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Courses · Lifetime deal

Sharp

Mobile learning app with five-minute lessons across 24 subjects, with quizzes and streaks.

  • Sold by StackSocial
  • External lifetime deal
  • On GrabLTD since
  • Last checked against its sources
  • Learning app
  • Microlearning
  • Mobile app
  • Quizzes
  • Self-study
Sharp

Sharp at a glance

Platform
iOS, Android
Support
The page gives no vendor support details, only StackSocial's general contact links.
Note
Lifetime access for up to 4 devices per account. Available to new and existing users. Updates are included.
Updates
Included

Our take

Is Sharp worth buying?

Based on the StackSocial listing, this is a lifetime license for a newly launched mobile learning app. It offers short lessons across 24 subjects and works on up to 4 devices. The 30-day redemption window and store-credit-only refund are worth noting.

GrabLTD editors,

Good fit if

  • You want short daily lessons on your phone.
  • You like streaks and challenges as motivation.
  • You want to avoid another monthly learning subscription.

Skip it if

  • You want long courses, certificates or a desktop app.
  • You cannot redeem within 30 days of purchase.

Which Sharp plan do you need?

Prices in USD, excluding tax.

Sharp one-time plans on StackSocial, checked
Lifetime deal
One-time price$49.99
Regular price (StackSocial)$119.99
You save$70
Devices per accountUp to 4
Subjects24
PlatformsiOS, Android
UpdatesIncluded

Before you buy: StackSocial's terms and extra costs

  • Refund. Unredeemed licenses can be returned for store credit within 30 days of purchase. Once redeemed, all sales are final.
  • Redeem. Redeem within 30 days of purchase. You need a free Sharp account and an internet connection.
  • Support. The page gives no vendor support details, only StackSocial's general contact links.
  • Platform. iOS 15.0 or later, or Android 7.0 or later. About 150 MB of free storage recommended.
  • Note. Lifetime access for up to 4 devices per account. Available to new and existing users. Updates are included.

What is Sharp?

Sharp is a mobile learning app built around five-minute lessons with quizzes and instant feedback. The listing names 24 subjects, from math and computer science to personal finance and history, with guided paths from beginner to advanced. Streaks, XP and challenges keep you coming back. The deal is a lifetime subscription for up to 4 devices per account.

What Sharp says it does

  • 24 subjects, with Sport and Physics planned (Sharp's figure)
  • Five-minute lessons with instant feedback on every answer
  • Offline lesson downloads
  • Lifetime access on up to 4 devices per account

Why Sharp

It turns spare minutes into short structured lessons instead of scrolling, and replaces a monthly learning subscription with one payment. The app is described as just launching, so the course library and features may still change.

How does Sharp work?

  1. Create an account

    Sign up for a free Sharp account.

  2. Redeem the code

    Redeem your StackSocial license within 30 days of purchase.

  3. Pick a subject

    Choose a subject and set your learning goals.

  4. Learn in short lessons

    Finish a lesson and quiz, and build streaks and XP.

Then it handles:

  • Short lessons across 24 subjects
  • Guided paths from beginner to advanced
  • Quizzes with instant feedback
  • Streaks, XP and daily goals
  • Offline lesson downloads
  • Friend leaderboards

Who is Sharp for?

Built for

  • Self-learners with only a few minutes at a time
  • People who want a habit-style learning app
  • Buyers who want one payment instead of a monthly fee

Not for

  • Anyone without an iPhone or Android phone
  • People who want long-form video courses or certificates
  • Anyone unsure about a newly launched app

What is included in Sharp?

Learning content

  • 24 subjects Math, Engineering, Finance, History and more
  • Guided learning paths beginner to advanced
  • Five-minute lessons with quizzes
  • Offline downloads

Habit and challenge features

  • Streaks, XP and daily goals
  • The Climb 15-rung ladder, one wrong answer ends the run
  • Gauntlet challenges
  • Friends and weekly leaderboards

Video review

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Sharp questions

What is Sharp?

A mobile app of five-minute lessons and quizzes across 24 subjects, with streaks, XP and challenges.

Which devices does it run on?

iOS 15.0 or later and Android 7.0 or later. The page does not list a desktop or web version.

How many devices can I use?

Up to 4 devices per account, according to the listing.

Can I learn offline?

Yes. The listing says you can download lessons ahead of time.

Is the library finished?

The page describes the app as just launching and says new subjects are added over time, with Sport and Physics planned.

What is the refund policy?

Unredeemed licenses can be returned for store credit within 30 days. Once you redeem, all sales are final.

Often compared with

These are other tools in the same space, not deals on GrabLTD.

  • Brilliant
  • Duolingo
  • Khan Academy
  • Mimo
  • Coursera

Sources

Checked . Prices and terms on this page come from: