# Trf Cards vs Dyn

The clearest difference is update cadence: Dyn at every 8 days against Trf Cards's every 4 months. 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.

Trf Cards ships an update every 4 months, Dyn every 8 days. The most recent releases landed on October 5, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Trf Cards | Dyn |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 8 days** |
| Size | 26 MB | 83 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [TRF Cards S.A.P.I. de C.V.](https://appshunter.io/developer/1674028802) | [KARDIA TECH S.A.P.I. DE C.V.](https://appshunter.io/developer/1874690369) |

## What reviewers say

### Trf Cards

[App page](https://appshunter.io/ios/app/trf-cards/id6445826431)

**Features:** Vision Pro support

**In-app purchases:** none


### Dyn

[App page](https://appshunter.io/ios/app/dyn/id6773785677)

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

**In-app purchases:** none


## Frequently asked questions

### Is Trf Cards free?

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

### Is Dyn free?

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

### Do Trf Cards or Dyn have ads?

Neither Trf Cards nor Dyn shows ads.

### Which is updated more often, Trf Cards or Dyn?

Trf Cards ships an update every 4 months, and Dyn every 8 days. Most recently, Trf Cards was updated on October 5, 2026 and Dyn on October 11, 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.*