# Who's Available? vs KTrunk

The clearest difference is rating: KTrunk at 5.0 against Who's Available?'s 3.7. Who's Available?'s advantage is in-app purchases (none vs 3) and update cadence (every 2 days vs monthly). On price, review sentiment, ratings volume and ads there is nothing between them.

Both are free to download. KTrunk sells 3 one-off in-app purchases. Who's Available? asks for nothing beyond the download.

KTrunk holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 3 and 2 respectively. Written reviews split almost evenly too, at 50% and 50% positive.

Who's Available? ships an update every 2 days, KTrunk monthly. The most recent releases landed on September 29, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Who's Available? | KTrunk |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (3 ratings)](https://appshunter.io/ios/app/whos-available/id1508891024/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/ktrunk/id1543722029/reviews)** |
| Number of ratings | **3** | 2 |
| Positive reviews | 50.0% of reviews | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Monthly |
| Monetization | **Free** | Free with in-app purchases |
| Size | 2 MB | 10 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod, Mac, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Shunzhe Ma](https://appshunter.io/developer/1052286218) | [Clemens Schuetzdeller](https://appshunter.io/developer/1543722031) |

## What reviewers say

### Who's Available?

[App page](https://appshunter.io/ios/app/whos-available/id1508891024)

This app lets you easily share your availability status with friends and family. Securely update your status via the app, widget, or Apple Watch, and see theirs in return. No registration or login is required, and your data remains private.

**Highlights:** Share availability status, iCloud Shared Database integration, Today widget support, Apple Watch app, iMessage app integration, No registration required, Developer cannot access data

**In-app purchases:** none


### KTrunk

[App page](https://appshunter.io/ios/app/ktrunk/id1543722029)

This note-taking app allows you to save ideas with attached files and photos. You can create links between notes and files, and synchronize your data across devices. An optional in-app purchase enables note encryption for enhanced privacy.

**Highlights:** Save ideas with files and photos, Link notes to other notes and files, Synchronize across devices via iCloud, Notes saved in HTML format, Optional note encryption

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Operating Convenience | $0.99 | one-time |
| Privacy | $1.99 | one-time |
| #Tag-Proposals | $1.99 | one-time |


## Frequently asked questions

### Is Who's Available? free?

Who's Available? is free to download, with no in-app purchases.

### Is KTrunk free?

KTrunk is free to download, with in-app purchases available.

### Which has better reviews, Who's Available? or KTrunk?

KTrunk is rated higher. Who's Available? averages 3.7 out of 5 from 3 ratings, while KTrunk averages 5.0 from 2 ratings.

### Do Who's Available? or KTrunk have ads?

Neither Who's Available? nor KTrunk shows ads.

### Which is updated more often, Who's Available? or KTrunk?

Who's Available? ships an update every 2 days, and KTrunk monthly. Most recently, Who's Available? was updated on September 29, 2026 and KTrunk on October 14, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*