# Kids Encyclopedia vs Constructor Tech

The clearest difference is price: Constructor Tech at Free against Kids Encyclopedia's $3.99. Constructor Tech also leads on in-app purchases (none vs 1). Kids Encyclopedia's advantage is iOS requirement (13.0 vs 17.0). On rating, ratings volume, update cadence and ads there is nothing between them.

Constructor Tech is free to download; Kids Encyclopedia costs $3.99 up front. Kids Encyclopedia sells 1 one-off in-app purchase. Constructor Tech asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Kids Encyclopedia against 5.0 for Constructor Tech. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Kids Encyclopedia ships an update every 3 weeks, Constructor Tech every 2 weeks. The most recent releases landed on October 7, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Kids Encyclopedia | Constructor Tech |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/kids-encyclopedia-xia-gpt/id6759610010/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/constructor-tech/id6761380648/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Paid | **Free** |
| Size | 833 MB | 60 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Giorgi Amirajibi](https://appshunter.io/developer/1879788653) | [Constructor Technology AG](https://appshunter.io/developer/1889246517) |

## What reviewers say

### Kids Encyclopedia

[App page](https://appshunter.io/ios/app/kids-encyclopedia-xia-gpt/id6759610010)

An ad-free, interactive educational app for children, offering a vast encyclopedia of topics with images and simple descriptions. Features a moderated AI assistant for answering questions and engaging quizzes to test knowledge.

**Highlights:** Ad-free educational content, Interactive quizzes, AI assistant for questions, Topics: Animals, Space, Human Body, Geography, History, Art, Music, Color Academy, Numbers, Shapes, Alphabet, Child-appropriate content filtering

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy 100 GPT Answers | $1.99 | one-time |


### Constructor Tech

[App page](https://appshunter.io/ios/app/constructor-tech/id6761380648)

Access your courses, track progress, and manage your academic schedule on the go. This app provides a mobile-optimized experience for students using the Constructor learning platform, offering course content, assignment deadlines, and account management.

**Highlights:** Browse and access full course catalog, Track course completion progress, View academic calendar and deadlines, Mobile-optimized course content viewer, Manage account settings and profile, Submit problem reports

**In-app purchases:** none


## Frequently asked questions

### Is Kids Encyclopedia free?

Kids Encyclopedia costs $3.99, and also offers in-app purchases.

### Is Constructor Tech free?

Constructor Tech is free to download, with no in-app purchases.

### Which has better reviews, Kids Encyclopedia or Constructor Tech?

Kids Encyclopedia and Constructor Tech are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do Kids Encyclopedia or Constructor Tech have ads?

Neither Kids Encyclopedia nor Constructor Tech shows ads.

### Which is updated more often, Kids Encyclopedia or Constructor Tech?

Kids Encyclopedia ships an update every 3 weeks, and Constructor Tech every 2 weeks. Most recently, Kids Encyclopedia was updated on October 7, 2026 and Constructor Tech on October 10, 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.*