Comparison

Contrast Cards & Patterns vs Hey Memora

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Contrast Cards & Patterns

Features
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Watch your baby's sight develop, from the first contrasts to a world of color. Did you know that newborns see the world as a blurry place with high-contrast shapes? Contrast Cards & Patterns is the only visual development app that grows alongside your child's biological vision. Over 100 scientifically inspired patterns support focus and visual attention, month by month. THE DEVELOPMENTAL ROADMAP Six stages that match your infant's growing vision and brain development: - Month 0-1: Simple Black & White shapes for initial focus and tracking. - Month 1-2: Complex B&W patterns to increase attention span. - Month 2-3: The first perceivable colors: Red & Yellow. - Month 3-4: High-contrast color patterns as Green joins the palette. - Month 4-5: Dynamic, full-color patterns once Blue becomes visible. - Month 5-6: Detailed everyday scenes for depth perception and recognition. WHY PARENTS LOVE IT - Baby Vision Simulator: Point the camera at the room and see it through your baby's eyes. Move the slider through the months and watch vision develop. - Guided Eye Gym: Coached sessions of two to three minutes: the app sets the distance and the pace, and pauses the moment your baby locks onto the pattern. - 100+ High-Contrast Flashcards & Growing: New contrast cards and designs are added regularly. - Child-Safe Screen Lock: Activate the lock so your little one cannot swipe or close the app by accident. - Automatic Slideshow Mode: Sit back and let the app turn the cards during daily Tummy Time and sensory play. - Dark Mode: Gentle on the eyes for evening use or low-light environments. - Print at Home (PDF Export): Part of the one-time bundle purchase. Download all 100+ designs as a PDF and print them for the nursery or the changing table. - No Subscription, Ever: A one-time purchase, never a recurring plan. No banner ads, no account needed, and the cards themselves work without an internet connection. GUIDED EYE GYM SESSIONS Contrast cards work best when you use them deliberately instead of just holding them up. A guided session walks you through two to three minutes: it tells you how far to hold the phone, sets the pace with a moving dot, and pauses at the moment that counts, when your baby's gaze settles on the pattern. Spoken prompts can read every step aloud, and you can start a session in every age group right away - locked stages run with that stage's free cards. DESIGNED FOR YOUR NEWBORN'S FIRST YEAR Inspired by Montessori principles, every pattern supports cognitive development during your baby's most critical visual growth phase (0-6 months). Whether you use it during tummy time, feeding breaks, or quiet play, this app turns screen time into meaningful infant stimulation. TWO WAYS TO UNLOCK EVERYTHING a one-time In-App Purchase - never a subscription - unlocks the full library and the PDF export, or you unlock every stage for free by watching a few short rewarded ads. Each age group starts with three free cards, so you can try every stage before you decide. Give your baby a clearer view of the world. Download today for free!

About

Hey Memora

Features
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Turn each lecture into flashcards the same day. Paste your notes, or import a lecture PDF, a link or a photo of a slide (Pro). Hey Memora drafts the cards with AI, you edit them, and spaced repetition brings each one back at the right time. Built for med students, from preclinical blocks to rotations. HOW IT WORKS 1. Add your notes, a lecture PDF, a link or an image 2. Edit the cards Hey Memora drafts 3. Review one card at a time. Think first, then reveal 4. Come back to what's due each day MADE FOR LECTURE LOAD • Cards from your own material, the same day you learn it • Test yourself instead of rereading • A small deck per block, organized by subject • Progress from your review history, with no pressure and no guilt PLANS • Free: 20 AI cards a day, text input, plus one free try of PDF, link or image import • Pro: 200 cards a day, all input types (text, URL, PDF, image), unlimited decks • Premium: our highest daily limit, all features, priority support The annual plan includes a 7-day free trial. Hey Memora works alongside the decks you already use. It's for the lecture material that's yours alone. Available on iOS and Android. Privacy Policy: https://heymemora.app/privacy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Contrast Cards & Patterns4 screens
Hey Memora4 screens

Verdict

The call

The clearest difference is ads: Hey Memora at none against Contrast Cards & Patterns's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

Both are free to download. Contrast Cards & Patterns sells 3 one-off in-app purchases and Hey Memora sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Contrast Cards & Patterns ships an update every 2 weeks, Hey Memora fortnightly. The most recent releases landed on September 10, 2026 and October 31, 2026 respectively.

Scorecard1 real difference Ā· 5 level
Contrast Cards & Patterns versus Hey Memora: the parameters behind the verdict, then further details
ParameterContrast Cards & PatternsHey Memora
PriceFreeFree
Update frequencyEvery 2 weeks — betterFortnightly
AdsYesNo — better
In-app purchasesYesYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.615.1 — better
Further details — not scored
Size64 MB62 MB
Age rating4+4+
DeveloperNancy BullmannLucas Oliveira

In-app purchases

3 purchases

Contrast Cards & Patterns

One-time3
  • Wunderblick - Print$0.99
  • Wunderblick - Premium$2.99
  • Wunderblick - Bundle$4.99
2 purchases

Hey Memora

Subscriptions2
  • Memora Pro$4.991 Month
  • Memora Pro7 Days trial$39.991 Year

Questions

Is Contrast Cards & Patterns free?
Contrast Cards & Patterns is free to download, with in-app purchases available.
Is Hey Memora free?
Hey Memora is free to download, with in-app purchases available.
Do Contrast Cards & Patterns or Hey Memora have ads?
Contrast Cards & Patterns shows ads; Hey Memora does not.
Which is updated more often, Contrast Cards & Patterns or Hey Memora?
Contrast Cards & Patterns ships an update every 2 weeks, and Hey Memora fortnightly. Most recently, Contrast Cards & Patterns was updated on September 10, 2026 and Hey Memora on October 31, 2026.

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