# Logarithmic Identities PRO vs DA0

The clearest difference is price: DA0 at Free against Logarithmic Identities PRO's $1.99. Logarithmic Identities PRO's advantage is update cadence (monthly vs every 3 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

DA0 is free to download; Logarithmic Identities PRO costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Logarithmic Identities PRO ships an update monthly, DA0 every 3 months. The most recent releases landed on September 14, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | Logarithmic Identities PRO | DA0 |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Size | 182 MB | 27 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


### DA0

[App page](https://appshunter.io/ios/app/da0-001-data-analytics-prep/id6761255165)

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

**In-app purchases:** none


## Frequently asked questions

### Is Logarithmic Identities PRO free?

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

### Is DA0 free?

DA0 is free to download, with no in-app purchases.

### Do Logarithmic Identities PRO or DA0 have ads?

Neither Logarithmic Identities PRO nor DA0 shows ads.

### Which is updated more often, Logarithmic Identities PRO or DA0?

Logarithmic Identities PRO ships an update monthly, and DA0 every 3 months. Most recently, Logarithmic Identities PRO was updated on September 14, 2026 and DA0 on September 12, 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.*