# InkDeck vs Combinatorics PRO

The clearest difference is price: InkDeck at Free against Combinatorics PRO's $1.99. InkDeck also leads on update cadence (every 9 days vs monthly). Combinatorics PRO's advantage is in-app purchases (none vs 3). On ads, device support and iOS requirement there is nothing between them.

InkDeck is free to download; Combinatorics PRO costs $1.99 up front. InkDeck sells 3 in-app purchases, starting at $2.99 per month. Combinatorics PRO asks for nothing beyond the download.

InkDeck ships an update every 9 days, Combinatorics PRO monthly. The most recent releases landed on October 5, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | InkDeck | Combinatorics 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 9 days** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 21 MB | 179 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 flashcards with handwritten notes and drawings. Supports spaced repetition, multiple study modes, and engaging games to make learning fun. Syncs across devices via iCloud without an account.

**Highlights:** Handwritten notes and drawings, Spaced repetition system, Multiple study modes (Quiz, Typing, Match), Four built-in study games, Import Anki and CSV decks, Progress tracking and stats, iCloud sync across devices

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| App Access For 1 Month | $2.99 | per month |
| App Access For 1 Year | $24.99 | per year |
| Unlimited cards | $7.99 | one-time |


### Combinatorics PRO

[App page](https://appshunter.io/ios/app/combinatorics-pro/id6472449368)

**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 Combinatorics PRO free?

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

### Do InkDeck or Combinatorics PRO have ads?

Neither InkDeck nor Combinatorics PRO shows ads.

### Which is updated more often, InkDeck or Combinatorics PRO?

InkDeck ships an update every 9 days, and Combinatorics PRO monthly. Most recently, InkDeck was updated on October 5, 2026 and Combinatorics PRO on October 8, 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.*