# eXpimal vs Logarithm Solver

The clearest difference is price: Logarithm Solver at Free against eXpimal's $2.99. Logarithm Solver also leads on rating (5.0 vs 2.3). eXpimal's advantage is in-app purchases (none vs 8) and ratings volume (3 vs 1). On update cadence, ads and device support there is nothing between them.

Logarithm Solver is free to download; eXpimal costs $2.99 up front. Logarithm Solver sells 8 one-off in-app purchases. eXpimal asks for nothing beyond the download.

Logarithm Solver holds the better App Store score, 5.0 against 2.3. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 21, 2026 and August 26, 2026 respectively.

## The numbers

| Metric | eXpimal | Logarithm Solver |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [2.3 (3 ratings)](https://appshunter.io/ios/app/expimal-logic-calculator/id1479857941/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/logarithm-solver/id1662897193/reviews)** |
| Number of ratings | **3** | 1 |
| Positive reviews | 54.5% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 10 MB | 180 MB |
| Requires iOS | **12.1** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Maksim Dmitriev](https://appshunter.io/developer/1479857940) | [Glindemann, Sennoun, Langer GbR](https://appshunter.io/developer/1024972809) |

## What reviewers say

### eXpimal

[App page](https://appshunter.io/ios/app/expimal-logic-calculator/id1479857941)

This app provides advanced tools for creating truth tables, simplifying Boolean functions, and plotting logical schemes. It supports various methods for minimization and polynomial representation, with detailed results and comments.

**Highlights:** Truth table creation, DNF, CNF, PDNF, PCNF calculation, Zhegalkin polynomial generation, Karnaugh map plotting, Boolean function minimization, Logical scheme plotting, Ladder diagram creation

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 eXpimal free?

eXpimal costs $2.99, with no in-app purchases.

### Is Logarithm Solver free?

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

### Which has better reviews, eXpimal or Logarithm Solver?

Logarithm Solver is rated higher. eXpimal averages 2.3 out of 5 from 3 ratings, while Logarithm Solver averages 5.0 from 1 ratings.

### Do eXpimal or Logarithm Solver have ads?

Neither eXpimal nor Logarithm Solver shows ads.

### Which is updated more often, eXpimal or Logarithm Solver?

eXpimal ships an update every 3 weeks, and Logarithm Solver every 3 weeks. Most recently, eXpimal was updated on September 21, 2026 and Logarithm Solver on August 26, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*