# Kasu Trainer vs Yamdu Notifier

The clearest difference is update cadence: Kasu Trainer at every 6 weeks against Yamdu Notifier's every 4 months. Yamdu Notifier's advantage is iOS requirement (13.0 vs 16.0). 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.

Kasu Trainer ships an update every 6 weeks, Yamdu Notifier every 4 months. The most recent releases landed on October 3, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Kasu Trainer | Yamdu Notifier |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 4 months |
| Monetization | — | Free |
| Size | 29 MB | 24 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Christoph Nagl](https://appshunter.io/developer/987219997) | [SERIOTEC GmbH](https://appshunter.io/developer/1004501662) |

## What reviewers say

### Kasu Trainer

[App page](https://appshunter.io/ios/app/kasu-trainer/id987219998)

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

**In-app purchases:** none


### Yamdu Notifier

[App page](https://appshunter.io/ios/app/yamdu-notifier/id1004501663)

This app provides a streamlined dashboard for film production professionals, displaying essential information like call sheets, announcements, and travel details. It allows quick access to tickets and contact information for crew members, simplifying on-set logistics.

**Highlights:** Latest call sheets, Announcements and calendar events, Travel information access, Direct ticket and voucher access, Crew list contact navigation, Consolidated production data

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

**In-app purchases:** none


## Frequently asked questions

### Is Kasu Trainer free?

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

### Is Yamdu Notifier free?

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

### Do Kasu Trainer or Yamdu Notifier have ads?

Neither Kasu Trainer nor Yamdu Notifier shows ads.

### Which is updated more often, Kasu Trainer or Yamdu Notifier?

Kasu Trainer ships an update every 6 weeks, and Yamdu Notifier every 4 months. Most recently, Kasu Trainer was updated on October 3, 2026 and Yamdu Notifier 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.*