# Flow Athletic vs UNDERCARD

Flow Athletic and UNDERCARD are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Flow Athletic ships an update every 3 weeks, UNDERCARD fortnightly. The most recent releases landed on September 17, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Flow Athletic | UNDERCARD |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Size | 191 MB | 194 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [The Flow Collective Pty Ltd](https://appshunter.io/developer/1458686669) | [UNDERCARD BOXING](https://appshunter.io/developer/1545529235) |

## What reviewers say

### Flow Athletic

[App page](https://appshunter.io/ios/app/flow-athletic/id990707004)

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

**In-app purchases:** none


### UNDERCARD

[App page](https://appshunter.io/ios/app/undercard/id1604596271)

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

**In-app purchases:** none


## Frequently asked questions

### Is Flow Athletic free?

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

### Is UNDERCARD free?

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

### Do Flow Athletic or UNDERCARD have ads?

Neither Flow Athletic nor UNDERCARD shows ads.

### Which is updated more often, Flow Athletic or UNDERCARD?

Flow Athletic ships an update every 3 weeks, and UNDERCARD fortnightly. Most recently, Flow Athletic was updated on September 17, 2026 and UNDERCARD on October 1, 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.*