Comparison

Spacify vs Memoo

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

Head to head
About

Spacify

This app helps you retain information by creating smart flashcards. It uses a scientifically proven spaced repetition algorithm to optimize memorization and offers a minimalist design to minimize distractions. Learn and remember anything, from vocabulary to complex facts, with this efficient study tool.

Highlights
  • Create smart flashcards
  • Spaced Repetition algorithm
  • iCloud sync & backup
  • Minimalist design
  • Rich text editor
  • Offline and online functionality
Features
Read full description

Spacify turns study time into memories that stick — whether you're learning vocabulary, historical dates, law paragraphs, medical definitions, or formulas. Highlights: • Adaptive spaced repetition, built on decades of memory research — 30% fewer reviews for the same recall • Fill-in-the-blanks cards: hide any word, image, or formula — each blank is reviewed on its own schedule • Home Screen widgets show your due cards and streak at a glance • Daily-digest reminders • LaTeX formula rendering for beautifully typeset math, chemistry and equations • Insert pictures from your camera or photo library • Tags for topic-specific reviewing (Pro) • Already have cards in Google Sheets? Paste the link, study in seconds • iCloud sync & backup across all your devices • Rich text editor, Dark Mode, works offline and online • No limits on number of cards you can create Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Memoo

Enhance your memory and learning speed with a scientifically-backed spaced repetition system. Create and study flashcards efficiently across multiple devices, even offline. Features include a smart algorithm, cloud syncing, and custom math formulas.

Highlights
  • Spaced repetition learning technique
  • Flashcard-based information processing
  • Cross-device study and learning
  • Smart algorithm for timely card display
  • Cloud auto-syncing of data
  • 100% offline functionality
  • Customizable math formulas
Features
Read full description

Remember more with flashcards scheduled around your learning. Memoo combines spaced repetition with a focused card workflow, helping you spend study time on the material that is ready for review. Start as a guest, create your first deck, and protect your progress with an account whenever you choose. STUDY AT THE RIGHT TIME • Spaced repetition schedules cards for future review. • See what is ready from the Home screen. • Grade each answer so the schedule adapts to your learning. • Choose a review-reminder time and get notified when cards are due. CREATE CARDS YOUR WAY • Build decks and cards manually. • Add images to either side of a card. • Generate draft cards from an image or PDF, then review them before saving. • Import supported text and flashcard formats. • Add dynamic math expressions that calculate and display results inside cards. DISCOVER USEFUL DECKS • Browse the Memoo Catalog by subject. • Search, preview, and import approved public decks for free. • Every import becomes your own independent, editable copy. • Share a stable link or submit a deck for public discovery after protecting your account. LEARN WITH OR WITHOUT A CONNECTION Create, edit, and study decks already available on your device while offline. Changes synchronize after you reconnect. Online services such as the Catalog, AI generation, account access, purchases, feedback, and publishing require an internet connection. PROTECT YOUR PROGRESS You can begin without permanent registration. Link Apple, Google, or email later to protect eligible decks and progress and access them on other supported devices. SEE HOW YOU ARE DOING Review session summaries, study totals, streaks, and learning insights. Optional Memoo Pro access unlocks premium AI and advanced statistics shown in the app. Manage your plan, restore purchases, export data, send feedback, and delete guest data or your registered account from Settings. Privacy Policy: https://memoo.app/privacy/ Terms of Use: https://memoo.app/terms/

Screenshots

Spacify4 screens
Memoo4 screens

Verdict

The call

The clearest difference is review sentiment: Spacify at 86% against Memoo's 54%. Memoo's advantage is iOS requirement (16.4 vs 18.0). On price, update cadence, ads and in-app purchases there is nothing between them.

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Spacify sells 3 in-app purchases, starting at $2.99 per month and Memoo sells 10 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

Scorecard2 real differences · 8 level
Spacify versus Memoo: the parameters behind the verdict, then further details
ParameterSpacifyMemoo
PriceFreeFree
Rating—4.3 (51 ratings) — better
Positive reviews85.7% of reviews — better53.8% of reviews
Number of ratings—51 — better
Update frequencyEvery 3 weeksEvery 3 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.016.4 — better
Further details — not scored
Size38 MB80 MB
Age rating4+4+
DeveloperDenis SemenovAndreu Pifarre

Customer experience

Spacify

Written reviews14 reviews
Positive85.7%
Neutral7.1%
Negative7.1%

Memoo

All ratings51 ratings
Positive82.4%
Neutral3.9%
Negative13.7%
Written reviews52 reviews
Positive53.8%
Neutral15.4%
Negative30.8%

In-app purchases

3 purchases

Spacify

Subscriptions3
  • Monthly Subscription$2.991 Month
  • 3 Months Subscription$2.993 Months
  • Annual Subscription14 Days trial$19.991 Year
10 purchases

Memoo

Subscriptions5
  • Memoo Plus (1 Week)7 Days trial$2.997 Days
  • Memoo Plus (1 Month)7 Days trial$4.991 Month
  • 50% Off Memoo Plus$19.991 Year
Show 2 more
  • Memoo Premium (1 Year)$29.991 Year
  • Memoo Plus (1 Year)7 Days trial$39.991 Year
One-time5
  • LifetimeFree
  • Capitals of the World$0.99
  • Presidents of the USA$0.99
Show 2 more
  • English Irregular Verbs$0.99
  • Lifetime 90% Off$9.99

Questions

Is Spacify free?
Spacify is free to download, with in-app purchases available.
Is Memoo free?
Memoo is free to download, with in-app purchases available.
Do Spacify or Memoo have ads?
Neither Spacify nor Memoo shows ads.
Which is updated more often, Spacify or Memoo?
Spacify ships an update every 3 weeks, and Memoo every 3 weeks. Most recently, Spacify was updated on November 2, 2026 and Memoo on November 3, 2026.

Other comparisons