Comparison

K vs K

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

Head to head
About

K

Prepare for medical licensing exams with a mobile application offering practice questions. Access study materials anytime, anywhere on your smartphone or tablet.

Highlights
  • Practice Krok exam questions
  • Study anytime, anywhere
  • Mobile accessibility
  • Targeted exam preparation
Features
Read full description

If day "K" is coming soon in your life, namely passing the "Krok" exam, download the app and get ready anytime, anywhere, your phone is always at hand! This app is not the official test suite for Krok 1, Krok 2, Krok 3, Krok M, Krok B.

About

K

Features
Read full description

K-Test is a study app for the KROK 1, KROK 2, KROK 3, KROK M and KROK B licensing exams. 200,000+ questions from the 2000–2026 booklets and bases, practice with explanations, timed exams and a mistakes drill — and all of it works offline. THE WHOLE KROK BASE IN ONE APP • KROK 1, 2, 3, M and B booklets and bases — 1,600+ tests and 200,000+ questions • Medicine, Dentistry, Pharmacy, Nursing, Midwifery, Laboratory Diagnostics, Medical Psychology, Preventive Medicine and more • Filters by exam, speciality, year and source; KROK 1 and KROK 2 booklets are also available in English • The catalogue keeps growing with new booklets TWO WAYS TO PRACTISE • Practice mode — the explanation of the right answer appears right after yours, automatically if you like • Exam mode — timed, like the real test; questions and answers come in a new order every time • A record and three stars for every test, so you can see at a glance what to retake MISTAKES AND FAVOURITES • Every mistake lands in its own list; drill it, and the question leaves the list as soon as you get it right • Favourites — park the hard questions and come back to them • Search across mistakes and favourites; one test's mistakes and favourites are on its page OFFLINE • Download tests to your phone and study on the bus, in the dorm or on the ward with no connection • Results are saved and make it into your statistics STATISTICS THAT KEEP YOU GOING • Average score, best result, time per question, activity and a 7-day trend • Day streak and achievements so you don't skip a day • The history of every attempt and your unfinished tests, to pick up where you left off • Daily reminders at a time you choose LEADERBOARD • Boards by points, accuracy, stars and streak — for the week, the month or all time • Compare yourself with students of your exam, your university or everyone • Weekly and monthly medals for the top three • Only full exams count. Your profile appears on the boards only once you open it yourself, and you can hide it at any time ONE ACCOUNT, EVERY DEVICE • Sign in with Apple or Google, and your favourites, mistakes and history sync between your phone and tablet • An account is optional: everything except the leaderboard works without one • You can delete your account right inside the app THE SMALL THINGS • Dark theme, text size, Ukrainian or English interface • Spotted an error in a question? Report it with one tap and we'll check • Have tests of your own? Submit them and they will appear in the catalogue after review FREE The app is free and shows ads. Premium removes all the ads and changes nothing else: every question, mode and statistic is available without paying. Watch a short video to get one test ad-free. K-Test is not an official app of the Testing Centre at the Ministry of Health of Ukraine. The questions come from the publicly available KROK booklets and bases. Website: kroktest.com Support: kroktest.com/contacts Privacy policy: kroktest.com/privacy · Terms: kroktest.com/terms

Screenshots

K4 screens
K4 screens

Verdict

The call

The clearest difference is ads: K at none against K's shown. K's advantage is update cadence (every 4 days vs every 5 months) and iOS requirement (15.0 vs 17.0). On price, in-app purchases 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. K sells 3 one-off in-app purchases and K sells 3 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

K ships an update every 5 months, K every 4 days. The most recent releases landed on October 29, 2026 and October 8, 2026 respectively.

Scorecard3 real differences · 7 level
K versus K: the parameters behind the verdict, then further details
ParameterKK
PriceFreeFree
Rating4.8 (127 ratings) — better—
Positive reviews41.8% of reviews—
Number of ratings127 — better—
Update frequencyEvery 5 monthsEvery 4 days — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS17.015.0 — better
Further details — not scored
Size64 MB82 MB
Age rating4+17+
DeveloperVitalii RubaOleksandr Buhai

In-app purchases

3 purchases

K

One-time3
  • Remove ad$0.99
  • Remove ad$4.99
  • Remove ad$9.99
3 purchases

K

Subscriptions2
  • Premium Weekly$1.997 Days
  • Premium Monthly3 Days trial$4.991 Month
One-time1
  • Premium Lifetime$29.99

Questions

Is K free?
K is free to download, with in-app purchases available.
Is K free?
K is free to download, with in-app purchases available.
Do K or K have ads?
K shows ads; K does not.
Which is updated more often, K or K?
K ships an update every 5 months, and K every 4 days. Most recently, K was updated on October 29, 2026 and K on October 8, 2026.

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