# Contiducks vs ST

The clearest difference is update cadence: Contiducks at every 9 months against ST's every 27 months. ST's advantage is iOS requirement (12.0 vs 26.0). 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.

Contiducks ships an update every 9 months, ST every 27 months. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Contiducks | ST |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/st-4001i/id1492225169/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 months** | Every 27 months |
| Monetization | — | Free |
| Size | 12 MB | 12 MB |
| Requires iOS | 26.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Y Goren](https://appshunter.io/developer/1474477442) | [ICOM INCORPORATED](https://appshunter.io/developer/1193842631) |

## What reviewers say

### Contiducks

[App page](https://appshunter.io/ios/app/contiducks/id1474477443)

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

**In-app purchases:** none


### ST

[App page](https://appshunter.io/ios/app/st-4001i/id1492225169)

This app converts photos and images into a format compatible with D-STAR transceivers for the Share Picture function. Users can crop images, add text like call signs, and transfer them wirelessly or via Bluetooth to supported transceivers.

**Highlights:** Image conversion for D-STAR Share Picture, Image cropping, Add text (call signs), Wireless transfer to transceiver, Bluetooth transfer to transceiver, Save cropped image as file

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Contiducks free?

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

### Is ST free?

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

### Do Contiducks or ST have ads?

Neither Contiducks nor ST shows ads.

### Which is updated more often, Contiducks or ST?

Contiducks ships an update every 9 months, and ST every 27 months. Most recently, Contiducks was updated on October 25, 2026 and ST on October 24, 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.*