# Onzic vs Klax @Work

The clearest difference is in-app purchases: Klax @Work at none against Onzic's 8. Klax @Work also leads on iOS requirement (12.0 vs 18.6). Onzic's advantage is update cadence (every 2 weeks vs every 11 months). On price, ads and device support there is nothing between them.

Both are free to download. Onzic sells 8 in-app purchases, starting at $1.99 per 7 days. Klax @Work asks for nothing beyond the download.

Onzic ships an update every 2 weeks, Klax @Work every 11 months. The most recent releases landed on October 4, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Onzic | Klax @Work |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (10 ratings)](https://appshunter.io/ios/app/onzic/id1444295642/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 11 months |
| Monetization | Freemium | — |
| Size | 32 MB | 56 MB |
| Requires iOS | 18.6 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Onzic](https://appshunter.io/developer/1397137932) | [Klax Kreativ UG (haftungsbeschraenkt)](https://appshunter.io/developer/1137018536) |

## What reviewers say

### Onzic

[App page](https://appshunter.io/ios/app/onzic/id1444295642)

Transform study sessions into engaging musical experiences with catchy rap songs and AI-generated tracks. Learn and revise subjects from middle school to high school through memorable rhymes and beats, available in multiple languages.

**Highlights:** Educational rap songs, AI song generation, Lyric following, Personalized playlists, Offline listening (Premium), Available in 6 languages

**Features:** macOS Compatibility

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Onzic Plaisir | $1.99 | per 7 days |
| Weekly Premium | $2.99 | per 7 days |
| Monthly Premium | $8.99 | per month |
| Onzic compte plaisir | $9.49 | per month |
| Annual Premium | $69.99 | per year |
| 1 credit | $1.99 | one-time |
| 5 Credits Pack | $5.99 | one-time |
| 15 Credits Pack | $12.99 | one-time |


### Klax @Work

[App page](https://appshunter.io/ios/app/klax-work/id6478754452)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Onzic free?

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

### Is Klax @Work free?

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

### Do Onzic or Klax @Work have ads?

Neither Onzic nor Klax @Work shows ads.

### Which is updated more often, Onzic or Klax @Work?

Onzic ships an update every 2 weeks, and Klax @Work every 11 months. Most recently, Onzic was updated on October 4, 2026 and Klax @Work on October 5, 2026.

---

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