# FeynmanStudy vs Spaced.

The clearest difference is iOS requirement: FeynmanStudy at 15.1 against Spaced.'s 18.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. FeynmanStudy sells 3 in-app purchases, starting at $10.00 per 7 days and Spaced. sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | FeynmanStudy | Spaced. |
| --- | --- | --- |
| 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 |
| Monetization | — | Free |
| Size | 53 MB | 6 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [AlphaByte, Inc.](https://appshunter.io/developer/1655052816) | [Clement Boissiere](https://appshunter.io/developer/1696386692) |

## What reviewers say

### FeynmanStudy

[App page](https://appshunter.io/ios/app/feynmanstudy/id6753349250)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $10.00 | per 7 days |
| Monthly | $40.00 | per month |
| Yearly | $479.99 | per year |


### 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 |


## Frequently asked questions

### Is FeynmanStudy free?

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

### Is Spaced. free?

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

### Do FeynmanStudy or Spaced. have ads?

Neither FeynmanStudy nor Spaced. 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.*