Gravity One vs Watermelon
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Gravity One
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The purpose of Gravity One is to get the Ball to the Worm Hole past the Gravity Well. As many times as possible, using as little thruster fuel as possible. Forever and ever until the end of time. -Enjoy the effects of gravity to guide the Ball to Worm Hole. -Drag the Ball to define speed and direction and perhaps you can get the Ball to Worm Hole. -Use thrusters to guide the Ball but beware the cost of using thrusters. -Ball, Gravity Well and Worm Hole randomly placed in each game. -Infinite number of regions to complete. -Tens of achievements to achieve. -No advertisements.
Watermelon
Merge smaller celestial bodies to create larger planets and expand your solar system. Earn points by combining planets and aim for the highest score to climb the global leaderboard. Enjoy a unique space exploration and merging experience.
- Merge planets
- Explore solar system
- Earn points
- Climb leaderboard
- High score challenge
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Explore the solar system in a different way. Merge smaller planets to reach larger planet. Combining larger planets allows you to earn more points. Make the highest score and get to the top of the Leaderboard!
Screenshots
Verdict
The clearest difference is ads: Gravity One at none against Watermelon's shown. Watermelon's advantage is update cadence (every 2 days vs every 9 months) and iOS requirement (12.0 vs 18.0). On price, in-app purchases and device support 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. Neither carries in-app purchases, so what you see is what you pay.
Gravity One ships an update every 9 months, Watermelon every 2 days. The most recent releases landed on October 2, 2026 and October 24, 2026 respectively.
| Parameter | Gravity One | Watermelon |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (3 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 3 — better |
| Update frequency | Every 9 months | Every 2 days — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | — | Ad-supported |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 18.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 15 MB | 116 MB |
| Age rating | 4+ | 17+ |
| Developer | Sami Salkosuo | Davut Inat |
In-app purchases
Gravity One
No in-app purchases
Watermelon
No in-app purchases
