# Dogl Calculus vs Linear Function(Math Drills)

The clearest difference is in-app purchases: Linear Function(Math Drills) at none against Dogl Calculus's 3. Linear Function(Math Drills) also leads on iOS requirement (12.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Dogl Calculus sells 3 one-off in-app purchases. Linear Function(Math Drills) asks for nothing beyond the download.

Dogl Calculus ships an update every 2 months, Linear Function(Math Drills) every 6 weeks. The most recent releases landed on October 7, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Dogl Calculus | Linear Function(Math Drills) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (147 ratings)](https://appshunter.io/ios/app/dogl-calculus/id1554140181/reviews)** | — |
| Number of ratings | **147** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 39 MB | 27 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dogl](https://appshunter.io/developer/1554140183) | [郷 田村](https://appshunter.io/developer/1574588679) |

## What reviewers say

### Dogl Calculus

[App page](https://appshunter.io/ios/app/dogl-calculus/id1554140181)

Master calculus with this mobile app designed by university professors. It offers bite-sized problem-solving, personalized learning paths, and hints to guide you through challenging concepts. Start with free practice problems and unlock more weekly.

**Highlights:** Bite-sized problem-solving, Personalized learning paths, Weekly free problems, Teacher's Eye™ hints, Ad-free experience, Expert-designed content

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Plan - 1 month | $4.99 | one-time |
| Unlimited Plan - 4 months | $14.99 | one-time |
| Unlimited Plan - 1 year | $24.99 | one-time |


### Linear Function(Math Drills)

[App page](https://appshunter.io/ios/app/linear-functionmath-drills/id6444337219)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Dogl Calculus free?

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

### Is Linear Function(Math Drills) free?

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

### Do Dogl Calculus or Linear Function(Math Drills) have ads?

Neither Dogl Calculus nor Linear Function(Math Drills) shows ads.

### Which is updated more often, Dogl Calculus or Linear Function(Math Drills)?

Dogl Calculus ships an update every 2 months, and Linear Function(Math Drills) every 6 weeks. Most recently, Dogl Calculus was updated on October 7, 2026 and Linear Function(Math Drills) on September 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.*