Numerlo vs Flash Mental Calc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Numerlo
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People notice fast thinkers. Complete a 60-second mental math sprint. Track your progress with the Numerlo Index. Watch your speed and accuracy improve over time. Short. Focused. Habit-forming. Free version includes • 8 daily games + 2 challenger games • Numerlo Index progress tracking • No ads - ever Premium unlocks • Unlimited daily games • Unlimited practice mode • Professional Challenges Built for people who used to be “math people” Accountants. Engineers. Finance. Consulting. Medicine. Anyone who wants sharper thinking in a world of calculators. Privacy first No tracking. No ads. Your data stays on your device. You can’t fake mental math. Build the advantage. Privacy: https://numerlo.app/docs/privacy.html Terms: https://numerlo.app/docs/terms.html
Flash Mental Calc
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Boost your mental math skills with Flash Mental Calculation! A simple and effective training app where numbers flash on screen and you calculate the sum as fast as you can. 【Features】 · Addition, Subtraction & Mixed mode · Customizable difficulty (digits, count, speed) · Sound & haptic feedback · Japanese / English / Chinese 【Premium - one-time】 · Mixed mode (addition + subtraction) · Unlimited custom difficulty · Accuracy charts & statistics
Screenshots
Verdict
The clearest difference is in-app purchases: Flash Mental Calc at none against Numerlo's 2. Numerlo's advantage is iOS requirement (15.1 vs 17.0). On price, ads and device support 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. Numerlo sells 2 in-app purchases, starting at $2.99 per month. Flash Mental Calc asks for nothing beyond the download.
| Parameter | Numerlo | Flash Mental Calc |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 days | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.1 — better | 17.0 |
| Further details — not scored | ||
| Size | 52 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Nanxi Li | Wenbo Chen |
In-app purchases
Numerlo
- Monthly Premium7 Days trial$2.991 Month
- Annual Premium7 Days trial$25.991 Year
Flash Mental Calc
No in-app purchases
