# Quiz for Kidz vs PDE Pro Database Engineer

The clearest difference is update cadence: Quiz for Kidz at every 10 days against PDE Pro Database Engineer's every 3 months. PDE Pro Database Engineer's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Quiz for Kidz ships an update every 10 days, PDE Pro Database Engineer every 3 months. The most recent releases landed on October 17, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Quiz for Kidz | PDE Pro Database Engineer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/quiz-for-kidz/id1565614032/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 3 months |
| Monetization | Free | — |
| Size | 3 MB | 30 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ahmad Al-Sabbagh](https://appshunter.io/developer/1564333661) | [Davy Raitt](https://appshunter.io/developer/1795318281) |

## What reviewers say

### Quiz for Kidz

[App page](https://appshunter.io/ios/app/quiz-for-kidz/id1565614032)

This app offers a fun and engaging way for children to practice basic arithmetic skills. It features interactive quizzes with cheerful visuals and encouraging feedback, covering addition, subtraction, multiplication, and division.

**Highlights:** Addition, subtraction, multiplication, division practice, Multiple difficulty levels, Customizable quiz lengths, Randomized questions, Score tracking, Child-friendly interface, No ads or data collection

**In-app purchases:** none


### PDE Pro Database Engineer

[App page](https://appshunter.io/ios/app/pde-pro-database-engineer/id6756967890)

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

**In-app purchases:** none


## Frequently asked questions

### Is Quiz for Kidz free?

Quiz for Kidz is free to download, with no in-app purchases.

### Is PDE Pro Database Engineer free?

PDE Pro Database Engineer is free to download, with no in-app purchases.

### Do Quiz for Kidz or PDE Pro Database Engineer have ads?

Neither Quiz for Kidz nor PDE Pro Database Engineer shows ads.

### Which is updated more often, Quiz for Kidz or PDE Pro Database Engineer?

Quiz for Kidz ships an update every 10 days, and PDE Pro Database Engineer every 3 months. Most recently, Quiz for Kidz was updated on October 17, 2026 and PDE Pro Database Engineer on October 15, 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.*