Math Sphere vs One
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Math Sphere
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Math Sphere is a smart, user-friendly calculator app that handles everything from everyday basic math to the complex functions you need for school or work. Its clean, simple design makes it easy for anyone, from students to adults, to use intuitively and makes even the toughest calculations feel approachable.
One
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L-Calc is a smart landscape-mode calculator that redefines ease of use with one-handed operation and precision cursor control. Unlike standard calculators, you can slide your finger to move the cursor and edit any part of your formula instantly. Key Features: - Precision Cursor Slide: Simply swipe the "โ" button to move the cursor through your formula. Correct mistakes in the middle of long equations without deleting everything. - Reversible Layout: Toggle the keypad between the left and right sides to perfectly match your grip in landscape mode. - Effortless One-Handed Use: Every button is positioned for thumb access, making multitasking smoother than ever. - Interactive History: View previous calculations on the side and tap to insert results directly into your current formula. - Complex Math Support: A robust engine that handles parentheses and nested expressions accurately.
Screenshots
Verdict
The clearest difference is ads: Math Sphere at none against One's shown. Math Sphere also leads on iOS requirement (13.0 vs 15.6). One's advantage is update cadence (daily vs every 3 weeks). On price, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Math Sphere ships an update every 3 weeks, One daily. The most recent releases landed on October 8, 2026 and October 16, 2026 respectively.
| Parameter | Math Sphere | One |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks | Daily โ better |
| Ads | No โ better | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod โ better | iPhone, iPod |
| Requires iOS | 13.0 โ better | 15.6 |
| Further details โ not scored | ||
| Size | 25 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | otsuki hayato | Masaharu Tsukamoto |
In-app purchases
Math Sphere
No in-app purchases
One
No in-app purchases









