Comparison

Flashcards by NKO vs Deck

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

Head to head
About

Flashcards by NKO

Create and share rich flashcards with images, or download millions from a vast library. Engage with study games and a Spaced Repetition System to enhance learning and track progress.

Highlights
  • Create rich text flashcards with images
  • Download millions of pre-made flashcards
  • Engaging study and testing games
  • Spaced Repetition System (SRS)
  • Class management tools for teachers
  • Share decks via folders, email, or iTunes
  • Offline text-to-speech support
Features
Read full description

Flashcards by NKO is an engaging educational solution for students and teachers worldwide. Looking for a powerful and easy-to-use flashcards app to help you study? This app allows you to create rich text formatted flashcards with pictures and download millions of flashcards on hundreds of subjects created by both experts and novices. Matching, True/False, Memory, Spelling, Q-Battle, Word Search, Flow, Flappy Dog, Dig It Up, 2048, Ninja, Bingo, Q-Battle LMP, Blocks, and Letters games add more fun to your studying. Don't be surprised to find yourself playing games, getting badges and beating highscores of your friends or classmates rather than simply flipping flash cards... :) Not enough? Loci will turn your cards into a 3D Memory Palace that exploits a memory technique of ancient Greeks and memory champions. Moreover you will immerse ing an augment reality realm in Defender game All tools and games are connected to a sophisticated Spaced Repetition System (SRS) that tracks your progress and keep you organized. - 2.5 millions downloads - used in classrooms and schools worldwide. FROM TEACHERS: "I saw a big improvement in the most recent test scores which, I believe, can be partially attributed to their use of the Flashcards app." "everything you ever wanted to do with flashcards and then some. Supports individualized and differentiated learning in the classroom." "I'm a high school English teacher who loves your app! I kept seeing my students using it, and I checked the app store a couple of times looking for it. I finally took a good look, and I realized they were creating fabulous decks beyond what I was seeing in the bare apps available. The features of your app are rich and so intuitive!" APP FEATURES - Create your own flash cards with rich text formatting and images - Download millions of flashcards made by other users - Organize your cards into folders - Share your decks with friends using shared (automatically synchronized) folders, email or iTunes. - Keep track of your progress for each deck and each card - Spaced Repetition System - Manual and Slide show modes - Linear/Adaptive/Shuffle mode to enhance retention - 5 tools (Review, Explore, Quiz, Listen, and Collage). - 16 studying/testing games (Matching, Memory, True/False, Spelling, Words, Q-Battle, Flow, Flappy, Dig It Up, Ninja, 2048, Bingo, Q-Battle MP, Blocks, Letters, Loci) - 6 built-in keyboards (rich text formatting, fast edit, maths symbols, chemistry symbols, Fonts, and Greek letters) and support of custom keyboards. - Combine or split decks - Sorting flashcards - Import decks in txt, csv, or tsv formats - a drawing tool - 36 built-in text-to-speech voices that work offline + 40+ additional voices from iSpeech. - color coding - no distracting ads FOR TEACHERS: - the only flashcard app with a full-fledged class management system - classes, leaderboards, a lot of games! - students' folders for personalized learning - teacher's messages - statistics in detail: who reviewed what, when, for how long, what tools and games are used. Printable reports. - multiplayer games --------------------- In addition to the life-time Individual Edition, Teacher Pro, and Educational Editions, the application also offers Individual Edition auto-renewal Subscriptions for 1 month ($1.99/month in the U.S. App Store) and 1 year ($9.99/year in the U.S. App Store). Payment will be charged to iTunes Account at confirmation of purchase. Auto-renewal Subscriptions automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. The account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user’s Account Settings after purchase. You can read about our Privacy Policy (http://nkoapps.com/privacy) and Terms of Use (https://nkoapps.com/terms_of_use) on our website.

About

Deck

Learn intuitively with a flashcard app that rebuilds remembering habits using a smart algorithm. Add text, equations, photos, GIFs, or sketches to cards and manage them with tags and reminders. Track progress and utilize practice or test modes.

Highlights
  • Add text, equations, photos, GIFs, sketches
  • Create and manage decks with tags
  • Intuitive suggestion-based learning
  • Progress tracking and test modes
  • Import decks from cloud services
  • iCloud sync across Apple devices
  • Dark mode and adjustable text size
Features
Read full description

"There's is always one more thing to learn why not start from a Deck" Deck is Flashcard based app which help you to learn in more intuitive way. It help to rebuild your remembering habits with its state of the art algorithm which carefully monitors your learning and provide situation based suggestion all these smart thing work inside the device, so you don't have to care for your privacy protection. KEY FEATURES : • Add Text, Mathematical Equation, Photos, GIFs, Sketch in a Flashcard. • Easy to create and manage Decks of Flashcard. • Create different color of cards. • Intuitive suggestion based learning. • Tags made easier to manage your Decks in more organized way. • Reminder never let you forget any deck. • Whole UI element support Dark more so your content appears better at night as well. • Modern UI with support for latest iOS and macOS devices. Native support for all Apple Devices. • Import Decks or Cards from Web, Google Drive, Dropbox Evernote, Box and more in CSV format. • Multi-window lets you open multiple Decks at once . • iCloud Sync makes using Deck across Mac and iOS devices seamless and easy. • Discover this section to know your progress at each and every step this includes progress of adding card, test scores, forget rate and test appeared. It also includes each and every details of the test. • Discover two new test mode include the Practice mode and Test mode. • Widgets support for iOS, iPadOS and macOS. • Increase the size of text when inside learning mode. You may purchase an auto-renewing subscription through an In-App Purchase. • Auto-renewable subscription • 3 month ($1.99), 1 year ($6.49) for Family and One time buy option ($24.99). • Your subscription will be charged to your iTunes account at confirmation of purchase and will automatically renew (at the duration selected) unless auto-renew is turned off at least 24 hours before the end of the current period. • Current subscription may not be cancelled during the active subscription period; however, you can manage your subscription and/or turn off auto-renewal by visiting your iTunes Account Settings after purchase • Privacy policy and terms of use: https://haarisiqubal.github.io/app/privacy • Terms of use : https://haarisiqubal.github.io/app/terms

Screenshots

Flashcards by NKO4 screens
Deck4 screens

Verdict

The call

The clearest difference is rating: Flashcards by NKO at 4.9 against Deck's 4.0. Flashcards by NKO also leads on ratings volume (2K vs 4) and update cadence (every 4 weeks vs every 3 months). On price, review sentiment, 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. Flashcards by NKO sells 13 in-app purchases, starting at $1.99 per month and Deck sells 3 in-app purchases, starting at $1.99 per 3 months. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Flashcards by NKO holds the better App Store score, 4.9 against 4.0. That said, the two scores are not equally well evidenced: Flashcards by NKO has 2K ratings behind it against 4, so its average is the more settled of the two. Written reviews complicate that: 94% of Flashcards by NKO's written reviews are positive against 100% of Deck's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Flashcards by NKO ships an update every 4 weeks, Deck every 3 months. The most recent releases landed on September 22, 2026 and July 19, 2026 respectively.

Scorecard3 real differences · 7 level
Flashcards by NKO versus Deck: the parameters behind the verdict, then further details
ParameterFlashcards by NKODeck
PriceFreeFree
Rating4.9 (2K ratings) — better4.0 (4 ratings)
Positive reviews93.7% of reviews100.0% of reviews — better
Number of ratings2K — better4
Update frequencyEvery 4 weeks — betterEvery 3 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, Apple WatchiPhone, iPad, Mac
Requires iOS1716.0 — better
Further details — not scored
Size84 MB28 MB
Age rating4+4+
DeveloperNKO Ventures, LLCHaaris Iqubal

Customer experience

Flashcards by NKO

All ratings2,039 ratings
Positive96.7%
Neutral1.2%
Negative2.1%
Written reviews333 reviews
Positive93.7%
Neutral2.1%
Negative4.2%

Deck

All ratings4 ratings
Positive75.0%
Neutral0.0%
Negative25.0%
Written reviews11 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

13 purchases

Flashcards by NKO

Subscriptions2
  • Individual Edition1 Month trial$1.991 Month
  • Individual Edition$14.991 Year
One-time11
  • AbstractFree
  • CatsFree
  • SpringFree
Show 8 more
  • Winter$0.99
  • Vintage$2.99
  • Back to School$2.99
  • Server Space$19.99
  • Teacher Pro 100 (for 3 months)$39.99
  • Individual Edition$99.99
  • Teacher Pro 100$99.99
  • Teacher Pro$199.99
3 purchases

Deck

Subscriptions2
  • Subscribe - 3 Month Family7 Days trial$1.993 Months
  • Subscribe - Yearly Family$6.491 Year
One-time1
  • Buy - Lifetime$24.99

Questions

Is Flashcards by NKO free?
Flashcards by NKO is free to download, with in-app purchases available.
Is Deck free?
Deck is free to download, with in-app purchases available.
Which has better reviews, Flashcards by NKO or Deck?
Flashcards by NKO is rated higher. Flashcards by NKO averages 4.9 out of 5 from 2K ratings, while Deck averages 4.0 from 4 ratings.
Do Flashcards by NKO or Deck have ads?
Neither Flashcards by NKO nor Deck shows ads.
Which is updated more often, Flashcards by NKO or Deck?
Flashcards by NKO ships an update every 4 weeks, and Deck every 3 months. Most recently, Flashcards by NKO was updated on September 22, 2026 and Deck on July 19, 2026.

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