# Scratch Math! vs Book Summaries

The clearest difference is update cadence: Scratch Math! at every 3 days against Book Summaries's every 10 days. On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. Scratch Math! sells 3 one-off in-app purchases and Book Summaries sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Scratch Math! ships an update every 3 days, Book Summaries every 10 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Scratch Math! | Book Summaries |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/scratch-math/id6763207187/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 10 days |
| Monetization | Free with in-app purchases | Freemium |
| Size | 23 MB | 108 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mathias Bakken](https://appshunter.io/developer/1895214623) | [Pushkar Tandon](https://appshunter.io/developer/1868335741) |

## What reviewers say

### Scratch Math!

[App page](https://appshunter.io/ios/app/scratch-math/id6763207187)

This app provides a hands-on approach to math practice, allowing users to solve problems directly on screen with a built-in scratchpad. It offers various practice activities for arithmetic and fractions, with visual tools and step-by-step explanations to aid understanding and track progress.

**Highlights:** Built-in digital scratchpad for problem-solving, Visual fraction playground with animated models, Step-by-step worked solutions with explanations, Progress tracking for accuracy and streaks, Offline-first functionality with local profiles, Practice activities for addition, subtraction, multiplication, and division

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy Me a Coffee | $4.99 | one-time |
| Buy Me a Coffee | $14.99 | one-time |
| Buy Me a Coffee | $39.99 | one-time |


### Book Summaries

[App page](https://appshunter.io/ios/app/book-summaries-minuteread/id6771221935)

Access condensed versions of bestselling nonfiction books, designed for quick reading in about five minutes. Learn key ideas and takeaways from various genres without committing to full-length books. Build a reading habit with gamified features and personalized content.

**Highlights:** Five-minute book summaries, Curated catalog by topic, Personalized content feed, Distraction-free reading experience, Gamified habit building (XP, levels, badges), Import EPUBs, Save and track reading progress

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MinuteRead Pro — Monthly | $4.99 | per month |
| MinuteRead Pro — Yearly | $34.99 | per year |
| Lifetime | $19.99 | one-time |


## Frequently asked questions

### Is Scratch Math! free?

Scratch Math! is free to download, with in-app purchases available.

### Is Book Summaries free?

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

### Do Scratch Math! or Book Summaries have ads?

Neither Scratch Math! nor Book Summaries shows ads.

### Which is updated more often, Scratch Math! or Book Summaries?

Scratch Math! ships an update every 3 days, and Book Summaries every 10 days. Most recently, Scratch Math! was updated on October 24, 2026 and Book Summaries on October 25, 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.*