# SAT Math Test Prep vs Neg Multiply

The clearest difference is in-app purchases: Neg Multiply at none against SAT Math Test Prep's 1. Neg Multiply also leads on update cadence (every 5 weeks vs every 12 months). SAT Math Test Prep's advantage is ads (none vs shown) and device support (3 vs 1). On price there is nothing between them.

Both are free to download. SAT Math Test Prep sells 1 in-app purchase, starting at $9.99 per month. Neg Multiply asks for nothing beyond the download.

SAT Math Test Prep ships an update every 12 months, Neg Multiply every 5 weeks. The most recent releases landed on October 21, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | SAT Math Test Prep | Neg Multiply |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (144 ratings)](https://appshunter.io/ios/app/sat-math-test-prep/id436846157/reviews)** | — |
| Number of ratings | **144** | — |
| Positive reviews | 79.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 12 months | **Every 5 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 15 MB | 32 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [YourTeacher.com](https://appshunter.io/developer/340925628) | [Katsuhiko Yao](https://appshunter.io/developer/1543188534) |

## What reviewers say

### SAT Math Test Prep

[App page](https://appshunter.io/ios/app/sat-math-test-prep/id436846157)

Prepare for the SAT Math test with a comprehensive study guide and practice tests. Offers a free trial period to evaluate the program before commitment.

**Highlights:** Comprehensive study guide, Practice tests, SAT Math focus, Free trial available

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SAT Math Test Prep | $9.99 | per month |


### Neg Multiply

[App page](https://appshunter.io/ios/app/neg-multiply-brain-training/id6450744705)

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

**In-app purchases:** none


## Frequently asked questions

### Is SAT Math Test Prep free?

SAT Math Test Prep is free to download, with in-app purchases available.

### Is Neg Multiply free?

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

### Do SAT Math Test Prep or Neg Multiply have ads?

Neg Multiply shows ads; SAT Math Test Prep does not.

### Which is updated more often, SAT Math Test Prep or Neg Multiply?

SAT Math Test Prep ships an update every 12 months, and Neg Multiply every 5 weeks. Most recently, SAT Math Test Prep was updated on October 21, 2026 and Neg Multiply on October 9, 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.*