# Factorization(Math Drills) vs Calculus

The clearest difference is rating: Factorization(Math Drills) at 5.0 against Calculus's 3.5. Factorization(Math Drills) also leads on in-app purchases (none vs 13) and update cadence (every 3 days vs every 16 months). Calculus's advantage is ads (none vs shown) and ratings volume (4 vs 1). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Calculus sells 13 one-off in-app purchases. Factorization(Math Drills) asks for nothing beyond the download.

Factorization(Math Drills) holds the better App Store score, 5.0 against 3.5. Both are backed by a comparable volume of ratings — 1 and 4 respectively.

Factorization(Math Drills) ships an update every 3 days, Calculus every 16 months. The most recent releases landed on August 4, 2026 and July 19, 2026 respectively.

## The numbers

| Metric | Factorization(Math Drills) | Calculus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/factorizationmath-drills/id1574648688/reviews)** | [3.5 (4 ratings)](https://appshunter.io/ios/app/calculus-pro/id1638196645/reviews) |
| Number of ratings | 1 | **4** |
| Positive reviews | — | 33.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Every 16 months |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 5 MB | 40 MB |
| Requires iOS | **14.2** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [郷 田村](https://appshunter.io/developer/1574588679) | [Richard Ssenyonjo](https://appshunter.io/developer/1528776742) |

## What reviewers say

### Factorization(Math Drills)

[App page](https://appshunter.io/ios/app/factorizationmath-drills/id1574648688)

Sharpen your mental math skills with this app. Solve factorization problems like a puzzle using simple operations. Choose between practice mode with tips or challenge mode to beat the clock.

**Highlights:** Mental math factorization, Puzzle-like gameplay, Two factorization types, Practice mode with tips, Challenge mode with time limit, Score tracking

**Features:** macOS Compatibility

**In-app purchases:** none


### Calculus

[App page](https://appshunter.io/ios/app/calculus-pro/id1638196645)

Learn calculus comprehensively through 10 chapters and reinforce your understanding with an interactive quiz game. This app caters to both beginners and advanced learners, offering hints and challenging problems. Enjoy a clear, adaptable interface with font size adjustments and light/dark mode support.

**Highlights:** 10-chapter calculus curriculum, Interactive calculus quiz game, Beginner to advanced learning paths, Adjustable font size, Light and dark mode support, Covers differentiation, integration, and differential equations

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Get 1,000 Coins | $0.99 | one-time |
| Get 5,000 Coins | $1.99 | one-time |
| Get 10,000 Coins | $2.99 | one-time |
| Unlock Calculus 1 | $2.99 | one-time |
| Unlock Calculus 2 | $2.99 | one-time |
| Unlock Calculus 3 | $2.99 | one-time |
| Unlock Chapter 5 | $2.99 | one-time |
| Unlock Calculus 8 | $2.99 | one-time |
| Unlock Calculus 9 | $2.99 | one-time |
| Unlock Calculus 4 | $2.99 | one-time |
| Unlock Calculus 6 | $2.99 | one-time |
| Unlock Calculus 7 | $2.99 | one-time |
| Unlock Calculus 10 | $2.99 | one-time |


## Frequently asked questions

### Is Factorization(Math Drills) free?

Factorization(Math Drills) is free to download, with no in-app purchases.

### Is Calculus free?

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

### Which has better reviews, Factorization(Math Drills) or Calculus?

Factorization(Math Drills) is rated higher. Factorization(Math Drills) averages 5.0 out of 5 from 1 ratings, while Calculus averages 3.5 from 4 ratings.

### Do Factorization(Math Drills) or Calculus have ads?

Factorization(Math Drills) shows ads; Calculus does not.

### Which is updated more often, Factorization(Math Drills) or Calculus?

Factorization(Math Drills) ships an update every 3 days, and Calculus every 16 months. Most recently, Factorization(Math Drills) was updated on August 4, 2026 and Calculus on July 19, 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.*