# FLXBL vs Cardio52

The clearest difference is update cadence: Cardio52 at daily against FLXBL's monthly. Cardio52 also leads on iOS requirement (13.0 vs 16.0). 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.

FLXBL ships an update monthly, Cardio52 daily. The most recent releases landed on November 7, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | FLXBL | Cardio52 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Daily** |
| Size | 54 MB | 31 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [FLXBL AS](https://appshunter.io/developer/1558529815) | [Exuma AS](https://appshunter.io/developer/1806007934) |

## What reviewers say

### FLXBL

[App page](https://appshunter.io/ios/app/flxbl/id1558529813)

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

**In-app purchases:** none


### Cardio52

[App page](https://appshunter.io/ios/app/cardio52/id6758277806)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is FLXBL free?

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

### Is Cardio52 free?

Cardio52 is free to download, with no in-app purchases.

### Do FLXBL or Cardio52 have ads?

Neither FLXBL nor Cardio52 shows ads.

### Which is updated more often, FLXBL or Cardio52?

FLXBL ships an update monthly, and Cardio52 daily. Most recently, FLXBL was updated on November 7, 2026 and Cardio52 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.*