# K vs Blitz

The clearest difference is ads: Blitz at none against K's shown. K's advantage is iOS requirement (12.0 vs 17.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. K sells 2 in-app purchases, starting at $2.00 per month and Blitz sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

K ships an update every 5 days, Blitz every 4 days. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | K | Blitz |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/blitz-offline-flashcards/id6775747293/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 days | **Every 4 days** |
| Monetization | — | Paid |
| Size | 58 MB | 4 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Pracsol Inc.](https://appshunter.io/developer/1684893377) | [Brandon van Rijn](https://appshunter.io/developer/6775747295) |

## What reviewers say

### K

[App page](https://appshunter.io/ios/app/k-word-starter/id6746167162)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ALL Access Monthly | $2.00 | per month |
| ALL Access Quaterly | $5.00 | per 3 months |


### Blitz

[App page](https://appshunter.io/ios/app/blitz-offline-flashcards/id6775747293)

Memorize anything with a private, offline flashcard app. Utilize smart scheduling, import existing decks, and track your progress with detailed statistics. Learn languages, science, and more with a one-time purchase.

**Highlights:** Smart scheduling for spaced repetition, 100% offline and private, 70+ ready-made decks, Import Anki decks (.apkg), Progress tracking and statistics, Holiday mode for review backlog, Text-to-speech in 60+ voices

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Blitz Premium | $4.99 | one-time |


## Frequently asked questions

### Is K free?

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

### Is Blitz free?

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

### Do K or Blitz have ads?

K shows ads; Blitz does not.

### Which is updated more often, K or Blitz?

K ships an update every 5 days, and Blitz every 4 days. Most recently, K was updated on October 28, 2026 and Blitz on October 31, 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.*