Side by side
Numberblocks World vs WonJo Kids
Both stand on preschool learning apps. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free trial AndroidiPhoneWindows
Numberblocks World combines episode-based entertainment with levelled early-years maths content, songs, and offline downloads. Families should note the single profile, platform-specific progress, and region-dependent subscription pricing.
Visit Numberblocks World Free trial AndroidiPhone
WonJo Kids combines early-learning content with personalization, parent controls, and cross-device synchronization. Families should review the subscription renewal rule and the privacy policy’s listed data collection before subscribing.
Visit WonJo KidsThe facts
| Numberblocks World | WonJo Kids | |
|---|---|---|
| Free plan | A free trial | A free trial |
| Open source | Not published | Not published |
| Runs on | Android, iPhone, Windows | Android, iPhone |
| Lowest paid plan | Free or on request | Price being re-checked |
| Plans published | 2 | 4 |
| Maker | Not published | Not published |
| Website | blocksuniverse.tv | wonjo.kids |
| On preschool learning apps | #29 of 35 | #33 of 35 |
Numberblocks World: what it does well
- Visual maths learning for ages 3–5
- 90-episode series and 100+ episodes described
- Downloadable offline viewing
- Ad-free and COPPA/GDPR-K compliant
- Works across Android, iOS, and Windows
What to know first
- No free plan
- Only one child profile currently
- Progress cannot transfer between platforms or devices
- Subscription prices vary by plan and region
WonJo Kids: what it does well
- Covers 100+ learning topics
- Adapts to age, interests, and pace
- Includes parent dashboard
- Supports five child profiles
- Offers printable activities
What to know first
- No free plan
- Subscription auto-renews unless cancelled
- Collects several categories of personal data
- Third-party login is not supported
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