Universal Numbers vs 3D Star Map
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Universal Numbers
This app helps children and language learners understand numbers through visual representation and interactive exploration. It makes number concepts clear by showing place values, quantities, and the logic of large numbers. Practice counting in over 40 languages with pronunciation support.
- Visual number line exploration
- Tap to hear number pronunciation
- Zoom in/out for different counting increments
- Search for specific numbers
- Supports 40+ languages for counting practice
- No ads or data collection
Read full descriptionHide full description
We believe numbers aren't hard — they just need to be seen the right way. That's why we built Universal Numbers: a simple visual tool that helps children and language learners truly understand numbers, not just recite them. When kids can see a number, hear it, and feel how it breaks apart, the concept clicks. FOR YOUNG LEARNERS: Most children memorize number sequences without ever grasping what they mean. Universal Numbers changes that by making the structure of numbers visible — place values in color, quantities at a glance, and the logic of big numbers made obvious. From 0 to 1,000,000, on a number line they can scroll and zoom themselves. No pressure. No wrong answers. Just numbers that finally make sense. FOR LANGUAGE LEARNERS: Counting in a new language is one of the last things that feels truly automatic. Practice numbers in English, Spanish, or French — or any of 40+ languages and dialects available — at whatever pace you choose. HOW IT WORKS: • Scroll the number line to explore • Tap any number to hear it pronounced • Zoom in or out to count by 5, 10, 100, or more • Search for any specific number instantly • Choose your language and Apple system voice RANGE: 0 to 1,000,000 LANGUAGES FOR PRACTICE: Explore how numbers are spelled, written, and pronounced in dozens of languages and dialects — without changing your device language. In some, even the numerals look different. Pronunciation plays wherever your device has a matching voice installed, and the language list keeps growing as Apple adds support. PRIVACY: No ads. No accounts. No data collection. STAY IN TOUCH: YouTube, TikTok, X: @GamifyItApps www.gamifyitapps.com/contact
3D Star Map
Explore over 700 stars in our local star cluster in a 3D space simulation. Zoom, rotate, and learn about neighboring star systems with detailed information available on tap. Perfect for research or satisfying cosmic curiosity.
- 3D space exploration
- Over 700 local stars
- Detailed star information
- Zoom, rotate, and move
- Relaxing animations
- Educational content
Read full descriptionHide full description
Explore the local cluster with over 700 stars around our Sun! Zoom, rotate, and move through the 3D space surrounding our solar system, and learn about our neighboring star systems. Tap on a star for detailed information about it, or just wander through space with beautiful and relaxing animations. Whether you're using it for research or just to feed your insatiable curiosity, the 3D Star Map is here to help you learn more about our place in the universe!
Screenshots
Verdict
The clearest difference is review sentiment: 3D Star Map at 100% against Universal Numbers's 67%. 3D Star Map also leads on update cadence (every 2 weeks vs monthly) and iOS requirement (12.0 vs 16.6). Universal Numbers's advantage is rating (4.9 vs 4.5). On price, ratings volume, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Universal Numbers holds the better App Store score, 4.9 against 4.5. Both are backed by a comparable volume of ratings — 24 and 10 respectively. Written reviews complicate that: 67% of Universal Numbers's written reviews are positive against 100% of 3D Star Map's, so the app with the better star average is not the one people write more warmly about.
Universal Numbers ships an update monthly, 3D Star Map every 2 weeks. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.
| Parameter | Universal Numbers | 3D Star Map |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (24 ratings) — better | 4.5 (10 ratings) |
| Positive reviews | 66.7% of reviews | 100.0% of reviews — better |
| Number of ratings | 24 — better | 10 |
| Update frequency | Monthly | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.6 | 12.0 — better |
| Further details — not scored | ||
| Size | 3 MB | 100 MB |
| Age rating | 4+ | 4+ |
| Developer | GamifyIt | Alexander Winn |
Customer experience
Universal Numbers
3D Star Map
In-app purchases
Universal Numbers
No in-app purchases
3D Star Map
No in-app purchases
Questions
Is Universal Numbers free?
Is 3D Star Map free?
Which has better reviews, Universal Numbers or 3D Star Map?
Do Universal Numbers or 3D Star Map have ads?
Which is updated more often, Universal Numbers or 3D Star Map?
Other comparisons
