# Logarithm Solver vs Flagy

The clearest difference is in-app purchases: Flagy at none against Logarithm Solver's 8. Flagy also leads on update cadence (daily vs every 3 weeks). Logarithm Solver's advantage is device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

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

Logarithm Solver ships an update every 3 weeks, Flagy daily. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Logarithm Solver | Flagy |
| --- | --- | --- |
| 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 | No |
| Update frequency | Every 3 weeks | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 180 MB | 5 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Glindemann, Sennoun, Langer GbR](https://appshunter.io/developer/1024972809) | [Joe Martins](https://appshunter.io/developer/1776171010) |

## 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 |


### Flagy

[App page](https://appshunter.io/ios/app/flagy/id6746384150)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Logarithm Solver free?

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

### Is Flagy free?

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

### Do Logarithm Solver or Flagy have ads?

Neither Logarithm Solver nor Flagy shows ads.

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

Logarithm Solver ships an update every 3 weeks, and Flagy daily. Most recently, Logarithm Solver was updated on October 24, 2026 and Flagy on October 28, 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.*