# Spaced. vs Physics Handbook

The clearest difference is update cadence: Physics Handbook at every 3 days against Spaced.'s every 5 months. Physics Handbook also leads on iOS requirement (15.0 vs 18.0). 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 Physics Handbook sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Spaced. ships an update every 5 months, Physics Handbook every 3 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Spaced. | Physics Handbook |
| --- | --- | --- |
| 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 days** |
| Monetization | Free | — |
| Size | 6 MB | 36 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) | [Oleg Korunov](https://appshunter.io/developer/6811071409) |

## 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 |


### Physics Handbook

[App page](https://appshunter.io/ios/app/physics-handbook-formulas/id6811815476)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Physics Pro — Monthly | $1.99 | per month |
| Physics Pro — Yearly | $9.99 | per year |
| Physics Pro — Lifetime | $19.99 | one-time |


## Frequently asked questions

### Is Spaced. free?

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

### Is Physics Handbook free?

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

### Do Spaced. or Physics Handbook have ads?

Neither Spaced. nor Physics Handbook shows ads.

### Which is updated more often, Spaced. or Physics Handbook?

Spaced. ships an update every 5 months, and Physics Handbook every 3 days. Most recently, Spaced. was updated on November 5, 2026 and Physics Handbook on October 31, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*