Download Numerlo - Math Trainer App V. 1.0
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Numerlo - Math Trainer App V. 1.0
by Nanxi Li
Mental math is a competitive advantage disguised as a basic skill. Research from Stanford's Department of Psychology shows that people who calculate quickly are perceived as more intelligent across a - More Info...

Available Since: 2026-02-09
Developer: Nanxi Li
Seller: Nanxi Li
Price: 0 USD
Current version: 1.0
Last Updated: 2026-02-10

Ratings: 0 out of 5 stars.
Based on 0 reviews. (Rate/Review)
Genre: Education
Filesize: 49.46MB
IOS Bundle ID: com.nl0502.mathlyapp
Age Rating: 4+
Languages: EN

Videos: Numerlo - Math Trainer App Videos

Mental math is a competitive advantage disguised as a basic skill.

Research from Stanford's Department of Psychology shows that people who calculate quickly are perceived as more intelligent across all contexts - even when the calculation itself is irrelevant. It's a cognitive signal. When you split a bill instantly, catch an error in a presentation, or estimate percentages without hesitation, you communicate competence.

But here's what most people miss: mental math isn't genetic. It's trainable.

THE RESEARCH
A landmark 2019 study in Frontiers in Psychology found that adults practicing mental arithmetic 15 minutes daily showed:
- 23% improvement in working memory
- 18% faster decision-making
- Measurable increases in fluid intelligence

Your brain builds what you practice. Numerlo makes that practice effective and - surprisingly - enjoyable.

HOW IT WORKS
Speed based questions force automaticity. Instead of consciously calculating, your brain learns to retrieve answers from memory. This is how fluency develops.
Short sessions (1 minute per game) prevent burnout while building consistency. The time pressure is intentional - it mimics real-world scenarios where hesitation costs credibility.
Clean interface. Immediate feedback. Progressive difficulty. Everything designed around one goal: genuine skill development.

WHAT YOU GET
FREE VERSION (NO ADS)
- 3 daily games (research shows consistency beats volume)
- All mathematical operations
- Enough to build real competence
- NO ADS (developer uses apps too and dislikes when there are ads)

PREMIUM
- Unlimited practice when motivation strikes
- Advanced analytics revealing improvement patterns
- Targeted practice for weak areas (including a fun Professional Challenges section)
- All future features (e.g. local and global ranking and more!)

The free tier is deliberately useful. Premium exists for those who want to accelerate progress. But of course, cancel anytime.

PRIVACY FIRST
Zero data collection. No tracking. Your practice remains on your device, period.

We built the app we'd want to use ourselves - which means respecting your privacy absolutely.

THE BOTTOM LINE
You can't fake mental math. Either you can calculate quickly or you can't. And that honest signal of cognitive sharpness influences how others perceive you.

The good news? It's completely trainable. Your brain will build what you practice.

Download Numerlo. Practice consistently. Build an advantage that compounds for life.

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Auto-renewable subscriptions. Cancel anytime through App Store settings.

Privacy: https://numerlo.app/docs/privacy.html
Terms: https://numerlo.app/docs/terms.html

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