Nimbus: Cloud Type Quiz
Learn & Identify 10 Sky Types
Only for iPhone
Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.
iPhone
Think you can name every cloud in the sky? Quiz yourself on all 10 types — cumulus to cumulonimbus — then explore the full field guide. Free, offline, no ads.
Can you tell a nimbostratus from an altostratus? Nimbus makes cloud identification genuinely fun — a fast multiple-choice quiz backed by a complete pocket field guide for all 10 cloud types.
— KEY FEATURES —
• Multiple-choice quiz — read a cloud description, then pick the correct cloud name from four options with instant right/wrong feedback
• All 10 major cloud types — cumulus, cirrus, stratus, cumulonimbus, altocumulus, altostratus, cirrostratus, cirrocumulus, nimbostratus, and stratocumulus
• Streak counter — a live flame tracks your current run of correct answers; break your best streak record
• Full field guide — tap any cloud in the Learn tab for its altitude range, appearance details, and weather forecast hints
• Personal stats — best streak, total questions answered, accuracy percentage, and a correct/total progress bar
• Persistent progress — stats are saved automatically between sessions so your records are never lost
• 100% offline — no internet required, works anywhere you can see the sky
Whether you're a student studying meteorology, a pilot brushing up on weather literacy, a hiker reading the sky for incoming storms, or simply someone who looks up and wonders — Nimbus gives you the knowledge to name what you see.
Download free and start your streak today.
— Nimbus Cloud Quiz PREMIUM —
A Nimbus Cloud Quiz Premium subscription unlocks the full app experience: all 10 cloud types with their complete field guide entries, unlimited quizzes with live streak tracking, detailed accuracy stats, and an entirely ad-free, offline environment — so you can focus on learning the sky without interruption.
Subscription options:
• Weekly — $9.99 / week
• Yearly — $49.99 / year (includes a 3-day free trial)
Payment is charged to your Apple Account at confirmation of purchase. Subscriptions renew automatically unless turned off at least 24 hours before the end of the current period. Your account is charged for renewal within 24 hours prior to the end of the period. Manage or cancel anytime in your Apple Account settings.
Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Privacy Policy: https://pnkl26.web.app/privacy-policy
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
Version 1.0
• Multiple-choice cloud quiz with instant right/wrong feedback and streak tracking
• All 10 major cloud types: cumulus, cirrus, stratus, cumulonimbus, altocumulus, altostratus, cirrostratus, cirrocumulus, nimbostratus, stratocumulus
• Learn tab with altitude, appearance, and weather hint for every cloud type
• Stats screen: best streak, total played, accuracy percentage, and a correct/total progress bar
• Stats persist automatically between sessions
• Fully offline — no internet, no account, no ads required
The developer, Linh Phan Nhat Khanh, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Linh Phan Nhat Khanh
- Size
- 646.1 KB
- Category
- Weather
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - Mac
Requires macOS 14.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Nimbus Cloud Quiz Weekly $9.99
- Nimbus Cloud Quiz Yearly $49.99
- Copyright
- © 2026 PNKL