CoinMath vs Zelda Nihongo
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CoinMath
Engage in a simulated cryptocurrency mining experience with a focus on building a network of referrals. Earn simulated energy and climb ranks through strategic interactions and a dual-tier referral system. Enjoy a sleek, dark-mode interface designed for performance and aesthetics.
- Simulated crypto mining
- Dual-tier referral system
- One-tap reward claiming
- Cloud progress syncing
- High-performance design
- Dark mode interface
Read full descriptionHide full description
Welcome to CoinMath — The Ultimate Mining Simulation & Rewards Network! Ready to build your digital empire? CoinMath is a sleek, next-generation mining simulator that turns your downtime into an engaging, rewarding experience. Whether you’re a casual tapper or a strategic networker, CoinMath gives you the tools to boost your hashrate, accumulate energy (COIM), and climb the ranks! SIMULATE & EARN Experience the thrill of crypto mining without the complex hardware. Tap, interact, and watch your balance grow. Claim your available rewards seamlessly and track your pending earnings in real-time. THE VIRAL REFERRAL NETWORK Why mine alone when you can build a network? With our brand-new Viral Module, you can establish powerful uplinks with other players. • Direct (Tier 1): Invite friends using your unique referral code and earn massive commission multipliers. • Indirect (Tier 2): Earn a 2% passive energy yield from the activity of your recruits' recruits! • VIP Ambassador Mode: Reach 10 direct referrals to unlock a permanent 2X mining multiplier! SECURE & SEAMLESS Jump straight into the action with lightning-fast Google Sign-In, or use Guest Access to start exploring immediately. Your data and progress are securely synced to the cloud. PREMIUM DESIGN Immerse yourself in a beautifully crafted, high-contrast dark mode interface built for speed and aesthetics. Track your Tier 1 and Tier 2 recruits through our sleek, easy-to-read dashboard. Key Features: • Real-time simulated mining and energy generation • Dual-Tier passive referral system • One-tap reward claiming • Custom invite links and QR code sharing • High-performance, battery-friendly architecture Start building your hashrate today. Download CoinMath, sync your referral code, and claim your rewards! (Note: CoinMath is a simulation and entertainment application. In-app balances and energy (COIM) hold no real-world monetary value and cannot be withdrawn as actual cryptocurrency).
Zelda Nihongo
Read full descriptionHide full description
Learn Japanese the smart way — from your first kana stroke to confident JLPT conversation. Zelda Nihongo is a beautifully designed Japanese learning app that guides you through Hiragana, Katakana, and JLPT N5 & N4 grammar with structured lessons, an AI tutor, and immersive voiced dialogues. MASTER KANA WITH STROKE ORDER Learn every Hiragana and Katakana character the right way. Animated stroke-order panels show you exactly how each character is drawn. Practice writing, then test yourself with character quizzes — unlock the next character only when you're ready. STRUCTURED JLPT LESSONS Work through 100 carefully crafted lessons covering JLPT N5 N4 and N3. Each lesson guides you through: + Vocabulary with native-quality audio + Grammar explanations with real examples + Reading passages with kanji & furigana + Scripted dialogues voiced by unique characters Every lesson section can be revisited anytime so you can review at your own pace. PERSONAL AI GRAMMAR TUTOR Stuck on a grammar point? Open the AI chat and ask anything — in your own language. Your tutor gives clear explanations, additional examples, and follow-up hints, just like a real teacher. Conversation history is saved so you can pick up where you left off. IMMERSIVE VOICED DIALOGUES Every dialogue features unique character voices powered by Google text-to-speech — the most natural-sounding AI voices available. Tap any line to hear it again and follow along with furigana kanji readings. Perfect for training your listening ear. EARN SAKURA & LEVEL UP Every correct answer earns Sakura points. Ace a quiz, earn bonus Sakura. Watch your total grow as you move through lessons — your personal measure of how far you've come. LESSON QUIZZES WITH INSTANT FEEDBACK Put your knowledge to the test with three-section lesson quizzes: + Fill-in-the-blank sentences with furigana + Reading comprehension passages + Dialogue listening comprehension Get instant explanations for every answer — right or wrong. LEARN IN YOUR OWN LANGUAGE The entire app is localized in 7 languages so you never lose context when studying Japanese: English · Tiếng Việt · 中文 · 한국어 · Bahasa Indonesia · ภาษาไทย · हिन्दी WHAT'S INCLUDED + Hiragana & Katakana with stroke-order animations + 60 JLPT N5 & N4 lessons + AI grammar chat tutor (with memory) + Vocabulary memorization with audio playback + Reading passages with furigana display + Voiced dialogues — 10 unique character voices + Three-section lesson quizzes + Sakura rewards & progress tracking + 7-language interface + Synced progress across devices Start free. Learn Japanese. One lesson at a time. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: CoinMath at none against Zelda Nihongo's 1. Zelda Nihongo's advantage is update cadence (every 5 days vs every 4 months) and iOS requirement (15.1 vs 26.0). On price, 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
Both are free to download. Zelda Nihongo sells 1 in-app purchase, starting at $24.99 per year. CoinMath asks for nothing beyond the download.
CoinMath ships an update every 4 months, Zelda Nihongo every 5 days. The most recent releases landed on September 19, 2026 and July 31, 2026 respectively.
| Parameter | CoinMath | Zelda Nihongo |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (3 ratings) — better | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 4 months | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 26.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 95 MB | 529 MB |
| Age rating | 17+ | 4+ |
| Developer | PILLLENS, Inc | Duy Nguyen Anh |
In-app purchases
CoinMath
No in-app purchases
Zelda Nihongo
- 1-Year Premium Access3 Days trial$24.991 Year





