Remember Things Forever

The ultimate solution to simple and efficient memorization

Online Spaced Repetition Flashcards

Includes cards for all countries and capitals of the world!

Testimonials

"I can't tell you how much I love your application. I use it constantly. I’m trying to learn one new thing every day, and I think it’s working. I’m using it for everything!"
- Paul Nixon, Managing Director
"It has been a great pleasure using your app to learn my WSC subjects. I sincerely thank you for the excellent work you've done in assisting people to learn effectively and efficiently. May your company continue to flourish and assist more people in their learning."
- Muhammad Rafi Permadi, Student

What is Spaced Repetition?

Forgetting Curve

The Forgetting Curve

Humans forget newly learned material in a matter of days (red curve) unless reviewed from time to time (red arrows pointing up).

Repeating reviews has the effect of slowing down the rate at which you forget (green curves).

Wikipedia 

Spacing Effect

Humans remember things more effectively when reviews are spread out over time than when reviewed many times in a short period of time.
Wikipedia .

Spaced Repetition

Spaced repetition is a learning technique in which items are reviewed in increasing intervals of time to make maximum use of the spacing effect so that they can be remembered effectively and efficiently. It is known to be especially well suited for memorizing huge amounts of material and keeping them indefinitely in memory.
Wikipedia .

Features

Your Performance at a GlanceNEW !

See how well you're keeping up with your reviews at a glance with various statistical charts.

Review Heatmap Calendar Remaining Cards History Chart Overdue Cards Pie Chart Effect of Delay on Retention Rate Chart

Simple

No installation. No synchronization between devices. Directly access your cards from a browser on an Android, iPhone, tablet, Mac, or PC.

Memorize Anything

Create your own decks to memorize anything from foreign languages to maps and chemical symbols. Or simply select a deck from the official decks list, which includes decks for the world map, Japanese Kanji, and more.

Memorize Anywhere, Any Time, from Any Device

The key to memorization is repetition. Use your smartphone or laptop to review your cards in your spare time anywhere, any time.

Spaced repetition statistics on desktop Spaced repetition on smartphone

Memorize "Super" Efficiently

With Spaced Repetition, you spend time reviewing items that need it, not on the ones you have memorized. Efficiency by spending the minimium time required to keep things memorized is crucial when memorizing huge amounts of information, in areas such as:

  • Medical exams such as MCAT and USMLE
  • Law exams such as LSAT and bar exams
  • Accounting certifications such as CPA and CMA
  • Language proficiency tests such as TOEFL and IELTS

Memorize by Writing

Handwritten answer Handwrite your answers directly on screen to precisely test your memory and to help you memorize better. Keyboard input is also supported.

Memorize Maps and Pictures

Card with image Add images to your cards to memorize maps, pictures, and drawings. Create links to images on external sites or upload your own images.

Format Content as You Wish

Card with superscript and subscript Card content recognizes Markdown, a simple yet powerful markup language, allowing you to create cards with links and text formatting..

Multiple-choice cards can also be created in addition to standard frontside-backside cards.

Create Cards with Ease

Import cards with CSV file

Creating cards may take time. If you have cards in another system or wish to create cards with other software such as Google Spreadsheet or Excel, simply import them as a CSV file.

Keep up with your Reviews by Receiving Notifications

Receive notifications when you have cards due for review by setting the time of day at which you wish to be notified.

Ace Your Exams

Do last-minute reviews immediately before exams using a special mode for reviewing only the worst-performing cards.