Sharpen
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Analysis by LookedApp · Published · Updated
Sharpen is a college study application developed by McGraw-Hill designed to enhance exam preparation through personalized, AI-driven recommendations. It offers a variety of study tools, including quizzes, flashcards, and bite-sized videos, all aligned with college textbooks. The app is particularly suited for college students seeking structured, expert-verified content to improve their understanding and readiness for academic assessments.
What is Sharpen?
Sharpen is a mobile application focused on college exam preparation, aiming to provide a more effective study experience for students. It functions by assessing a user's current knowledge base, pinpointing specific areas where improvement is needed, and then generating tailored, AI-powered study recommendations to boost their preparedness for exams.
The application is published by McGraw-Hill, a well-known educational content provider, and is available for download on both major mobile platforms. Users can find Sharpen on the Google Play store, where it is listed under the developer McGraw-Hill Global Education, and on the App Store, where it is listed under the developer McGraw-Hill. This broad availability ensures that a wide range of students can access its study resources.
Sharpen integrates various learning modalities, such as multiple quiz modes, digital flashcards, concise video lessons, and chapter summaries. All of its content is designed to align seamlessly with college textbooks, specifically those from McGraw Hill and OpenStax. A notable feature is 'Ask Sharpen,' an AI study companion that can delve into topics and create new study content based on user queries, providing a dynamic and interactive learning experience.
Latest on Sharpen
Is this the real Sharpen app?
- Verified publisher infoSame developer on Google Play and the App Store (McGraw-Hill Global Education), and the developer website mheducation.com matches the publisher.
| Developer on Google Play | McGraw-Hill Global Education |
|---|---|
| Developer on the App Store | McGraw-Hill |
| Same developer on both stores | Yes |
| Android package name | com.mheducation.redi |
| iOS bundle ID | com.mhe.redi |
| On the stores since | Oct 3, 2022 |
| Installs on Google Play | 100,000+ |
| Developer website | mheducation.com |
| Content rating | Google Play: Everyone 10+ / App Store: 12+ |
These details come from the public store listings. LookedApp doesn't host downloads: install from the Google Play or App Store buttons on this page.
Key features
- Ask Sharpen utilizes an AI engine to provide deep-dives into topics, link to related study activities, and generate new learning content based on user queries.
- The 'Improve' feature offers AI-driven insights into a user's strengths and knowledge gaps, along with personalized study recommendations derived from past sessions.
- A comprehensive Quiz Bank includes thousands of questions across three modes: basic, advanced, and exam.
- The app provides exam-like questions, including fill-in-the-blank, multiple choice with images, standard multiple choice, and single choice formats.
- An Exam Timer is integrated to simulate authentic exam environments, helping students practice time management.
- Content includes bite-sized videos that explain key concepts concisely, flashcards for learning key terms from textbooks, step-by-step practice problems for reinforcement, and visual chapter summaries for better retention.
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Privacy and permissions
The Google Play listing for Sharpen, developed by McGraw-Hill Global Education, and the App Store listing, developed by McGraw-Hill, do not explicitly detail specific permissions the app requests from user devices. Information regarding how personal data is collected, processed, or shared is not comprehensively outlined in the store descriptions.
The store listings do not include a direct link to a comprehensive privacy policy document at the time of review. While the App Store listing mentions 'Terms of Use' via a URL, explicit details on data handling, security measures, and user data rights are not immediately visible within the App Store listing.
Sharpen permissions in plain English
The Google Play listing shows 5 permission groups. Google Play also lists 6 other permissions, such as “view network connections”. That is more than most games & learning apps LookedApp reviews (typical: 1).
- Device ID & call informationCan read your device ID and call status
- PhoneCan read phone status or make calls
- Photos/Media/FilesCan read and change your photos, media and files
- StorageCan read and change files in shared storage
- Wi-Fi connection informationCan see Wi-Fi connection details
The App Store privacy label lists these data types:
- Used to track you: Contact Info, Identifiers, Usage Data
- Linked to you: Contact Info, Identifiers, Usage Data, Diagnostics
Permission names come from Google Play; the plain-English lines describe what each permission group allows, not how this app uses it.
Sharpen at a glance
| Developer | McGraw-Hill |
|---|---|
| Category | Education |
| Rating on App Store | 4.7 out of 5 (3.3K ratings) |
| Rating on Google Play | 4.3 out of 5 (944 ratings) |
| Price | Free |
| Age rating | 12+ |
What changed in the latest Sharpen version
App Store · Version 4.4.2, released Oct 14, 2026
The release notes are general and don't list specific changes:
“Bug fixes & optimizations”
Google Play · Listing updated Oct 6, 2026
The release notes are general and don't list specific changes:
“Improvements to the experience and bug fixes”
Quoted from the store listings' release notes.
Pricing
Sharpen is presented as a complimentary application on both major mobile platforms. On the Google Play store, the application is listed with a price of $0.0, indicating it is available without an upfront cost. Similarly, on the App Store, the price is stated as "Free."
The store listings do not specify if there are any in-app purchases, subscription models, or premium features that might require payment within the application after installation. The store listings suggest that the core functionality of Sharpen is accessible without a monetary charge at the point of acquisition.
Sharpen compared with similar apps
| App | Rating | Installs | Price |
|---|---|---|---|
| 4.7 | – | Free | |
| 4.5 | – | Free | |
| 4.3 | – | $6.99 | |
| 4.6 | – | Free |
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How to get Sharpen safely
Individuals can download Sharpen from reputable sources such as the Google Play store or the Apple App Store. It is important to verify that the app is published by the correct developer, McGraw-Hill Global Education on Google Play, or McGraw-Hill on the App Store, to help avoid counterfeit or malicious versions.
Downloading from unofficial third-party websites, APK mirror sites, or modified versions is not recommended, as these sources may pose security risks. Reviewing any permissions requested by the app is advisable, although specific permission details are not provided in the store listings, to understand what device functionalities the application may access.
How to install Sharpen
On Android (Google Play)
- Open the Google Play Store app on your Android phone or tablet.
- Search for Sharpen, or use the Google Play button on this page to open the listing directly.
- Check that the developer under the app name is McGraw-Hill Global Education.
- Check that your device meets the listing's requirement: Android 8.0 and up.
- Tap Install (or the price, for a paid app) and wait for the download to finish, then open the app from your home screen.
- The listing shows in-app purchases, so review any purchase prompts before you confirm.
On iPhone and iPad (App Store)
- Open the App Store on your iPhone or iPad.
- Search for Sharpen, or use the App Store button on this page to open the listing directly.
- Check that the developer under the app name is McGraw-Hill.
- Make sure your device has iOS 17.0 or later and about 193 MB of free space, as the listing states.
- Tap Get (or the price), confirm the download, then open the app from your home screen.
- The listing shows in-app purchases, so review any purchase prompts before you confirm.
Sharpen version and app details
| Google Play | App Store | |
|---|---|---|
| Latest version | – | 4.4.2 |
| Last updated | Oct 6, 2026 | Oct 14, 2026 |
| First released | Oct 31, 2022 | Oct 3, 2022 |
| Package name | com.mheducation.redi | – |
| Bundle ID | – | com.mhe.redi |
| Requires | Android 8.0 and up | iOS 17.0 or later |
| Download size | – | 193 MB |
| Content rating | Everyone 10+ (In-App Purchases) | 12+ (Infrequent/Mild Sexual Content and Nudity; Infrequent/Mild Medical/Treatment Information) |
| In-app purchases | Yes ($17.99 - $89.99 per item) | Yes |
| Contains ads | No | – |
| Languages | – | 1 (including English) |
| Developer | McGraw-Hill Global Education | McGraw-Hill |
Who Sharpen is for
Sharpen is specifically designed for college students who are preparing for exams and seeking to enhance their understanding of course material. The app's focus on assessing knowledge, identifying gaps, and providing personalized study recommendations makes it suitable for students who benefit from structured and adaptive learning approaches.
The application caters to individuals utilizing McGraw Hill Textbooks and OpenStax Textbooks across a wide array of disciplines, including Accounting, Algebra, Anatomy & Physiology, Biology, Chemistry, Economics, Engineering, Psychology, and Spanish, among others. Its content, built by McGraw Hill subject matter experts, makes it particularly beneficial for students whose curricula align with these materials and who appreciate expert-verified educational resources.
Sharpen for kids and families
- Age rating: Google Play rates it Everyone 10+ (In-App Purchases); the App Store rates it 12+ (Infrequent/Mild Sexual Content and Nudity; Infrequent/Mild Medical/Treatment Information).
- In-app purchases: Google Play: yes ($17.99 - $89.99 per item); App Store: yes.
- Ads: the Google Play listing says the app does not contain ads.
- Data safety (Google Play): The developer says the app may collect Location, Personal info and 4 others. No data shared with third parties. Data is encrypted in transit. You can request that data be deleted.
Store age ratings describe content, not whether an app suits a particular child. To limit downloads and purchases on a child's phone, see how to set up parental controls for app downloads.
Pros
- Provides AI-driven insights and personalized study recommendations to target knowledge gaps effectively.
- Offers a diverse range of study tools, including multiple quiz modes, flashcards, bite-sized videos, and step-by-step practice problems.
- Content is built by McGraw Hill subject matter experts and is aligned with established college textbooks.
- Includes an Exam Timer feature to help students simulate exam conditions and manage their time during practice.
- Covers a broad spectrum of college disciplines, making it versatile for many academic paths.
Cons
- The study content is specifically aligned with McGraw Hill and OpenStax textbooks, which may limit its utility for students using other publishers' materials.
- The store listings do not explicitly detail the app's data privacy practices or the specific permissions it requests.
- There is no explicit mention of features for collaborative study or user-generated content sharing, which some students might seek in a study aid.
- The store listings do not indicate whether the application offers full offline access to all its features and content.
Sharpen: frequently asked questions
Is Sharpen available without cost?
Yes, Sharpen is listed as $0.0 on Google Play and "Free" on the App Store, indicating it can be acquired without an upfront payment.
Which mobile platforms support Sharpen?
Sharpen is available on both Google Play and the App Store, making it accessible to users of Android and iOS devices.
Who is the developer of the Sharpen app?
The application is developed by McGraw-Hill Global Education for Google Play and McGraw-Hill for the App Store.
What kind of content does Sharpen offer?
Sharpen provides quizzes, flashcards, bite-sized videos, chapter summaries, and practice problems, all aligned with college textbooks from McGraw Hill and OpenStax, and covers numerous disciplines.
What is the content rating for Sharpen?
On Google Play, Sharpen has a content rating of "Everyone 10+", and on the App Store, it is rated "12+".
When was Sharpen last updated?
According to the App Store listing, Sharpen was last updated on 2026-10-01.
Sharpen
- Category
- Education
- Version
- 4.4.2
Download
Looking for the Sharpen website or sign-in? Go to mheducation.com →The developer's website, as given on the store listing.
Sharpen ratings breakdown
Google Play 4.3 average from 944 ratings
- 574%
- 49%
- 34%
- 21%
- 113%
App Store 4.7 average from 3,277 ratings
- 584%
- 49%
- 33%
- 21%
- 13%
Share of ratings for each star level, as shown on the listings, as of Oct 15, 2026.


