# WDSF eCard vs WDCAL app

The clearest difference is update cadence: WDCAL app at every 6 days against WDSF eCard's every 3 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.

WDSF eCard ships an update every 3 months, WDCAL app every 6 days. The most recent releases landed on October 4, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | WDSF eCard | WDCAL app |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 days** |
| Size | 120 MB | 50 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [JAYKAY DESING S.C.](https://appshunter.io/developer/1252568595) | [Trone software](https://appshunter.io/developer/1703796461) |

## What reviewers say

### WDSF eCard

[App page](https://appshunter.io/ios/app/wdsf-ecard/id1252568596)

**Features:** macOS Compatibility

**In-app purchases:** none


### WDCAL app

[App page](https://appshunter.io/ios/app/wdcal-app/id6753067514)

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

**In-app purchases:** none


## Frequently asked questions

### Is WDSF eCard free?

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

### Is WDCAL app free?

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

### Do WDSF eCard or WDCAL app have ads?

Neither WDSF eCard nor WDCAL app shows ads.

### Which is updated more often, WDSF eCard or WDCAL app?

WDSF eCard ships an update every 3 months, and WDCAL app every 6 days. Most recently, WDSF eCard was updated on October 4, 2026 and WDCAL app on October 28, 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.*