# Derivative Calculator Solver vs Logarithm Solver

The clearest difference is rating: Logarithm Solver at 5.0 against Derivative Calculator Solver's 4.3. Logarithm Solver also leads on update cadence (every 3 weeks vs every 7 months). Derivative Calculator Solver's advantage is ratings volume (12 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Derivative Calculator Solver sells 1 one-off in-app purchase and Logarithm Solver sells 8 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Logarithm Solver holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Derivative Calculator Solver has 12 ratings behind it against 1, so its average is the more settled of the two.

Derivative Calculator Solver ships an update every 7 months, Logarithm Solver every 3 weeks. The most recent releases landed on September 22, 2026 and August 26, 2026 respectively.

## The numbers

| Metric | Derivative Calculator Solver | Logarithm Solver |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (12 ratings)](https://appshunter.io/ios/app/derivative-calculator-solver/id1593820522/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/logarithm-solver/id1662897193/reviews)** |
| Number of ratings | **12** | 1 |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 39 MB | 180 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Asad Ahsan](https://appshunter.io/developer/1326954499) | [Glindemann, Sennoun, Langer GbR](https://appshunter.io/developer/1024972809) |

## What reviewers say

### Derivative Calculator Solver

[App page](https://appshunter.io/ios/app/derivative-calculator-solver/id1593820522)

This app calculates the derivative of mathematical functions, providing step-by-step solutions and geometrical interpretations. It supports complex functions and offers an advanced keyboard for various mathematical operations. Results can be downloaded as a PDF.

**Highlights:** Derivative calculation, Step-by-step solutions, Geometrical interpretation, Advanced keyboard, PDF download, Offline functionality

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Derivative Calculator Premium | $4.99 | one-time |


### Logarithm Solver

[App page](https://appshunter.io/ios/app/logarithm-solver/id1662897193)

Instantly solve math homework and prepare for exams with step-by-step logarithm solutions. This free app provides 24/7 access to calculations and helpful learning resources. Optional purchase options are available for high-volume users.

**Highlights:** Step-by-step logarithm solutions, Instant calculation of any variable, Overview of key logarithm rules, Curated learning videos, Feedback for incorrect inputs, Manage saved solutions

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| +30 User Tokens | $0.29 | one-time |
| +1 Convenience Token / 6h, max. +2 | $0.59 | one-time |
| +2 Convenience Tokens / 6h, max. +4 | $0.99 | one-time |
| +150 User Tokens | $0.99 | one-time |
| +300 User Tokens | $1.49 | one-time |
| +4 Convenience Tokens / 6h, max. +8 | $1.59 | one-time |
| Remove Ads | $1.99 | one-time |
| Lifetime Access | $1.99 | one-time |


## Frequently asked questions

### Is Derivative Calculator Solver free?

Derivative Calculator Solver is free to download, with in-app purchases available.

### Is Logarithm Solver free?

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

### Which has better reviews, Derivative Calculator Solver or Logarithm Solver?

Logarithm Solver is rated higher. Derivative Calculator Solver averages 4.3 out of 5 from 12 ratings, while Logarithm Solver averages 5.0 from 1 ratings.

### Do Derivative Calculator Solver or Logarithm Solver have ads?

Neither Derivative Calculator Solver nor Logarithm Solver shows ads.

### Which is updated more often, Derivative Calculator Solver or Logarithm Solver?

Derivative Calculator Solver ships an update every 7 months, and Logarithm Solver every 3 weeks. Most recently, Derivative Calculator Solver was updated on September 22, 2026 and Logarithm Solver on August 26, 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.*