Grav Box vs Reef Run
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Grav Box
Control gravity with a tap and hold to manipulate objects. Customize their appearance, explore dynamic physics, and engage in arcade challenges with leaderboards and achievements.
- Tap and hold to control gravity
- Customize grav colors and emojis
- Dynamic backgrounds and physics effects
- Arcade mode with achievements
- Global leaderboards
- In-game events like black holes
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Grav Box places gravity at your fingertips. Tap and hold on the screen to control the gravitational field around your gravs and manipulate them in limitless ways. Customize your entire experience by setting gravs to any color or emoji, explore dynamic backgrounds and physics effects, and even modify the effects of gravity itself. With custom preferences set, head to the arcade to unlock achievements and compete against global leaderboards. Be prepared for black holes, gravitational shifts, and many other in-game events that will impact your gameplay.
Reef Run
Experience a vibrant 3D arcade surfing game with quick ocean escapes. Control your board by holding the screen sides to carve, release to coast, and ride currents. Explore diverse coastal destinations, collect pearls, and customize your surfer with unique gear and characters.
- 3D arcade surfing gameplay
- 28 explorable coastal destinations
- Collect pearls and power-ups
- Customize character and gear
- Unlockable boards with unique perks
- Permanent 100-level reward track
- Offline play supported
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One more wave. One bigger jump. One new personal best. Carve through turquoise water, chase moving jump waves and dodge reefs, sharks and swooping seabirds. Reef Run is a colorful 3D arcade surfing game you can pick up in seconds: hold either side to turn and release to coast. 35 COASTS. YOUR KIND OF CHALLENGE. Choose relaxed water, fast runs or the new Breakwater Gauntlet: an expert coast with rock jetties across your path. Catch the approach wave to jump clear, or carry a reef shield through the barrier. Fresh layouts keep familiar coasts surprising. GO FASTER. CATCH MORE AIR. Longer runs build speed and pressure. Follow pearl trails around reefs, land automatic air tricks and thread flow gates for bonus points. Board powers add speed bursts, score bonuses, magnets and shields. FIND YOUR SURF STYLE. Start with either Coastal Surfer or Coastal Surfer - Nat, both free. Earn boards, outfits, hats, characters and bold trails through play. Mix your favorite look, from tropical colors to lightning, rainbows and comets. 100 LEVELS OF REWARDS. The permanent Wave Pass rewards surfing, collecting pearls and landing jumps. Earn XP, unlock gear, spend pearls and complete challenges. Optional paid level skips are available; every Wave Pass reward remains earnable through play. CHASE THE HIGH SCORE. Optional Game Center leaderboards have separate rankings for regular boards and purchased Overdrive boards. Set waves and sound effects to the volumes you like. PLAY FREE, EVEN OFFLINE. Core gameplay needs no game account or subscription. Ads may appear after every two completed runs; an optional rewarded ad offers one second chance per run when available. Ads, purchases, restores and Game Center require internet access. Six optional one-time packs each include a board with enhanced powers, top, shorts, hat, trail and character. Purchased Overdrive boards have the strongest powers. Restore purchased packs using the same Apple Account. Progress and purchased level skips are saved on this device and do not transfer or restore after deleting the app. Pick your coast. Find your line. Catch your wave.
Screenshots
Verdict
The clearest difference is update cadence: Reef Run at every 5 days against Grav Box's every 5 months. Grav Box's advantage is ratings volume (26 vs 2) and iOS requirement (14.0 vs 16.0). On price, rating, ads and in-app purchases 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. Grav Box sells 10 one-off in-app purchases and Reef Run sells 7 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
Reef Run holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Grav Box has 26 ratings behind it against 2, so its average is the more settled of the two.
Grav Box ships an update every 5 months, Reef Run every 5 days. The most recent releases landed on October 24, 2026 and October 29, 2026 respectively.
| Parameter | Grav Box | Reef Run |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (26 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 96.0% of reviews | — |
| Number of ratings | 26 — better | 2 |
| Update frequency | Every 5 months | Every 5 days — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 14.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 10 MB | 15 MB |
| Age rating | 4+ | 12+ |
| Developer | Gianluca Capraro | Daybreak Energy LLC |
Customer experience
Grav Box
Reef Run
In-app purchases
Grav Box
- Gold Blocks (100) Pack$0.99
- Light Portal$0.99
- Dark Portal$0.99
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- Grav Box$0.99
- Midnight$0.99
- Daybreak$0.99
- Beach$0.99
- Jungle$0.99
- Mist$0.99
- Gold Blocks (1000) Pack$4.99
Reef Run
- Wave Pass Level Skip$0.99
- Tideglass Pack$1.99
- Sunbreak Pack$1.99
Show 4 moreShow fewer
- Moonpool Pack$1.99
- Coral Carnival Pack$1.99
- Polar Glow Pack$1.99
- Starfall Pack$1.99









