# Logarithmic Identities PRO vs IT Audit Fundamentals Prep

The clearest difference is price: IT Audit Fundamentals Prep at Free against Logarithmic Identities PRO's $1.99. Logarithmic Identities PRO's advantage is in-app purchases (none vs 3) and update cadence (monthly vs every 2 months). On ads, device support and iOS requirement there is nothing between them.

IT Audit Fundamentals Prep is free to download; Logarithmic Identities PRO costs $1.99 up front. IT Audit Fundamentals Prep sells 3 in-app purchases, starting at $3.99 per month. Logarithmic Identities PRO asks for nothing beyond the download.

Logarithmic Identities PRO ships an update monthly, IT Audit Fundamentals Prep every 2 months. The most recent releases landed on October 2, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Logarithmic Identities PRO | IT Audit Fundamentals Prep |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Size | 182 MB | 30 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Glindemann, Sennoun, Langer GbR](https://appshunter.io/developer/1024972809) | [Davy Raitt](https://appshunter.io/developer/1795318281) |

## 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


### IT Audit Fundamentals Prep

[App page](https://appshunter.io/ios/app/it-audit-fundamentals-prep/id6758300068)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $3.99 | per month |
| Pro Yearly | $14.99 | per year |
| Pro Lifetime | $19.99 | one-time |


## Frequently asked questions

### Is Logarithmic Identities PRO free?

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

### Is IT Audit Fundamentals Prep free?

IT Audit Fundamentals Prep is free to download, with in-app purchases available.

### Do Logarithmic Identities PRO or IT Audit Fundamentals Prep have ads?

Neither Logarithmic Identities PRO nor IT Audit Fundamentals Prep shows ads.

### Which is updated more often, Logarithmic Identities PRO or IT Audit Fundamentals Prep?

Logarithmic Identities PRO ships an update monthly, and IT Audit Fundamentals Prep every 2 months. Most recently, Logarithmic Identities PRO was updated on October 2, 2026 and IT Audit Fundamentals Prep on October 15, 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.*