.io/developer/6774323947) |

## What reviewers say

### Card◆IO

[App page](https://appshunter.io/ios/app/cardio/id1593402871)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $2.99 | per 7 days |
| Premium | $8.99 | per month |
| Premium | $69.99 | per year |


### Muscly app

[App page](https://appshunter.io/ios/app/muscly-app/id6774323945)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Muscly premium monthly | $3.99 | per month |
| Muscly premium yearly | $29.99 | per year |


## Frequently asked questions

### Is Card◆IO free?

Card◆IO is free to download, with in-app purchases available.

### Is Muscly app free?

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

### Do Card◆IO or Muscly app have ads?

Muscly app shows ads; Card◆IO does not.

### Which is updated more often, Card◆IO or Muscly app?

Card◆IO ships an update every 3 weeks, and Muscly app weekly. Most recently, Card◆IO was updated on November 3, 2026 and Muscly app 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.*