# SAT Math Test Prep vs LumiSource

The clearest difference is in-app purchases: LumiSource at none against SAT Math Test Prep's 1. LumiSource also leads on update cadence (every 3 months vs every 12 months) and review sentiment (93% vs 79%). SAT Math Test Prep's advantage is ratings volume (144 vs 46). On price, rating, ads and device support 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. LumiSource asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.7 for SAT Math Test Prep against 4.7 for LumiSource. Both are backed by a comparable volume of ratings — 144 and 46 respectively. Written reviews are what separate them: 79% of SAT Math Test Prep's written reviews are positive against 93% of LumiSource's.

SAT Math Test Prep ships an update every 12 months, LumiSource every 3 months. The most recent releases landed on September 8, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | SAT Math Test Prep | LumiSource |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (144 ratings)](https://appshunter.io/ios/app/sat-math-test-prep/id436846157/reviews) | **[4.7 (46 ratings)](https://appshunter.io/ios/app/lumisource-prep-hubs/id6746340356/reviews)** |
| Number of ratings | **144** | 46 |
| Positive reviews | 79.2% of reviews | **92.9% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 3 months** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 15 MB | 699 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [YourTeacher.com](https://appshunter.io/developer/340925628) | [CaseHippo Inc](https://appshunter.io/developer/1551575873) |

## 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 |


### LumiSource

[App page](https://appshunter.io/ios/app/lumisource-prep-hubs/id6746340356)

Prepare for AP exams with condensed study guides and realistic practice tests. This app offers mobile-optimized content for efficient review anytime, anywhere. It currently supports over 10 AP subjects.

**Highlights:** Condensed study guides, Realistic practice tests, Detailed answer breakdowns, Mobile-optimized for on-the-go study, Supports over 10 AP subjects

**Features:** macOS Compatibility

**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 LumiSource free?

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

### Which has better reviews, SAT Math Test Prep or LumiSource?

LumiSource is rated higher. SAT Math Test Prep averages 4.7 out of 5 from 144 ratings, while LumiSource averages 4.7 from 46 ratings.

### Do SAT Math Test Prep or LumiSource have ads?

Neither SAT Math Test Prep nor LumiSource shows ads.

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

SAT Math Test Prep ships an update every 12 months, and LumiSource every 3 months. Most recently, SAT Math Test Prep was updated on September 8, 2026 and LumiSource on September 23, 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.*