Frequently Asked Questions

How do I create a Tenkobo account?

Creating an account is simple and free:

1. Download the Tenkobo app from Google Play Store or visit our web app
2. Click "Sign Up" and enter your email address
3. Create a secure password
4. Verify your email address
5. Complete your profile with your educational details (optional)

You can start using most features immediately with a free account.

Do I need to pay to use Tenkobo?

Tenkobo offers both free and premium features:

• Free: Browse all 49 Surpass subjects, basic flashcards & short quizzes, CGPA tracking (up to 8 courses), Study Analytics, AI Advisor chat, 2 Arena games/day, price tracking
• Paid bundles: Surpass subject bundles from $4/month, FirstClassAI Ultimate at $3.99/mo (or $39.99/yr), PriceTracker Premium — see pricing

Many students find the free version sufficient for their needs. You can always upgrade later.

What devices and features are available on each platform?

Your account and data sync across all platforms where features are available.

What is Surpass and how does it work?

Surpass is our intelligent study system for O-Level exams, university-entrance exams, and professional certifications. It now covers 49 subjects across 12 curated bundles, so you can pick the one that matches what you're studying:

• O-Level (Science, Business & Arts, Complete): Mathematics, English, Sciences, Economics, Government, Commerce, History, Literature, Accounting, Geography
• Medical BMS (Pre-Clinicals): Anatomy, Physiology, Biochemistry, Pharmacology
• Finance: CFA Level 1, ACCA Knowledge, ICAN Foundation
• Project Management: PMP Prep (PEO/PRO/PBE), CAPM
• IT & Cloud: CCNA, Network+, Security+, CySA+, CISSP, Microsoft Azure certifications, AI-900
• Career Starter: Get Hired, Operations, Digital Skills

Bundles start at $4/month, with All-in-One plans covering all 49 subjects. See pricing for the full breakdown.

4 Learning Modes:

• Flashcards: Spaced repetition for optimal retention
• Short Quizzes: Quick 5-10 question practice sessions
• Regular Quizzes: Comprehensive question sets with explanations
• Mock Exams: Full-length simulations under timed conditions

Evidence-based learning features:

• Spaced Repetition: Shows you cards right before you're about to forget them
• Rich Explanations: Every question includes definitions, examples, and visual aids
• Progress Tracking: Monitor your improvement over time

How do Arena rewards work?

Arena is our competitive learning platform where you can earn real money:

• Daily Competitions: Compete against other learners in timed quizzes across 8 academic subjects
• 4 Leaderboards: Global, National, Schools (school vs school), and My School (compete with classmates)
• Global Prizes: $200 USD prize pool every half-season (quarterly) for top 5 players worldwide — awarded twice per season at mid-season and end of season
• Africa Schools Competition: ≈ ₦1,900,000 Season 1 pool across six prize categories — Top Community Referrer (₦420k), Main Schools (₦630k), Secondary Schools (₦250k), Campus/NYSC/NSS/NYS Ambassadors (₦300k), and the $200 Arena Global prize. Snapshot 31 May 2026, 23:59 CEST. Current students and recent alumni (graduated on or after Jan 1, 2021, from any programme) can participate. Full breakdown →
• Joker Rounds: Double your points by answering bonus questions correctly

Free users get 2 games/day; paid subscribers get up to 20 games/day depending on plan. See the full Arena limits table or learn more about Arena →

How does FirstClassAI work and what are the subscription tiers?

FirstClassAI is your AI-powered academic advisor with 3 tiers:

While highly accurate, always verify with your institution's official calculations.

How does PriceTracker work?

PriceTracker is a community-driven fuel price tracking platform. Available in Nigeria, Ghana, UK, Norway, and more.

Fuel types by country:

• Nigeria: PMS, AGO, DPK, LPG
• Ghana: Petrol, Diesel, LPG
• UK: Unleaded, Diesel, Super
• Norway: Bensin, Diesel

Free vs Premium:

• Free: Browse prices, 5 submissions/week, nearby station search
• Premium: Unlimited submissions, price drop alerts, full history, ad-free, 10 games/day bonus

What payment methods do you accept?

Payment methods depend on which platform you're using:

• Android App: Google Play Store billing (credit cards, Google Pay, carrier billing)
• iOS App: Apple App Store billing (credit cards, Apple Pay)
• Web App: Stripe (credit/debit cards), with future support for PayStack (bank cards, bank transfers, USSD) and Flutterwave

How do I cancel my subscription?

Cancellation process depends on where you subscribed:

• Android: Go to Google Play Store > Subscriptions > Tenkobo > Cancel
• iOS: Settings > Apple ID > Subscriptions > Tenkobo > Cancel
• Web App: Account Settings > Subscription > Cancel Subscription

You'll continue to have access until the end of your current billing period.

Can I get a refund?

Refund policies vary by platform:

• Android/iOS: Refunds handled by Google Play Store/Apple App Store policies
• Web App: Subscriptions purchased through the web app are not eligible for refunds

Do prices include taxes?

All displayed prices include applicable taxes (VAT) as required by Norwegian and local tax laws. You won't see any additional charges at checkout beyond the displayed subscription price.

Why isn't my data syncing between devices?

Data sync requires a stable internet connection and being logged into the same account. Try these steps:

1. Ensure you're connected to the internet
2. Check you're logged into the same account on all devices
3. Force-close and reopen the app
4. Log out and log back in
5. Contact support if the issue persists

The app keeps crashing. What should I do?

Try these troubleshooting steps:

1. Restart your device
2. Update to the latest app version
3. Clear the app cache (Android: Settings > Apps > Tenkobo > Storage > Clear Cache)
4. Ensure you have sufficient storage space
5. Check your internet connection

If crashes continue, contact tenkobo-support@kronerland.no with your device model and Android version.

Can I use Tenkobo offline?

Yes! Many features work offline, including:

• Previously downloaded flashcards in Surpass
• CGPA calculations in FirstClassAI
• Previously viewed content and progress

You'll need an internet connection for Arena, PriceTracker updates, and syncing data between devices.

What are the minimum system requirements?

Android App:

• Android 9 (API level 28) or higher
• 2GB RAM minimum, 4GB recommended
• 100MB free storage space
• Internet connection for full functionality

Web App:

• Modern browser (Chrome 70+, Firefox 65+, Safari 12+, Edge 79+)
• JavaScript enabled
• Stable internet connection