Comparison

Reef Busters vs Gem Core

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

Reef Busters

Unwind with a satisfying ASMR puzzle adventure where yarn balls unravel intricate patterns. Strategize to clear the board, overcome tricky tangles, and enjoy tactile, crafty fun with a feline twist. Unlock boosters and compete globally in this exciting image unraveler.

Highlights
  • Satisfying ASMR unraveling mechanics
  • Tactile and crafty puzzle gameplay
  • Challenging tangles and blockers
  • Unlockable level boosters
  • Global leaderboards and competition
  • Feline-themed characters and fun
Features
Read full description

Dive in. Send out the fish. Let the busting begin! Welcome to Reef Busters, a colorful underwater puzzle adventure where tiny fish take on big pixel pictures, one satisfying bite at a time. Pick your colors and watch your fish swim around the board, munching through matching blocks. Chip away at playful pixel art, open up the next color, and keep clearing your way to victory. With busy little swimmers and pictures bursting with color, every move makes a splash! Small fish. Big strategy. The secret to busting the board? Choosing what to send out next. Look at the colors you can reach, plan your order, and make room for the fish you need. Space is limited, so a clever choice can keep things flowing, while a crowded lineup can leave you in deep water! Get that one-more-bite feeling. Watch schools of colorful fish sweep around the picture, nibbling away at its edges and clearing blocks bit by bit. Set against sandy seabeds, bright coral, and seashells, Reef Busters brings a playful ocean twist to the satisfying joy of clearing a puzzle. Give your fish a little extra bite. Need a hand with a tricky board? Put boosters to work and help your underwater crew keep moving. A well-timed boost can get you out of a tight spot and bring that beautifully clear board a little closer. Come for the colors. Stay for the challenge. Simple taps get your fish moving, but thoughtful choices keep them munching. Whether you’re diving in for a quick puzzle break or settling in to tackle your next challenge, there’s plenty of room for clever thinking beneath the waves. Ready to make a splash? Download Reef Busters and start busting, one bite at a time! Terms of Service: https://static.moonactive.net/legal/terms.html?lang=en Privacy Notice: https://static.moonactive.net/legal/privacy.html?lang=en

About

Gem Core

Features
Read full description

Break blocks, collect gems, and complete challenging levels.

Screenshots

Reef Busters4 screens
Gem Core4 screens

Verdict

The call

The clearest difference is ads: Gem Core at none against Reef Busters's shown. Gem Core also leads on update cadence (daily vs every 5 days). Reef Busters's advantage is iOS requirement (13.0 vs 15.6). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Reef Busters sells 21 one-off in-app purchases and Gem Core sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Reef Busters ships an update every 5 days, Gem Core daily. The most recent releases landed on October 18, 2026 and October 12, 2026 respectively.

Scorecard3 real differences · 7 level
Reef Busters versus Gem Core: the parameters behind the verdict, then further details
ParameterReef BustersGem Core
PriceFreeFree
Rating4.8 (247 ratings) — better—
Positive reviews40.0% of reviews—
Number of ratings247 — better—
Update frequencyEvery 5 daysDaily — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS13.0 — better15.6
Further details — not scored
Size273 MB97 MB
Age rating17+4+
DeveloperMoon ActiveJUMP SHIP MEDIA

In-app purchases

21 purchases

Reef Busters

One-time21
  • Yarn It 2$1.99
  • Yarn It 3$2.99
  • Yarn It 5$4.99
Show 18 more
  • Yarn It 6$5.99
  • Yarn It 7$6.99
  • Yarn It 8$7.99
  • Yarn It NoAds 8$7.99
  • Yarn It 10$9.99
  • Yarn It 13$12.99
  • Reef Busters NoAds 14$13.99
  • Reef Busters NoAds 15$14.99
  • Yarn It 15$14.99
  • Reef Busters NoAds 16$15.99
  • Reef Busters NoAds 17$16.99
  • Reef Busters NoAds 18$17.99
  • Reef Busters NoAds 19$18.99
  • Reef Busters NoAds 20$19.99
  • Yarn It 20$19.99
  • Reef Busters 80$79.99
  • Reef Busters 90$89.99
  • Reef Busters 100$99.99
2 purchases

Gem Core

One-time2
  • 200 Coins$1.99
  • 1000 Coins$8.99

Questions

Is Reef Busters free?
Reef Busters is free to download, with in-app purchases available.
Is Gem Core free?
Gem Core is free to download, with in-app purchases available.
Do Reef Busters or Gem Core have ads?
Reef Busters shows ads; Gem Core does not.
Which is updated more often, Reef Busters or Gem Core?
Reef Busters ships an update every 5 days, and Gem Core daily. Most recently, Reef Busters was updated on October 18, 2026 and Gem Core on October 12, 2026.

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