# iKnow vs Spark

The clearest difference is iOS requirement: iKnow at 9.2 against Spark's 14.0.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. iKnow sells 1 one-off in-app purchase and Spark sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | iKnow | Spark |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (3 ratings)](https://appshunter.io/ios/app/iknow-flashcard-memory-game-tool/id1088617040/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | — | Every 3 days |
| Monetization | Free with in-app purchases | — |
| Size | 21 MB | 63 MB |
| Requires iOS | **9.2** | 14.0.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Daniel Mekis](https://appshunter.io/developer/1087930323) | [JNRA Legacy, LLC](https://appshunter.io/developer/1707021991) |

## What reviewers say

### iKnow

[App page](https://appshunter.io/ios/app/iknow-flashcard-memory-game-tool/id1088617040)

This app offers a fun and effective way to memorize new information using customizable flashcards. Create your own dictionaries with words and photos, then test your knowledge by swiping through cards. Earn points for correct answers and unlock new skins in the full version.

**Highlights:** Customizable flashcard creation, Swipe-based learning mechanic, Points system for correct answers, 3D Touch Quick Actions, Learn multiple languages and subjects, Unlockable skins

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| full version | $2.99 | one-time |


### Spark

[App page](https://appshunter.io/ios/app/spark-study-smarter/id6520395594)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Spark Premium Monthly | $0.99 | per month |
| Spark Premium Annual | $9.99 | per year |


## Frequently asked questions

### Is iKnow free?

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

### Is Spark free?

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

### Do iKnow or Spark have ads?

Neither iKnow nor Spark shows ads.

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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.*