Milo Numbers vs Solar System Viewer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Milo Numbers
This app helps children learn numbers from zero to one hundred through a fun and engaging experience. It's designed to keep young learners occupied and can help them excel in preschool.
- Teaches numbers 0-100
- Fun and engaging gameplay
- Keeps children occupied
- Aids preschool learning
- Part of a learning collection
Read full descriptionHide full description
MILO NUMBERS is a great way to teach your kids the different numbers, from ZERO to ONE HUNDRED. It’s fun and engaging, and will also keep your child quite occupied on the road. After playing MILO NUMBERS for a few days, they'll be the talk of the town at preschool! Enjoy the second app of the MILO LEARNING collection.
Solar System Viewer
Explore and simulate the orbits of planets in our solar system. This app allows you to speed up or slow down time, travel to any date, and view planetary positions. It also offers widgets for your home screen and Apple Watch complications.
- Simulate planetary orbits
- Adjust time speed
- Time travel to specific dates
- Home screen widgets
- Apple Watch integration
- View planet overviews
Read full descriptionHide full description
8Planets is a simple viewer and simulator for planetary orbits in our Solar System. 8Planets helps you discover how the planets aligned and move around over time so that you feel the scale of the Solar System or even the Universe. By giving you quick and easy access to the Solar System everywhere, 8Planets will make you feel that the Solar System is close to us. FEATURES ・Planetary Motion Speed up or slow down time to see how the planets rotate over time and grasp the scale of the Solar System. ・Time Travel Travel back or forward in time to view the Solar System or planetary positions on any given date. ・Widgets Widgets allow you to display the real-time Solar System on your Home Screen. ・Watch View the Solar System on your wrist and use Digital Crown to travel back or forward in time. ・Others Apple Watch Complications, Overview of the planets, Option to show Pluto, Sharing your favorite moment of the Solar System, URL Scheme, and more.
Screenshots
Verdict
The clearest difference is price: Milo Numbers at Free against Solar System Viewer's $2.99. Milo Numbers also leads on rating (5.0 vs 4.4) and in-app purchases (none vs 4). Solar System Viewer's advantage is update cadence (every 2 months vs every 48 months) and ratings volume (28 vs 1). On 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
Milo Numbers is free to download; Solar System Viewer costs $2.99 up front. Solar System Viewer sells 4 one-off in-app purchases. Milo Numbers asks for nothing beyond the download.
Milo Numbers holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Solar System Viewer has 28 ratings behind it against 1, so its average is the more settled of the two.
Milo Numbers ships an update every 48 months, Solar System Viewer every 2 months. The most recent releases landed on October 3, 2026 and October 18, 2026 respectively.
| Parameter | Milo Numbers | Solar System Viewer |
|---|---|---|
| Price | Free — better | $2.99 |
| Rating | 5.0 (1 ratings) — better | 4.4 (28 ratings) |
| Positive reviews | — | 83.3% of reviews |
| Number of ratings | 1 | 28 — better |
| Update frequency | Every 48 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPod | iPhone, iPad, Mac, Apple Watch — better |
| Requires iOS | 10.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 24 MB | 22 MB |
| Age rating | 4+ | 4+ |
| Developer | Garrett Milovich | BLUE COMET LABS LLC |
Customer experience
Milo Numbers
Solar System Viewer
In-app purchases
Milo Numbers
No in-app purchases
Solar System Viewer
- Io Tip$1.99
- Europa Tip$3.99
- Ganymede Tip$5.99
Show 1 moreShow fewer
- Callisto Tip$9.99
Questions
Is Milo Numbers free?
Is Solar System Viewer free?
Which has better reviews, Milo Numbers or Solar System Viewer?
Do Milo Numbers or Solar System Viewer have ads?
Which is updated more often, Milo Numbers or Solar System Viewer?
Other comparisons
