# Dogl Calculus vs Derivative

The clearest difference is in-app purchases: Derivative at none against Dogl Calculus's 3. Dogl Calculus's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Dogl Calculus sells 3 one-off in-app purchases. Derivative asks for nothing beyond the download.

Dogl Calculus ships an update every 2 months, Derivative monthly. The most recent releases landed on October 20, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Dogl Calculus | Derivative |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (151 ratings)](https://appshunter.io/ios/app/dogl-calculus/id1554140181/reviews)** | — |
| Number of ratings | **151** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free with in-app purchases | — |
| Size | 39 MB | 37 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Dogl](https://appshunter.io/developer/1554140183) | [Om Prakash Chapagain](https://appshunter.io/developer/1618620262) |

## 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 |


### Derivative

[App page](https://appshunter.io/ios/app/derivative-calculus/id1618969952)

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

**In-app purchases:** none


## Frequently asked questions

### Is Dogl Calculus free?

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

### Is Derivative free?

Derivative is free to download, with no in-app purchases.

### Do Dogl Calculus or Derivative have ads?

Derivative shows ads; Dogl Calculus does not.

### Which is updated more often, Dogl Calculus or Derivative?

Dogl Calculus ships an update every 2 months, and Derivative monthly. Most recently, Dogl Calculus was updated on October 20, 2026 and Derivative on October 12, 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.*