Comparison

Underline vs Fishka Flashcards

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

Head to head
About

Underline

Features
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Learning languages in 5 steps: 1. You download the app for free 2. We introduce you to the Underline world 3. You add your own flashcards or use our browser plugin 4. You remember words by practicing with one of our learning modes 5. You know the language you learn! Advantages of learning languages with Underline: • You receive flashcards for learning from us or you build your own unique base yourself using our browser add-on • You get access to suggested words based on the words you translate. • You choose the learning mode that suits you best: - viewing flashcards, - written translation of words, - typing words by ear, - quizzes (choice of answers) - mixed mode. • You listen to the vocabulary as it is pronounced, thanks to which you remember them faster • You use a handy translator that you can use as a source of new flashcards from your phone • You can choose from a system of intelligent repetitions or folders to organize the level of knowledge of your words • You set the frequency of learning (your goal) with reminders about it • You monitor the progress in your profile - thanks to this you know how your level of language proficiency is improving If… • You learn English from scratch • Are you looking for a perfect solution at work • Your technical or business language needs "upgrade" • You are preparing for your high school diploma or other exams • You are going to go abroad, but you prefer to expand your vocabulary beforehand • You have many friends from other countries that you want to chat with freely … Underline will be your best choice! In our application for learning English or another language, you can use the flashcards received from us or build your own unique database. That is why Underline is perfect for: • for beginners • for intermediate • for advanced By combining two compatible tools - a mobile application and a browser plug (extension), Underline combines the process of searching, translating, saving, and learning words, which allows you to learn the vocabulary you really need. In addition to English, we also have languages such as: • Spanish • Ukrainian • German • French • Japanese • Korean • Chinese and many others. Underline works best with our browser plugin, so if you want to learn a personalized vocabulary, feel free to download it! Our extension works for Chrome, Opera and Microsoft Edge:https://chrome.google.com/webstore/detail/underline/ogdfpjfkomoeoodbemmkloabcjkmmbol Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Fishka Flashcards

Engage with educational content through interactive flashcards and multiple game modes. Create, import, or share study sets to enhance memorization and test preparation. Offers a gamified approach to learning for students and curious minds.

Highlights
  • Swipe & Learn feature
  • Create, share, and import flashcards
  • Multiple game modes (Quiz, On time, Match, Memory, Type in)
  • Exam learning for multiple boards
  • Unlimited cards and boards on one device
  • Backup and multi-device learning (Premium)
Features
Read full description

Introducing Fishka Flashcard, your go-to flashcard app with the Swipe & Learn feature for engaging and interactive learning. Create, share or import educational flashcards that help you memorize. Choose your own learning experience by choosing your favorite game. Try out the true power of gamified learning.    Your mobile learning games: Learn: Discover the joy of learning by simply swiping through your cards to absorb knowledge across various subjects. Quiz: Use your flashcards as practice for a test. On time: Find out how good your skills are against the time. Match: Try out a classic mobile learning game whenever you want more exercise before an exam. Memory: Test your memorizing skills. Adjust the number of cards as you progress with your learning. Type in: Find out how good your spelling is.   Flashcard features: Exam learning: Do you want to learn from multiple boards at once? Create an exam to make one study session. Sort your boards by subjects and practice all at once.   Import and export flashcards.  Free: You can share up to 3 boards per month for free. Premium:  Upgrade for unlimited number of sharing.     Unlimited number of cards. Free: Unlimited number of cards and boards on one device. Your mobile device's free space is your only limitation.  Premium: Back up your boards and cards. Learn on multiple devices.   Whether you're a student in need of a practice memory card before an exam or have a curious mind about language learning, the Fishka Flashcard is your perfect partner for lifelong learning. Download now and transform the way you learn! Now available on the App Store! Terms of use: https://stanislawnagorski.github.io/fiszka_policies/policies/terms_of_use.html

Screenshots

Underline4 screens
Fishka Flashcards4 screens

Verdict

The call

The clearest difference is in-app purchases: Underline at none against Fishka Flashcards's 2. Underline also leads on iOS requirement (10.0 vs 12.0). On price, update cadence, ads and device support 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. Fishka Flashcards sells 2 in-app purchases, starting at $2.99 per month. Underline asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 27, 2026 and November 3, 2026 respectively.

Scorecard2 real differences · 8 level
Underline versus Fishka Flashcards: the parameters behind the verdict, then further details
ParameterUnderlineFishka Flashcards
PriceFreeFree
Rating—5.0 (1 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—1 — better
Update frequencyEvery 2 monthsEvery 2 months
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Freemium
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS10.0 — better12.0
Further details — not scored
Size40 MB80 MB
Age rating4+4+
DeveloperDamian SkonecznyStanislaw Nagorski

In-app purchases

None

Underline

No in-app purchases

2 purchases

Fishka Flashcards

Subscriptions2
  • Premium Access$2.991 Month
  • Premium Access$19.991 Year

Questions

Is Underline free?
Underline is free to download, with no in-app purchases.
Is Fishka Flashcards free?
Fishka Flashcards is free to download, with in-app purchases available.
Do Underline or Fishka Flashcards have ads?
Neither Underline nor Fishka Flashcards shows ads.
Which is updated more often, Underline or Fishka Flashcards?
Underline ships an update every 2 months, and Fishka Flashcards every 2 months. Most recently, Underline was updated on October 27, 2026 and Fishka Flashcards on November 3, 2026.

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