I vs Math Sphere
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
I
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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.
Screenshots
Verdict
The clearest difference is ads: Math Sphere at none against I's shown. Math Sphere also leads on update cadence (every 3 weeks vs every 6 months). On price, in-app purchases, device support and iOS requirement 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.
I ships an update every 6 months, Math Sphere every 3 weeks. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.
| Parameter | I | Math Sphere |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 months | Every 3 weeks — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 35 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | Towa TAKEUCHI | otsuki hayato |
In-app purchases
I
No in-app purchases
Math Sphere
No in-app purchases
