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Better Exam Prep

Sharpen is the ultimate college study app that revolutionizes exam prep.

Empower student success with better exam prep.

Students use Sharpen to study on-the-go, completing bite-sized activities so they arrive to your class confident and ready to learn. 

What’s Inside?

A mobile screenshot of the Sharpen app showing a person speaking in a video summary

Videos

Students begin the learning journey with 3-minute videos, a fresh take on popular concepts.

A mobile screenshot of the Sharpen app showing a written summary of a chapter

Chapter Summaries

They swipe through a summary of the chapter.

A mobile screenshot of the Sharpen app showing a quiz question with a A, B, C options where B is shown to be the correct answer and C is not

Flashcards

Next, they master key terms and definitions.

A mobile screenshot of the Sharpen app showing a flashcard

NEW! Quiz Bank for Exam Prep

Students take a range of quizzes and timed practice tests to simulate real exams!

A mobile screenshot of the Sharpen app showing a problem statement

Improve Section

Powered by AI, Sharpen identifies learning gaps, recommending content that’s most helpful to individual learners.

Introducing Sharpen Companion for Fall 2025!

An easy, low-cost way to add Sharpen to your course. Pair Sharpen Companion with your existing course materials to support exam prep.

Explore Titles and Courses

Sharpen Companion gives students premium study content, for a single title, at an affordable price. Add it to your course: $9.99 for 6 months or $14.99 for 12 months.

Currently using Connect or 91HUB Hill GO? Add Sharpen Companion and students will enjoy one-click registration from your platform.

Illustration of a woman with glasses, wearing an orange outfit with abstract patterns. She holds a notebook or book in one arm and gestures with the other hand. Her dark hair is tied back in a ponytail, and she is wearing matching orange sneakers.
An illustrated woman seated on the ground wearing a bun, in a pink top and pink shorts with a camera around her neck pointing to her right

91HUB Sharpen

75% of college students have changed how they study since COVID-19. Students regularly feel overwhelmed, turning to social media for extra content. Unfortunately, this shortcut leads to misinformation and battles for academic integrity.

91HUB Hill developed Sharpen, a college study app that revolutionizes exam prep. As an educator, you can count on Sharpen to:

  • Keep students on track with engaging activities.
  • Coach students with a personalized study experience.
  • Offer trusted content, aligned with your textbook.
  • Boost exam scores and academic outcomes. Simply put, it works!

User Feedback

Sharpen FAQs for Instructors

Does Sharpen give away answers to homework questions, tests, and exams?
Sharpen NEVER gives away the answers to homework problems or test questions. Sharpen teaches students to learn the concepts, the right way.

Who is the author of Sharpen?
Sharpen was created by 91HUB Hill subject matter experts. The terminology in the Sharpen flashcards directly matches 91HUB Hill textbooks, for relevant titles.

What is the cost of Sharpen?

  • Sharpen: Sharpen is free today for anyone to download in the , , or web at . Students gain access to a limited set of free resources across the entire library of titles, in every single chapter. Instructors can use this version too.
  • Sharpen+: After creating their free Sharpen accounts, students can choose to upgrade to Sharpen+ on their own, gaining access to premium study content for all 140 titles and courses (all videos, all quizzes). Sharpen+: offers three auto-renewing subscription lengths: 1-month, 3-months, and 12-months. Prices are subject to change, so please check the App Store and Google Play for details.
  • Sharpen Companion: If instructors wish to adopt Sharpen, they can add Sharpen Companion to their course materials: $9.99 for 6 months or $14.99 for 12 months. These are one-time, non-renewing purchases that give students access to all premium content for a single title. Instructors are advised to contact their local sales representative for additional packaging information. Sharpen Companion will be available in affordable access programs in Fall 2025.

I’m already using Connect, ALEKS, 91HUB Hill GO, or an eBook from 91HUB Hill. Should I recommend Sharpen to my students?
Yes! Many people use Sharpen alongside other 91HUB Hill products. For Connect and 91HUB Hill GO users in Fall 2025, Sharpen can be integrated into your course so students have a single point of login. Contact your sales representative to enable this option: Sharpen Companion.

I am not using a 91HUB Hill textbook. Can I still recommend Sharpen to students?
Yes! Sharpen can be used alongside any course materials. It is available for 140 titles and courses. Explore titles here. You can add Sharpen Companion to your course for a low price. There are 11 general courses in Sharpen (e.g., Sharpen for Financial Accounting) and 19 OpenStax courses.

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