# Factorization(Math Drills) vs Dogl Precalculus

The clearest difference is in-app purchases: Factorization(Math Drills) at none against Dogl Precalculus's 2. Factorization(Math Drills) also leads on update cadence (every 3 days vs every 6 months). Dogl Precalculus's advantage is ads (none vs shown) and ratings volume (34 vs 1). On price, rating, device support and iOS requirement there is nothing between them.

Both are free to download. Dogl Precalculus sells 2 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 4.8. That said, the two scores are not equally well evidenced: Dogl Precalculus has 34 ratings behind it against 1, so its average is the more settled of the two.

Factorization(Math Drills) ships an update every 3 days, Dogl Precalculus every 6 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Factorization(Math Drills) | Dogl Precalculus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/factorizationmath-drills/id1574648688/reviews)** | [4.8 (34 ratings)](https://appshunter.io/ios/app/dogl-precalculus/id6670212064/reviews) |
| Number of ratings | 1 | **34** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Every 6 months |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 5 MB | 36 MB |
| Requires iOS | **14.2** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [郷 田村](https://appshunter.io/developer/1574588679) | [Dogl](https://appshunter.io/developer/1554140183) |

## 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


### Dogl Precalculus

[App page](https://appshunter.io/ios/app/dogl-precalculus/id6670212064)

Master Precalculus with this app designed by university professors. It offers bite-sized problem-solving, personalized learning paths, and visual hints to guide you. Start with 100 free problems and unlock more weekly, with optional upgrades for unlimited access.

**Highlights:** Bite-sized problem-solving, Personalized learning paths, Visual hints for guidance, 100 free starter problems, Weekly free problem unlocks, Ad-free experience, AP Precalculus curriculum compatible

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Plan - 4 months | $0.99 | one-time |
| Unlimited Plan - 1 year | $1.99 | one-time |


## Frequently asked questions

### Is Factorization(Math Drills) free?

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

### Is Dogl Precalculus free?

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

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

Factorization(Math Drills) is rated higher. Factorization(Math Drills) averages 5.0 out of 5 from 1 ratings, while Dogl Precalculus averages 4.8 from 34 ratings.

### Do Factorization(Math Drills) or Dogl Precalculus have ads?

Factorization(Math Drills) shows ads; Dogl Precalculus does not.

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

Factorization(Math Drills) ships an update every 3 days, and Dogl Precalculus every 6 months. Most recently, Factorization(Math Drills) was updated on November 3, 2026 and Dogl Precalculus on October 30, 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.*