# BUDENBERG DaZ vs Number Decomposition

The clearest difference is update cadence: BUDENBERG DaZ at every 3 weeks against Number Decomposition's every 5 months. BUDENBERG DaZ also leads on iOS requirement (11.0 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

BUDENBERG DaZ ships an update every 3 weeks, Number Decomposition every 5 months. The most recent releases landed on October 1, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | BUDENBERG DaZ | Number Decomposition |
| --- | --- | --- |
| Price | — | **$3.99** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 months |
| Monetization | — | Paid |
| Size | 23 MB | 78 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [MEIK STOLL](https://appshunter.io/developer/1824495672) | [Lernwunder](https://appshunter.io/developer/1840747082) |

## What reviewers say

### BUDENBERG DaZ

[App page](https://appshunter.io/ios/app/budenberg-daz-learn-german/id6748151744)

**Features:** macOS Compatibility

**In-app purchases:** none


### Number Decomposition

[App page](https://appshunter.io/ios/app/number-decomposition-math/id6752735119)

This educational app teaches children foundational math skills by focusing on number bonds up to 10, avoiding counting to build a strong understanding of arithmetic. It uses visual aids and a structured approach for quick, accurate recall of addition and subtraction facts.

**Highlights:** Number bonds up to 10, Drag and drop interface, Visual quantity images, Spaced repetition learning, Child-friendly avatars, Offline functionality

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BUDENBERG DaZ free?

Pricing for BUDENBERG DaZ is not currently listed on the App Store.

### Is Number Decomposition free?

Number Decomposition costs $3.99, with no in-app purchases.

### Do BUDENBERG DaZ or Number Decomposition have ads?

Neither BUDENBERG DaZ nor Number Decomposition shows ads.

### Which is updated more often, BUDENBERG DaZ or Number Decomposition?

BUDENBERG DaZ ships an update every 3 weeks, and Number Decomposition every 5 months. Most recently, BUDENBERG DaZ was updated on October 1, 2026 and Number Decomposition on October 12, 2026.

---

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