# Spaced. vs Lumen

The clearest difference is in-app purchases: Lumen at none against Spaced.'s 2. Lumen also leads on iOS requirement (15.0 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Spaced. sells 2 one-off in-app purchases. Lumen asks for nothing beyond the download.

## The numbers

| Metric | Spaced. | Lumen |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/spaced/id6762540303/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 months | — |
| Monetization | Free | — |
| Size | 6 MB | 35 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Clement Boissiere](https://appshunter.io/developer/1696386692) | [Hansel Susanto](https://appshunter.io/developer/1477783493) |

## 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 |


### Lumen

[App page](https://appshunter.io/ios/app/lumen-flashcards-app/id6796242141)

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

**In-app purchases:** none


## Frequently asked questions

### Is Spaced. free?

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

### Is Lumen free?

Lumen is free to download, with no in-app purchases.

### Do Spaced. or Lumen have ads?

Neither Spaced. nor Lumen 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.*