SkyCue vs Math Planet
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SkyCue
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SkyCue is a beginner-first stargazing app for the moment when you look up and wonder what you are seeing. Point your iPhone at the night sky, let the app choose the centered object, and read one plain-English cue instead of opening a heavy astronomy encyclopedia. Made for campers, parents, walkers, and new observers: - Use Point Mode to identify a bright star or constellation area - Read one short explanation written for beginners - Browse a starter catalog of easy night-sky objects - See Tonight Quick Picks after unlocking - Save objects and recent identifications locally - Use a manual city instead of precise location if you prefer - Learn with bundled sky data, not live web pages or AI text - Home screen widget with the bright catalog stars above your horizon right now (medium size; extra-large size on iOS 27) - Sky objects in Spotlight search, plus a Shortcuts action to open the sky overhead SkyCue is intentionally narrow. It is not a full planetarium, astronomy news app, satellite tracker, telescope planner, or camera AR overlay. The widget projects the bundled star catalog for your location and does not show planet or Moon positions; above the horizon does not guarantee visibility in daylight or clouds. Location is optional and used only to calculate the visible sky. Saved objects stay on your device, and there is no account or cloud sync. The Lifetime Unlock adds the full v1 bright-object catalog, all constellation lines, complete beginner cues, Tonight Quick Picks, and saved objects. No subscription, no ads.
Math Planet
This app makes learning early math concepts fun and engaging for children aged 3-8. It uses a picture-first approach with friendly characters and simple interactions to teach counting, addition, subtraction, and more. Progress is tracked locally, and the app is designed to be ad-free and privacy-focused.
- Counting and number recognition
- Addition and subtraction
- Comparing quantities
- Picture-first learning activities
- Learn mode followed by practice
- Local progress tracking
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Math Planet turns early math into a colorful, picture-first adventure for children ages 3-8. Children learn before they practice. Friendly animals, large illustrations, clear numbers, and simple taps help young learners understand each activity without relying on long instructions. Learning activities include: - Counting and number recognition - Comparing quantities - Addition and subtraction - Sharing and grouping - Missing numbers - Extended math activities for older learners Designed for young children: - Picture-first activities with minimal text - Learn mode followed by practice mode - Large, easy-to-tap controls - Gentle visual guidance and sound feedback - Multiple languages based on device settings - Child nickname, avatar, and learning progress stored locally Privacy: Math Planet does not require an account, does not show ads, and does not upload child profile or learning data to a server. Parents can reset local profile and progress at any time in parent settings.
Screenshots
Verdict
The clearest difference is in-app purchases: Math Planet at none against SkyCue's 1. Math Planet also leads on update cadence (every 9 days vs every 3 months) and device support (3 vs 1). On price and ads 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. SkyCue sells 1 one-off in-app purchase. Math Planet asks for nothing beyond the download.
SkyCue ships an update every 3 months, Math Planet every 9 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.
| Parameter | SkyCue | Math Planet |
|---|---|---|
| Price | Free | Free |
| Rating | — | 1.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 3 months | Every 9 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | — | Free |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 18.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 74 MB |
| Age rating | 4+ | 4+ |
| Developer | Zcode | 新智 程 |
In-app purchases
SkyCue
- Lifetime Unlock$2.99
Math Planet
No in-app purchases









