Crystal Caverns! vs Pearl Gem!
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Crystal Caverns!
Engage in an addictive color-matching puzzle game where you shoot marbles to clear the board. Offers infinite puzzles in random mode and an endless challenge to test your skills. Features beautiful graphics and a variety of difficulty levels.
- Color-matching marble shooting
- Random mode with infinite puzzles
- Endless mode for continuous play
- 150 hand-designed puzzles
- Three difficulty levels
- Tracks player statistics
- Glowing marble graphics
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The free next-level bubble shooter! Crystal Caverns is an addictive color-matching puzzle game. Shoot realistic marbles to match colors and clear the board. The beginner levels are easy, but the hardest levels can be extremely devious! Play as many puzzles as you want in random mode. There are three levels to play, and infinite puzzles, so no matter how addicted you are, you will never run out! You can also play the game in Endless mode, where the puzzle is never ending, and you can keep playing for as long as you can keep up. It really keeps you on the edge of your seat! Crystal Caverns includes 150 hand-designed puzzles These puzzles were carefully tested to make sure they are as interesting as possible. We almost couldn't beat some of them, so if you want to finish them all you are in for a real challenge. - Three levels of difficulty - Random mode ensures you never run out of games - Endless mode keeps you on the edge of your seat - Puzzle mode with hand-designed levels - Tracks your stats - Beautiful glowing marble graphics
Pearl Gem!
Engage in a unique bubble-shooter adventure, breaking obstacles and combining shots to conquer levels. Collect pearls to craft beautiful gems and discover hidden treasures with a helpful companion guiding your way.
- Unique bubble-shooter gameplay
- Break through obstacles
- Collect pearls
- Create beautiful gems
- Unlock powerful boosters
- Clear layers of the Pearl Sphere
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Dive into Pearl Gem and experience a new level of bubble-shooter gameplay! Break through obstacles and combine powerful shots to beat exciting levels. Collect pearls to create beautiful gems and receive guidance from Starson, your shiny-loving companion. Enjoy smooth gameplay as you peel back layers ranging from small to massive. Once you play, you'll come back to Pearl Gem every day! Pearl Gem features: • A fresh twist on classic bubble shooter fun—with unique obstacles! • Collect pearls and craft stunning gems! • Unlock powerful boosters to help you on your journey! • Clear layers of the Pearl Sphere and uncover hidden treasures! • Guided by Starson, who loves all things shiny!
Screenshots
Verdict
The clearest difference is rating: Pearl Gem! at 4.7 against Crystal Caverns!'s 4.2. Pearl Gem! also leads on update cadence (fortnightly vs every 36 months) and ratings volume (63K vs 33). Crystal Caverns!'s advantage is in-app purchases (none vs 7) and review sentiment (86% vs 66%). On price, ads 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. Pearl Gem! sells 7 one-off in-app purchases. Crystal Caverns! asks for nothing beyond the download.
Pearl Gem! holds the better App Store score, 4.7 against 4.2. That said, the two scores are not equally well evidenced: Pearl Gem! has 63K ratings behind it against 33, so its average is the more settled of the two. Written reviews complicate that: 86% of Crystal Caverns!'s written reviews are positive against 66% of Pearl Gem!'s, so the app with the better star average is not the one people write more warmly about.
Crystal Caverns! ships an update every 36 months, Pearl Gem! fortnightly. The most recent releases landed on September 23, 2026 and September 26, 2026 respectively.
| Parameter | Crystal Caverns! | Pearl Gem! |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (33 ratings) | 4.7 (63K ratings) — better |
| Positive reviews | 86.0% of reviews — better | 66.0% of reviews |
| Number of ratings | 33 | 63K — better |
| Update frequency | Every 36 months | Fortnightly — better |
| Ads | Yes | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 72 MB | 309 MB |
| Age rating | 4+ | 9+ |
| Developer | Sarah Pierce | A Small Game AB |
Customer experience
Crystal Caverns!
Pearl Gem!
Bugs and requests
Crystal Caverns!
Not enough reviews yet to summarise bugs or requests.
Pearl Gem!
Reported bugs
4 issues- Pearl counter resets to zero
- Water level not progressing as expected
- Sound issues after ad breaks
- Excessively high pearl requirements on certain levels
Requested features
5 requests- Add more level variety and difficulty
- Introduce new game modes or challenges
- Provide an option to disable sound/music
- Improve the water level progression system
- Add a shop or customization options
In-app purchases
Crystal Caverns!
No in-app purchases
Pearl Gem!
- No Ad Breaks for 1 day!$0.99
- No Ad Breaks for 7 days!$2.99
- Coin Pack$2.99
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- Special Offer!$2.99
- Shiny Bundle$3.99
- Star Bundle$6.99
- No Ad Breaks forever!$9.99
Questions
Is Crystal Caverns! free?
Is Pearl Gem! free?
Which has better reviews, Crystal Caverns! or Pearl Gem!?
Do Crystal Caverns! or Pearl Gem! have ads?
Which is updated more often, Crystal Caverns! or Pearl Gem!?
Other comparisons
