Biology · Focus deck01 / 100
Which organelle is known as the powerhouse of the cell?
Recall before reveal100 subjects · a new prompt every 2½ minutes The focused flashcard app
Focus deeper.Remember longer.
Create, import and study flashcards with Retivio. Build better decks faster, review at the right time and keep what you learn.
- Free to get started
- No credit card required
- Study on any device
7-day rhythm
Recall improving
How Retivio works
From blank page to lasting knowledge.
Build a deck, start a focused review and let Retivio guide what comes next.Step 01Create
What do you want to remember?
Build your first deck
Create cards manually, import your notes or use Retivio AI to build useful study material faster.
Step 02Focus
Study without distractions
Work through clean study sessions and focus on the knowledge that needs your attention.
Step 03Retain
84%
Keep improving
Use Smart Study, planning and progress insights to build stronger recall over time.
Study your way
Four ways to make knowledge stick.
Choose a study mode to try a real example, from a quick review to active recall with your voice.Live example · Flashcards
Think first. Then reveal.
Try to recall the answer before revealing it, one simple interaction that keeps attention on the card.Example card 1 of 1Biology · Cell structure01 / 01
Which organelle is known as the powerhouse of the cell?
A deck made with you
Not just generated. Guided by you.
Reti asks the useful questions before it builds—so the difficulty, coverage and wording feel right from the very first card.
01
Start naturallyDescribe what you want to learn in your own words.
02
Shape the approachReti checks your level and learns the style you prefer.
03
Review the finished deckNothing is saved until you are happy with it.
Try Ask Reti Explore the journey
Use the four steps in the preview.
Use the four steps in the preview.
Ask RetiYour conversational study assistant
Reti
Let’s find the right place to begin.
Tell me what you are preparing for, and I’ll shape the deck around it.
From screen to paper
Study online.
Practice offline.
Good learning goes with you. Take your Retivio deck off-screen, with thoughtful printables made for real revision.
Choose your printable
Your questions. Your answers. Beautifully printed.
YOUR DECK, ON PAPER
PRINTABLE FLASHCARD · CARD 03READABLE DETAIL
FIFA WORLD CUP / QUESTION03
In which year was the first men’s FIFA World Cup held?
Think first. Turn over when ready.
Question side
8 pocket cards per A4 sheetMatching fronts and backs for double-sided printing.
The Retivio Store
Find a deck. Start studying sooner.
Browse ready-made decks, add one to your library and begin a focused review straight away.Recommended for you
GCSE Biology · AQACell Structure Essentials
Popular in History48 concise cards covering organelles, microscopy and specialised cells.
Included with ProGCSE History · EdexcelFrench Revolution Key Dates
Prepare next60 verified cards connecting pivotal dates, people and consequences.
Included with ProGCSE Chemistry · OCRAtomic Structure
42 verified cards covering particles, isotopes and electronic structure.
Included with ProPlans that grow with you
Simple, flexible pricing
Start free and upgrade when you're ready.Free plan
Start learning today
£0
Everything you need to build a focused study routine.
- Create up to 5 decks
- 200 personal flashcards
- 5 Retivio AI generations/month
- Up to 20 cards per manual import
- Core study tools
The complete experience
Study without limits
£2.99/month
More freedom, faster creation and deeper study insights.
- Unlimited folders, decks & flashcards
- 100 Retivio AI generations/month
- Up to 100 AI cards at once
- Up to 200 cards per manual import
- Smart Study
- Premium Retivio decks
- Advanced progress insights
- Full premium experience
Built for the moment it clicks
One card becomes an answer.One answer becomes knowledge you keep.
Create with intention, practise in the way that suits you and return when it matters.
That is the Retivio rhythm.
Start a better study rhythm