Comparison

InterviewOS vs Tick8

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

Head to head
About

InterviewOS

Features
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Stop memorizing. Start mastering. InterviewOS is your all-in-one interview preparation app built for Flutter and Swift developers. Whether you're preparing for your first junior role or aiming for a senior position, InterviewOS gives you everything you need โ€” lessons, exercises, quizzes, and real interview questions โ€” all in your pocket. **Pick your track. Start learning.** Choose Flutter/Dart or Swift/iOS as your main focus. All content adapts to your selection โ€” from beginner fundamentals to advanced topics. Switch tracks anytime. **Duolingo-style exercises** No boring walls of text. No typing long code. Just quick, tap-based challenges you can crush in 30 seconds: โ€ข Multiple choice questions โ€ข Fill-in-the-blank with word banks โ€ข Drag-to-reorder code lines โ€ข Spot-the-bug challenges โ€ข Swipe true or false โ€ข Match-the-pairs **500+ interview questions** Real questions asked at real companies. Organized by topic and difficulty โ€” from junior to senior level. Each question comes with a detailed model answer, follow-up questions, and common mistakes to avoid. **General programming too** Not just framework-specific. InterviewOS covers REST APIs, WebSockets, design patterns, SOLID principles, data structures, Git, system design, security, and more โ€” the topics every interviewer asks about. **Track your progress** Earn XP, level up from Junior Dev to Principal Dev, maintain your daily streak, and unlock achievements. See exactly where you stand on every topic. **100% free. No ads. No paywalls.** Every lesson, every exercise, every question โ€” completely unlocked from day one. No subscriptions. No in-app purchases. No ads. Built by a developer, for developers. **Works offline** No internet? No problem. All content is available offline so you can practice on the subway, on a plane, or anywhere. Download InterviewOS and start preparing for the job you deserve.

About

Tick8

Features
Read full description

Tick8 Italian teaches you 1,000+ Italian words using a simple but powerful idea: see a word correctly 8 days in a row, and it's learned for life. HOW IT WORKS Each day you get a fresh deck of cards. Swipe through, flip to check the meaning, and mark the ones you know. Come back tomorrow and do it again. After 8 consecutive correct days, a word is fully learned and leaves your deck. YOUR LEVEL, YOUR WORDS Take a quick 20-question placement test when you start. The app detects your level from A1 to C2 and builds your word list around it, so beginners start with essentials and advanced learners go straight to the hard stuff. WHAT'S INSIDE - 1,000+ Italian words across 24 categories - CEFR level detection from A1 to C2 - Daily deck with smart difficulty balance - Native Italian pronunciation for every word - Example sentences in Italian and English - Daily reminder at a time you choose - Full progress sync across reinstalls via iCloud Start with a free 7-day trial. No payment required to begin. ONE PAYMENT, FOREVER No subscription. No weekly charges. Buy once and own it. Your progress is saved to iCloud so if you ever delete and reinstall the app, everything is exactly where you left it.

Screenshots

InterviewOS4 screens
Tick84 screens

Verdict

The call

The clearest difference is in-app purchases: InterviewOS at none against Tick8's 1. Tick8's advantage is iOS requirement (17.6 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Tick8 sells 1 one-off in-app purchase. InterviewOS asks for nothing beyond the download.

UpkeepUpdate frequency

InterviewOS ships an update every 3 days, Tick8 weekly. The most recent releases landed on September 20, 2026 and September 18, 2026 respectively.

Scorecard2 real differences ยท 4 level
InterviewOS versus Tick8: the parameters behind the verdict, then further details
ParameterInterviewOSTick8
PriceFreeFree
Update frequencyEvery 3 days โ€” betterWeekly
AdsNoNo
In-app purchasesNo โ€” betterYes
DevicesiPhoneiPhone
Requires iOS26.017.6 โ€” better
Further details โ€” not scored
Size6 MB1 MB
Age rating4+4+
DeveloperElbek MirzamaxmudovErfan Yarahmadi

In-app purchases

None

InterviewOS

No in-app purchases

1 purchases

Tick8

One-time1
  • Unlock Full Access$3.99

Questions

Is InterviewOS free?
InterviewOS is free to download, with no in-app purchases.
Is Tick8 free?
Tick8 is free to download, with in-app purchases available.
Do InterviewOS or Tick8 have ads?
Neither InterviewOS nor Tick8 shows ads.
Which is updated more often, InterviewOS or Tick8?
InterviewOS ships an update every 3 days, and Tick8 weekly. Most recently, InterviewOS was updated on September 20, 2026 and Tick8 on September 18, 2026.

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