Future Earth vs Universe Size Comparison
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Future Earth
Explore potential future geological changes on Earth over the next 250 million years. This app visually depicts the evolution of continents and oceans based on scientific understanding of plate tectonics and geologic history.
- Future geological simulations
- Continental evolution visualization
- Oceanic change depiction
- Plate tectonics based predictions
- 250 million year timeline
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Would you like to continue your travels forward in time? Well, jump on the Ancient Earth time machine app and travel forward in time to see how the world might change in the next 250 million years. This version of Ancient Earth vividly illustrates how continents and oceans might evolve. How long will the Atlantic Ocean continue to open? Is the world likely to see a new supercontinent? If so, what will it look like? Based on accumulated knowledge of plate motion and geologic history, Future Earth presents one possible future of the world’s continents.
Universe Size Comparison
Explore the vastness of space and understand celestial body dimensions through interactive 3D comparisons. Discover the scale of planets and stars, from our Sun to hypergiant stars, with guided tours and free comparison modes.
- 3D astronomical comparisons
- Tour Mode with guided explanations
- Free Mode for custom comparisons
- Scale comparisons of planets and stars
- Detailed celestial body information
- Elegant user interface
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Universe Size Comparison is a unique 3D astronomical app that will make you understand the real dimensions of the universe and how small we are. Have you ever wondered how big the Sun is compared to Earth? Or what is the largest planet between Mars and Earth? Do you want to find out the dimensions of some of the most famous stars in the sky like Rigel and Betelgeuse in comparison to our Sun? Do you want to compare everything with the hypergiant star VY Canis Majoris? Universe Size Comparison is the right app for you. The app offers two modes: Tour Mode and Free Mode. Tour mode will guide you on a spectacular journey where you will see planets and stars compared in full scale. All accompanied by simple and clear explanations regardless of the level of knowledge of the subject. The Free mode will allow you to compare two celestial bodies of your choice in scale. You will also find out more information on the bodies you are comparing thanks to an elegant user interface designed to offer the maximum user experience.
Screenshots
Verdict
The clearest difference is rating: Future Earth at 4.6 against Universe Size Comparison's 3.2. Future Earth also leads on iOS requirement (14.0 vs 17.0). Universe Size Comparison's advantage is review sentiment (70% vs 60%). On price, ratings volume, update cadence 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
Future Earth costs $1.99 and Universe Size Comparison $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Future Earth holds the better App Store score, 4.6 against 3.2. Both are backed by a comparable volume of ratings — 52 and 30 respectively. Written reviews complicate that: 60% of Future Earth's written reviews are positive against 70% of Universe Size Comparison's, so the app with the better star average is not the one people write more warmly about.
Future Earth ships an update every 2 months, Universe Size Comparison every 3 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.
| Parameter | Future Earth | Universe Size Comparison |
|---|---|---|
| Price | $1.99 | $1.99 |
| Rating | 4.6 (52 ratings) — better | 3.2 (30 ratings) |
| Positive reviews | 60.0% of reviews | 70.0% of reviews — better |
| Number of ratings | 52 — better | 30 |
| Update frequency | Every 2 months — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple TV |
| Requires iOS | 14.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 31 MB | 411 MB |
| Age rating | 4+ | +4 |
| Developer | Thomas L. Moore | Daniele Citi |
Customer experience
Future Earth
Universe Size Comparison
In-app purchases
Future Earth
No in-app purchases
Universe Size Comparison
No in-app purchases
Questions
Is Future Earth free?
Is Universe Size Comparison free?
Which has better reviews, Future Earth or Universe Size Comparison?
Do Future Earth or Universe Size Comparison have ads?
Which is updated more often, Future Earth or Universe Size Comparison?
Other comparisons
