# LumiSource vs AP Exam Practice

The clearest difference is in-app purchases: LumiSource at none against AP Exam Practice's 2. LumiSource also leads on ads (none vs shown). AP Exam Practice's advantage is iOS requirement (13.0 vs 15.0). On price, update cadence and device support there is nothing between them.

Both are free to download. AP Exam Practice sells 2 in-app purchases, starting at $3.99 per 7 days. LumiSource asks for nothing beyond the download.

LumiSource ships an update every 3 months, AP Exam Practice every 6 months. The most recent releases landed on October 20, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | LumiSource | AP Exam Practice |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (119 ratings)](https://appshunter.io/ios/app/lumisource-exam-prep/id6746340356/reviews)** | — |
| Number of ratings | **119** | — |
| Positive reviews | 93.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 months** | Every 6 months |
| Monetization | Free | — |
| Size | 81 MB | 46 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CaseHippo Inc](https://appshunter.io/developer/1551575873) | [Zakaria Ferzazi](https://appshunter.io/developer/1801741449) |

## What reviewers say

### LumiSource

[App page](https://appshunter.io/ios/app/lumisource-exam-prep/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, Vision Pro support

**In-app purchases:** none


### AP Exam Practice

[App page](https://appshunter.io/ios/app/ap-exam-practice/id6748653766)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $3.99 | per 7 days |
| Yearly Premium | $24.99 | per year |


## Frequently asked questions

### Is LumiSource free?

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

### Is AP Exam Practice free?

AP Exam Practice is free to download, with in-app purchases available.

### Do LumiSource or AP Exam Practice have ads?

AP Exam Practice shows ads; LumiSource does not.

### Which is updated more often, LumiSource or AP Exam Practice?

LumiSource ships an update every 3 months, and AP Exam Practice every 6 months. Most recently, LumiSource was updated on October 20, 2026 and AP Exam Practice on September 30, 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.*