# MathBook+ vs Digital SAT Practice Prep

The clearest difference is in-app purchases: MathBook+ at none against Digital SAT Practice Prep's 1. MathBook+ also leads on iOS requirement (15.1 vs 17.0). Digital SAT Practice Prep's advantage is ads (none vs shown) and update cadence (weekly vs monthly). On price and device support there is nothing between them.

Both are free to download. Digital SAT Practice Prep sells 1 one-off in-app purchase. MathBook+ asks for nothing beyond the download.

MathBook+ ships an update monthly, Digital SAT Practice Prep weekly. The most recent releases landed on November 3, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | MathBook+ | Digital SAT Practice Prep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/mathbook-plus/id1547221989/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Weekly** |
| Monetization | Ad-supported | — |
| Size | 31 MB | 14 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Education House](https://appshunter.io/developer/1533229296) | [RIVERSHIP](https://appshunter.io/developer/6780804499) |

## What reviewers say

### MathBook+

[App page](https://appshunter.io/ios/app/mathbook-plus/id1547221989)

This digital math textbook offers over 1,000 exercises for self-paced learning on Apple devices. It provides a comprehensive resource for mastering mathematical concepts.

**Highlights:** Digital math textbook, Over 1,000 exercises, Self-paced learning, Supports iPhone, iPad, iPod, Free to download

**Features:** macOS Compatibility

**In-app purchases:** none


### Digital SAT Practice Prep

[App page](https://appshunter.io/ios/app/digital-sat-practice-prep/id6785842123)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Everything | $4.99 | one-time |


## Frequently asked questions

### Is MathBook+ free?

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

### Is Digital SAT Practice Prep free?

Digital SAT Practice Prep is free to download, with in-app purchases available.

### Do MathBook+ or Digital SAT Practice Prep have ads?

MathBook+ shows ads; Digital SAT Practice Prep does not.

### Which is updated more often, MathBook+ or Digital SAT Practice Prep?

MathBook+ ships an update monthly, and Digital SAT Practice Prep weekly. Most recently, MathBook+ was updated on November 3, 2026 and Digital SAT Practice Prep 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.*