# Smart PostCard vs Kehlen App

The clearest difference is update cadence: Kehlen App at monthly against Smart PostCard's every 4 months. Kehlen App also leads on iOS requirement (14.0 vs 18.0). 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.

Smart PostCard ships an update every 4 months, Kehlen App monthly. The most recent releases landed on September 9, 2026 and August 26, 2026 respectively.

## The numbers

| Metric | Smart PostCard | Kehlen App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (5 ratings)](https://appshunter.io/ios/app/smart-postcard/id950995941/reviews)** | — |
| Number of ratings | **5** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Monetization | Free with in-app purchases | — |
| Size | 64 MB | 33 MB |
| Requires iOS | 18.0 | **14.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [POST Luxembourg](https://appshunter.io/developer/669984943) | [custom coding SARL](https://appshunter.io/developer/1517073076) |

## What reviewers say

### Smart PostCard

[App page](https://appshunter.io/ios/app/smart-postcard/id950995941)

Send personalized physical postcards with photos or videos from your device. Easily add custom text, stickers, and backgrounds before sending them anywhere globally. Enjoy high-quality printing and worldwide delivery.

**Highlights:** Send photos or videos on postcards, Global shipping, Personalize with text and stickers, High-quality printing, Easy to use interface, Next-day delivery in Luxembourg

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

**In-app purchases:** none


### Kehlen App

[App page](https://appshunter.io/ios/app/kehlen-app/id1586565085)

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

**In-app purchases:** none


## Frequently asked questions

### Is Smart PostCard free?

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

### Is Kehlen App free?

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

### Do Smart PostCard or Kehlen App have ads?

Neither Smart PostCard nor Kehlen App shows ads.

### Which is updated more often, Smart PostCard or Kehlen App?

Smart PostCard ships an update every 4 months, and Kehlen App monthly. Most recently, Smart PostCard was updated on September 9, 2026 and Kehlen App on August 26, 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.*