# Math vs Big Data Knowledge Test

The clearest difference is price: Big Data Knowledge Test at Free against Math's $1.99. Big Data Knowledge Test also leads on update cadence (every 3 months vs every 22 months). Math's advantage is in-app purchases (none vs 2) and device support (3 vs 1). On ads there is nothing between them.

Big Data Knowledge Test is free to download; Math costs $1.99 up front. Big Data Knowledge Test sells 2 in-app purchases, starting at $13.99 per month. Math asks for nothing beyond the download.

Math ships an update every 22 months, Big Data Knowledge Test every 3 months. The most recent releases landed on November 3, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Math | Big Data Knowledge Test |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 22 months | **Every 3 months** |
| Monetization | Paid | — |
| Size | 28 MB | 9 MB |
| Requires iOS | **13.0** | 17.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Saqib Masood](https://appshunter.io/developer/1555852546) | [Cargo Teleport Inc](https://appshunter.io/developer/1761832181) |

## What reviewers say

### Math

[App page](https://appshunter.io/ios/app/math-scientific-calculator/id1604535170)

This app provides educational content and tutorials on various branches of mathematics, including numbers, structure, place, and change. It aims to explain the importance of math in daily life and its role in other scientific fields. The app covers topics like discrete mathematics for beginners and professionals.

**Highlights:** Mathematics tutorials, Explanation of math concepts, Importance of math in daily life, Covers numbers, structure, place, and change, Discrete mathematics content, Suitable for beginners and professionals

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

**In-app purchases:** none


### Big Data Knowledge Test

[App page](https://appshunter.io/ios/app/big-data-knowledge-test/id6740737722)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium monthly subscription | $13.99 | per month |
| Lifetime version | $24.99 | one-time |


## Frequently asked questions

### Is Math free?

Math costs $1.99, with no in-app purchases.

### Is Big Data Knowledge Test free?

Big Data Knowledge Test is free to download, with in-app purchases available.

### Do Math or Big Data Knowledge Test have ads?

Neither Math nor Big Data Knowledge Test shows ads.

### Which is updated more often, Math or Big Data Knowledge Test?

Math ships an update every 22 months, and Big Data Knowledge Test every 3 months. Most recently, Math was updated on November 3, 2026 and Big Data Knowledge Test on November 8, 2026.

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