# InkDeck vs Logarithmic Identities PRO

The clearest difference is price: InkDeck at Free against Logarithmic Identities PRO's $1.99. InkDeck also leads on update cadence (every 2 weeks vs monthly). Logarithmic Identities PRO's advantage is in-app purchases (none vs 2). On ads, device support and iOS requirement there is nothing between them.

InkDeck is free to download; Logarithmic Identities PRO costs $1.99 up front. InkDeck sells 2 in-app purchases, starting at $2.99 per month. Logarithmic Identities PRO asks for nothing beyond the download.

InkDeck ships an update every 2 weeks, Logarithmic Identities PRO monthly. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | InkDeck | Logarithmic Identities PRO |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/inkdeck-flashcards/id1602851047/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 23 MB | 182 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Muhammad Mukhtar](https://appshunter.io/developer/1515029563) | [Glindemann, Sennoun, Langer GbR](https://appshunter.io/developer/1024972809) |

## What reviewers say

### InkDeck

[App page](https://appshunter.io/ios/app/inkdeck-flashcards/id1602851047)

Create and study with interactive flashcards using handwriting, typed text, and images. Engage with your material through five study methods and six learning games. Track your progress visually and sync across devices without an account.

**Highlights:** Handwritten and typed text on cards, Spaced repetition study schedules, Five study methods (Review, Quiz, Typing, Match, Cloze), Six learning games, Import Anki decks, Progress tracking and stats, iCloud sync across devices

**Features:** Vision Pro support, iPhone Duo support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| App Access For 1 Month | $2.99 | per month |
| Unlimited cards | $7.99 | one-time |


### Logarithmic Identities PRO

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

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

**In-app purchases:** none


## Frequently asked questions

### Is InkDeck free?

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

### Is Logarithmic Identities PRO free?

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

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

Neither InkDeck nor Logarithmic Identities PRO shows ads.

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

InkDeck ships an update every 2 weeks, and Logarithmic Identities PRO monthly. Most recently, InkDeck was updated on November 3, 2026 and Logarithmic Identities PRO on November 7, 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.*