# ES.teacher vs kizi @Work

The clearest difference is update cadence: kizi @Work at every 2 months against ES.teacher's every 8 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.

ES.teacher ships an update every 8 months, kizi @Work every 2 months. The most recent releases landed on October 11, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | ES.teacher | kizi @Work |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 2 months** |
| Size | 17 MB | 51 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Grandir E&S Bildungs- und Betreuungskonzepte GmbH](https://appshunter.io/developer/1464884399) | [KMK Kinderzimmer GmbH Co. KG](https://appshunter.io/developer/1481335736) |

## What reviewers say

### ES.teacher

[App page](https://appshunter.io/ios/app/esteacher/id993200972)

**Features:** macOS Compatibility

**In-app purchases:** none


### kizi @Work

[App page](https://appshunter.io/ios/app/kizi-work/id1526458290)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is ES.teacher free?

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

### Is kizi @Work free?

kizi @Work is free to download, with no in-app purchases.

### Do ES.teacher or kizi @Work have ads?

Neither ES.teacher nor kizi @Work shows ads.

### Which is updated more often, ES.teacher or kizi @Work?

ES.teacher ships an update every 8 months, and kizi @Work every 2 months. Most recently, ES.teacher was updated on October 11, 2026 and kizi @Work on October 17, 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.*