# Logarithmic Identities PRO vs LLM Master

The clearest difference is price: Logarithmic Identities PRO at $1.99 against LLM Master's $22.99. Logarithmic Identities PRO also leads on in-app purchases (none vs 4). On update cadence, ads, device support and iOS requirement there is nothing between them.

Logarithmic Identities PRO costs $1.99 and LLM Master $22.99 up front. LLM Master sells 4 one-off in-app purchases. Logarithmic Identities PRO asks for nothing beyond the download.

Both ship on a similar rhythm, roughly monthly. Both last shipped on October 2, 2026.

## The numbers

| Metric | Logarithmic Identities PRO | LLM Master |
| --- | --- | --- |
| Price | **$1.99** | $22.99 |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Size | 182 MB | 6 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Glindemann, Sennoun, Langer GbR](https://appshunter.io/developer/1024972809) | [Resonance Space](https://appshunter.io/developer/1582458978) |

## What reviewers say

### Logarithmic Identities PRO

[App page](https://appshunter.io/ios/app/logarithmic-identities-pro/id1662899276)

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

**In-app purchases:** none


### LLM Master

[App page](https://appshunter.io/ios/app/llm-master/id6769785318)

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Code Deep Dive | Free | one-time |
| Tutor Mini Pack | $2.99 | one-time |
| Tutor Standard Pack | $5.99 | one-time |
| Tutor Power Pack | $17.99 | one-time |


## Frequently asked questions

### Is Logarithmic Identities PRO free?

Logarithmic Identities PRO costs $1.99, with no in-app purchases.

### Is LLM Master free?

LLM Master costs $22.99, and also offers in-app purchases.

### Do Logarithmic Identities PRO or LLM Master have ads?

Neither Logarithmic Identities PRO nor LLM Master shows ads.

### Which is updated more often, Logarithmic Identities PRO or LLM Master?

Logarithmic Identities PRO ships an update monthly, and LLM Master monthly. Most recently, Logarithmic Identities PRO was updated on October 2, 2026 and LLM Master on October 2, 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.*