# Kids A vs Eureka 2

The clearest difference is in-app purchases: Eureka 2 at none against Kids A's 9. Eureka 2 also leads on iOS requirement (9.3 vs 16.6). Kids A's advantage is update cadence (every 3 weeks vs every 6 months). On price, ads and device support there is nothing between them.

Both are free to download. Kids A sells 9 one-off in-app purchases. Eureka 2 asks for nothing beyond the download.

Kids A ships an update every 3 weeks, Eureka 2 every 6 months. The most recent releases landed on November 10, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Kids A | Eureka 2 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.6 (6.7K ratings)](https://appshunter.io/ios/app/kids-a-z/id474207297/reviews)** | — |
| Number of ratings | **6.7K** | — |
| Positive reviews | 34.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 months |
| Monetization | Free | — |
| Size | 292 MB | 43 MB |
| Requires iOS | 16.6 | **9.3** |
| Devices | **iPhone, iPad** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Lazel Inc.](https://appshunter.io/developer/474207300) | [Everyware Apps](https://appshunter.io/developer/718530491) |

## What reviewers say

### Kids A

[App page](https://appshunter.io/ios/app/kids-a-z/id474207297)

Explore a space-themed learning universe with interactive eBooks and activities for K-5 students. Track progress from a personal command center and enjoy a safe, cosmic educational journey. Access various learning solutions on the go.

**Highlights:** Space-themed learning portal, Interactive eBooks, Educational activities, Progress tracking dashboard, Privacy features, Access to multiple Learning A-Z solutions

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Raz-Plus Connected Classroom | $5.19 | one-time |
| Raz-Plus Español | $7.39 | one-time |
| Raz-Plus ELL | $7.39 | one-time |
| Writing A-Z | $147.99 | one-time |
| Science A-Z | $147.99 | one-time |
| Vocabulary A-Z | $147.99 | one-time |
| Raz-Kids | $158.99 | one-time |
| Raz-Plus | $294.99 | one-time |
| Foundations A-Z | $294.99 | one-time |

**What reviewers like**

- 🤩 Amazing app for learning
- 🤖 Fun customization options
- 📚 Vast library of leveled books
- 🎉 Motivating reward system
- 🧠 Helps improve reading skills

**What reviewers complain about**

- 🐛 Frequent crashes and bugs
- 🕰️ Slow loading times
- 🔒 Security issues with account hacking
- 🤯 Frustrating when having to redo activities
- 🤔 Confusing user interface

**Reported bugs**

- Recording feature not working properly
- Incorrect answers marked as wrong
- Progress not saving or syncing correctly
- Compatibility issues with newer iOS versions
- Crashing when accessing certain sections

**Requested features**

- Add search functionality to find books easily
- Improve syncing between app and website
- Introduce parental controls and privacy features
- Offer more language options beyond English
- Provide more engaging and age-appropriate content


### Eureka 2

[App page](https://appshunter.io/ios/app/eureka-2/id1174327832)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Kids A free?

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

### Is Eureka 2 free?

Eureka 2 is free to download, with no in-app purchases.

### Do Kids A or Eureka 2 have ads?

Neither Kids A nor Eureka 2 shows ads.

### Which is updated more often, Kids A or Eureka 2?

Kids A ships an update every 3 weeks, and Eureka 2 every 6 months. Most recently, Kids A was updated on November 10, 2026 and Eureka 2 on November 2, 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.*