# Spaced. vs K Flash

The clearest difference is update cadence: K Flash at every 3 weeks against Spaced.'s every 5 months. Spaced.'s advantage is iOS requirement (18.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Spaced. sells 2 one-off in-app purchases and K Flash sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Spaced. ships an update every 5 months, K Flash every 3 weeks. The most recent releases landed on October 31, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Spaced. | K Flash |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/spaced/id6762540303/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 6 MB | 36 MB |
| Requires iOS | **18.0** | 26.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Clement Boissiere](https://appshunter.io/developer/1696386692) | [Auleus LLC](https://appshunter.io/developer/1896547875) |

## What reviewers say

### Spaced.

[App page](https://appshunter.io/ios/app/spaced/id6762540303)

This minimalist flashcard app helps you remember information through spaced repetition. Create custom decks with text, images, or audio, and review efficiently by focusing on what you need to learn. It's designed for privacy with no ads or tracking.

**Highlights:** Spaced repetition learning, Customizable decks, Text, image, and audio cards, AI-assisted deck creation, Starter decks included, Private by design, no ads or tracking

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $4.99 | one-time |
| Large Tip | $9.99 | one-time |


### K Flash

[App page](https://appshunter.io/ios/app/k-flash-korean-flashcards/id6768185178)

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| K Flash Monthly | $4.99 | per month |
| K Flash Annual | $24.99 | per year |
| K Flash Founding Edition | $59.99 | one-time |


## Frequently asked questions

### Is Spaced. free?

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

### Is K Flash free?

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

### Do Spaced. or K Flash have ads?

Neither Spaced. nor K Flash shows ads.

### Which is updated more often, Spaced. or K Flash?

Spaced. ships an update every 5 months, and K Flash every 3 weeks. Most recently, Spaced. was updated on October 31, 2026 and K Flash on October 28, 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.*