Comparison

CloudWatcher vs Basic Math Cards & Questions

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

Head to head
About

CloudWatcher

Identify cloud types using AI or manual input. Save photos with location data, share them, and deepen your knowledge with an encyclopedia and quizzes. An AI chatbot can answer your cloud-related questions.

Highlights
  • AI cloud identification
  • Manual cloud type selection
  • Save cloud photos with location
  • Share photos via social media
  • Cloud encyclopedia
  • Cloud quizzes
  • AI chatbot for cloud questions
Features
Read full description

Look up at the sky, with new eyes. CloudWatcher is an all-in-one cloud observation app: identify clouds with AI, learn from a built-in field guide, take quizzes, log every sky you see, and never miss a rainbow or sunset. Features Cloud AI Identification Take a photo and let AI identify it across 10+ cloud types (cirrus・cumulus・stratus and more) with explanations of weather conditions and how to spot each one. AR Labeling (New) Point your camera at the sky and tap any cloud. AI labels stick in 3D space so you can compare multiple cloud types at once. Today's Sky Live Activity (New) Your Lock Screen and Dynamic Island show what's likely in today's sky in chronological order: rainbows・sunsets・sunrises・halos・cirrus days・stargazing nights. Smart Sky Alerts (New) Forecast and sun position predict moments like "Rainbow likely" or "Beautiful sunset expected" and notify you just in time. Each alert type can be toggled. Cloud Field Guide The 10 WMO cloud genera with photos・characteristics・meteorological context. Jump straight from the guide into capture mode. Cloud Quizzes Three difficulty levels (beginner・intermediate・advanced) to sharpen your observation skills. Map and Statistics See all your captures on a map. Track your most-photographed cloud types over time. AI Chat Ask questions about clouds and weather using your own photos as context. For ・Sky lovers and amateur meteorologists ・Kids' science projects and classroom use ・Studying for meteorology exams ・Capturing memorable skies on travels Compatibility ・iOS 17.6 or later ・Live Activity and Dynamic Island (iPhone 14 Pro and newer) ・AR Labeling requires A12 Bionic or newer ・English and Japanese Weather powered by Apple WeatherKit. Cloud identification powered by cloud AI.

About

Basic Math Cards & Questions

This app offers quick math quizzes to boost mental agility and focus. It features timed challenges, customizable operations, and progress tracking for learners of all ages. Improve your speed and memory with daily brain training exercises.

Highlights
  • Daily brain training
  • Timed challenges
  • Customizable math operations
  • Multiple difficulty levels
  • Progress tracking
  • Game-like interface
Features
Read full description

Math Problems – Train Your Brain in Minutes a Day Boost your mental agility, speed, and focus with Mental Problems, the fun, game-like brain trainer for learners of all ages. Solve challenging problems, track your progress, and sharpen your mind—anytime, anywhere. Why Math Problems? Quick Practice: Endless problems for daily brain training. Timed Challenges: Test your speed with 60-second or 30-seconds sprints. Customizable Focus: Practice addition, subtraction, multiplication, division, or a mix. Multiple Difficulty Levels: From very easy to hard—grow at your own pace. Track Your Progress: Scoreboards and best records to measure improvement. How it Works: Choose your game mode and difficulty. Select the math operations you want to focus on. Solve problems as fast as you can! Compete against your best score and improve every day. Perfect for students, professionals, and anyone who wants to keep their brain sharp. Just a few minutes a day can help you think faster, remember more, and have fun while doing it! As a premium member of app, you enjoy unlimited access to all features! By subscribing you get unlimited access to all the app’s functionality for the whole duration of your subscription period. Payment will be charged to iTunes Account at confirmation of purchase. Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. Account will be charged for renewal within 24-hours prior to the end of the current period. You can manage your subscription and turn off the auto-renewal anytime through your Account Settings. Privacy Policy: https://mobile-apps.dev/mental-math-privacy-policy/ Terms of Use: https://mobile-apps.dev/mental-math-terms-of-use/

Screenshots

CloudWatcher4 screens
Basic Math Cards & Questions4 screens

Verdict

The call

The clearest difference is review sentiment: CloudWatcher at 50% against Basic Math Cards & Questions's 0%. CloudWatcher also leads on rating (5.0 vs 4.5) and in-app purchases (none vs 3). Basic Math Cards & Questions's advantage is price (Free vs $0.99) and update cadence (weekly vs every 3 weeks). On device support and iOS requirement 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

Basic Math Cards & Questions is free to download; CloudWatcher costs $0.99 up front. Basic Math Cards & Questions sells 3 in-app purchases, starting at $2.99 per month. CloudWatcher asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

CloudWatcher holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Basic Math Cards & Questions has 23 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 50% of CloudWatcher's written reviews are positive against 0% of Basic Math Cards & Questions's.

UpkeepUpdate frequency

CloudWatcher ships an update every 3 weeks, Basic Math Cards & Questions weekly. The most recent releases landed on September 29, 2026 and September 15, 2026 respectively.

Scorecard8 real differences · 2 level
CloudWatcher versus Basic Math Cards & Questions: the parameters behind the verdict, then further details
ParameterCloudWatcherBasic Math Cards & Questions
Price$0.99Free — better
Rating5.0 (1 ratings) — better4.5 (23 ratings)
Positive reviews50.0% of reviews — better0.0% of reviews
Number of ratings123 — better
Update frequencyEvery 3 weeksWeekly — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhoneiPhone
Requires iOS17.616.6 — better
Further details — not scored
Size12 MB31 MB
Age rating4+4+
DevelopericotViacheslav Khakhulin

Customer experience

CloudWatcher

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews14 reviews
Positive50.0%
Neutral14.3%
Negative35.7%

Basic Math Cards & Questions

All ratings23 ratings
Positive87.0%
Neutral0.0%
Negative13.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

CloudWatcher

No in-app purchases

3 purchases

Basic Math Cards & Questions

Subscriptions2
  • Monthly Pro$2.991 Month
  • Yearly Pro3 Days trial$11.991 Year
One-time1
  • Lifetime Pro$17.99

Questions

Is CloudWatcher free?
CloudWatcher costs $0.99, with no in-app purchases.
Is Basic Math Cards & Questions free?
Basic Math Cards & Questions is free to download, with in-app purchases available.
Which has better reviews, CloudWatcher or Basic Math Cards & Questions?
CloudWatcher is rated higher. CloudWatcher averages 5.0 out of 5 from 1 ratings, while Basic Math Cards & Questions averages 4.5 from 23 ratings.
Do CloudWatcher or Basic Math Cards & Questions have ads?
Basic Math Cards & Questions shows ads; CloudWatcher does not.
Which is updated more often, CloudWatcher or Basic Math Cards & Questions?
CloudWatcher ships an update every 3 weeks, and Basic Math Cards & Questions weekly. Most recently, CloudWatcher was updated on September 29, 2026 and Basic Math Cards & Questions on September 15, 2026.

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