LumiSource: Prep Hubs

Name: LumiSource: Prep Hubs
Rating: 4.7 (49 reviews)
Author: CaseHippo Inc

By: CaseHippo Inc

Crush the SAT & your AP exams

Features & Capabilities

Crush your AP exams and the SAT with LumiSource, your all-in-one review hub.

Whether you're reviewing last-minute or planning ahead, LumiSource helps you prep faster and smarter with:

Study Guides: condensed, high-yield content made for rapid review Practice Questions: realistic questions with detailed answer breakdowns SAT Prep: targeted review and practice to help you boost your score Mobile-optimized: study anywhere, anytime

Now supporting the SAT and 22 AP courses. Start reviewing today with LumiSource.

User Growth & Download Statistics

App

By:

CaseHippo Inc

Rating:

4.70

(49)

Version:

3.0 Last updated: 2026-06-09

Version code:

886649553

Creation date:

2025-06-06

Compatible devices:

Size:

698.61MB

URLs:

Full description:

Source:

Apple Apps Store

Data ingested on:

2026-06-29

Compare stats and ranking:

Ranking

# 197,192 ▼ 442

For Developers

Monetize with App Pass Boost with Extension Booster

Contact the developer

Chrome-Stats does not own this Apple app. Please use these information below to contact the Apple app developer.

Developed by:

CaseHippo Inc

Apple Apps Store

https://apps.apple.com/us/app/lumisource-prep-hubs/id6746340356

User Reviews

LumiSource is praised for being free, ad-free, and easy to use, with a broad set of AP study materials and practice questions that many users credit for exam prep success. Reviewers highlight the accessible UI and vast content across AP subjects as strengths. However, several reviews note content gaps: many APs aren’t available yet or opened. Some also want features from the website in the app, such as in‑app definitions or explanations. Overall it’s a strong, free study tool with room to expand coverage and align features with the site.

Pros

Free to use with no ads
Easy-to-use, user-friendly UI
Immense amount of AP study material across many subjects
Includes practice questions and study guides
Highly effective for AP exam preparation

Cons

Incomplete AP coverage; many APs not yet available
Some website features (in-app definitions and explanations) are missing in the app
Some APs are not open or accessible in the app yet

Recent reviews

The app is easy to use and I would use it if they didn’t have you study for information that you don’t don’t to know. Wasted my time learning about things I didn’t even need to know for the exam.

by Ic*****, 2026-05-04

When I first got the app I thought it was have a subscription or ads, but it had neither. This is very surprising for the amount of content that they have and how easy it is to use the UI. Sadly they’re missing about half the AP’s and the app has a hard time sinking data. Honestly tho, it’s a great app and so far has been great to use for the Ap exams. I highly recommend it, good job devs on making this and thank you for making it free (like genuinely thank you, you saved me soo much study time)

by Ja*****, 2026-04-27

One of the best apps I’ve used for studying, has zero ads and isn’t promoting a special subscription every couple minutes. Genuinely amazing, contains immense amounts of study material for all sorts of ap classes! 10/10 definitely recommend