# Calculation Sheet vs Math Zen

The clearest difference is price: Math Zen at Free against Calculation Sheet's $0.99. Math Zen also leads on device support. Calculation Sheet's advantage is in-app purchases (none vs 6) and iOS requirement (12.0 vs 16.4).

Math Zen is free to download; Calculation Sheet costs $0.99 up front. Math Zen sells 6 in-app purchases, starting at $3.99 per 7 days. Calculation Sheet asks for nothing beyond the download.

## The numbers

| Metric | Calculation Sheet | Math Zen |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/math-zen-exam-prep-and-drill/id6758208511/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Update frequency | — | Every 3 days |
| Monetization | — | Free with in-app purchases |
| Size | 13 MB | 264 MB |
| Requires iOS | **12.0** | 16.4 |
| Devices | — | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [APP Technology Co. Ltd.](https://appshunter.io/developer/524936444) | [Ivan Terekhin](https://appshunter.io/developer/888645337) |

## What reviewers say

### Calculation Sheet

[App page](https://appshunter.io/ios/app/calculation-sheet/id1008546965)

**In-app purchases:** none


### Math Zen

[App page](https://appshunter.io/ios/app/math-zen-exam-prep-and-drill/id6758208511)

This app provides adaptive math practice for standardized exams and university-level courses. It generates unique problems, tracks mastery, and offers offline access for focused learning. Review mistakes and visualize concepts to build long-term retention.

**Highlights:** Algorithmically generated problems, Adaptive mastery-based progression, Mistake journal for review, Visual problem explanations, Offline access, Exam-specific problem sets

**Features:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Math Zen Premium — Weekly | $3.99 | per 7 days |
| Math Zen Premium — Monthly | $6.99 | per month |
| Math Zen Premium — Annual | $29.99 | per year |
| Math Zen Premium: Lifetime | $24.99 | one-time |
| Math Zen Premium: Lifetime | $29.99 | one-time |
| Math Zen Premium — Lifetime | $39.99 | one-time |


## Frequently asked questions

### Is Calculation Sheet free?

Calculation Sheet costs $0.99, with no in-app purchases.

### Is Math Zen free?

Math Zen is free to download, with in-app purchases available.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*