# Logarithm Solver vs VoIP MEPhI

The clearest difference is in-app purchases: VoIP MEPhI at none against Logarithm Solver's 8. VoIP MEPhI also leads on iOS requirement (13.0 vs 15.0). Logarithm Solver's advantage is device support. On price there is nothing between them.

Both are free to download. Logarithm Solver sells 8 one-off in-app purchases. VoIP MEPhI asks for nothing beyond the download.

## The numbers

| Metric | Logarithm Solver | VoIP MEPhI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/logarithm-solver/id1662897193/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | — |
| Update frequency | Every 3 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 180 MB | 16 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [Glindemann, Sennoun, Langer GbR](https://appshunter.io/developer/1024972809) | [НИЯУ МИФИ](https://appshunter.io/developer/1610525122) |

## What reviewers say

### 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 |


### VoIP MEPhI

[App page](https://appshunter.io/ios/app/voip-mephi/id6446435309)

**In-app purchases:** none


## Frequently asked questions

### Is Logarithm Solver free?

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

### Is VoIP MEPhI free?

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

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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.*