Crystal Guard vs Surf Evolution
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Crystal Guard
Defend a fragile crystal from waves of monsters in this unique Roguelite tower defense game. Strategically build mazes with blocks and develop powerful turrets to resist attacks. Adapt your tactics to collect crystals and secure victory.
- Roguelite gameplay
- Block puzzle maze creation
- Strategic tower defense
- Turret development
- Unique art style
- Casual puzzle elements
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In this unique Roguelite tower defense game, you play as the guardian of the Amethyst, responsible for protecting the fragile crystal from being destroyed by monsters. During the adventure, choose your favorite combination from unique turrets to cultivate, and use blocks of different shapes to create a maze to resist waves of attacks. Keep building, strengthening, and adjusting strategies until you successfully collect crystals and return to the kingdom. - Game Features - Roguelite gameplay Classic block puzzle game Strategic Tower Defense Turret development Unique art style Casual and puzzle elements [Instructions for automatic subscription service] 1.Subscription service: a) Remove All Ads For 30 Days (1 month) 2. Subscription price: a) Remove All Ads For 30 Days: the continuous monthly subscription product is US$4.99/month 3. Payment: After the user confirms the purchase and makes the payment, it will be credited to the iTunes account 4. Automatic renewal: Apple's iTunes account will be deducted within 24 hours before expiration. After the deduction is successful, the subscription period will be extended by one subscription period. 5. Turn off the service: You can go to "Settings" on your Apple phone --> Enter "iTunes Store and App Store" --> Click "Apple ID", select "View Apple ID", enter the "Account Settings" page, and click "Subscribe" ", manages automatic subscription services. If you need to cancel, just close it 24 hours before the end of each billing cycle. No fees will be deducted within 24 hours before expiration. 6. Service Agreement: https://docs.google.com/document/d/1HykzvxBclFK7aQm6PJmzIou8KlxNzPXfVznTygZWRlg/edit?usp=sharing 7. Privacy Agreement: https://docs.google.com/document/d/1BqE04-K6hoRCTml9yvIhl-SfUgRZY2dm-JDP7rgbuG4/edit?usp=sharing
Surf Evolution
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Launch yourself forward, surf across stunning environments, and see how far you can go using skill, timing, and smart upgrades. Start your ride with a powerful slingshot launch, then glide smoothly across grasslands, deserts, snowfields, and more. Collect coins, use boosters, and upgrade your hoverboard to increase speed, airtime, and distance. Every run is a chance to beat your best score! Game Features: Smooth Hoverboard Surfing – Fast, fun, and easy-to-learn controls Boost & Fly – Use boosters to gain extra speed and airtime Multiple Maps – Surf through different environments like grass, sand, and snow Upgrades & Progression – Improve your board, slingshot, and income Distance-Based Gameplay – Go farther, faster, every run Colorful 3D Graphics – Clean visuals with satisfying speed effects Whether you’re chasing high scores or just enjoying the ride, this hoverboard surfing game delivers nonstop action and progression. Perfect for quick sessions or long runs! Tap to play, boost your speed, and surf your way to victory
Screenshots
Verdict
The clearest difference is in-app purchases: Surf Evolution at none against Crystal Guard's 10. Crystal Guard's advantage is update cadence (every 2 days vs every 6 days) and iOS requirement (11.0 vs 13.0). 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. Crystal Guard sells 10 in-app purchases, starting at $4.99 per month. Surf Evolution asks for nothing beyond the download.
Crystal Guard ships an update every 2 days, Surf Evolution every 6 days. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.
| Parameter | Crystal Guard | Surf Evolution |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | — | 1 — better |
| Update frequency | Every 2 days — better | Every 6 days |
| Ads | Yes | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 283 MB | 162 MB |
| Age rating | 17+ | 4+ |
| Developer | 艳 王 | Krishna Ghate |
In-app purchases
Crystal Guard
- Remove All Ads For 30 Days$4.991 Month
- Newcomer pack$0.99
- 10 advertising coupons$1.99
- 30 advertising coupons$3.99
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- Turret pack$3.99
- Turret upgrade pack$5.99
- Golden battle pass$6.99
- 3000 Diamonds$7.99
- 70 advertising coupons$7.99
- Remove advertisements$19.99
Surf Evolution
No in-app purchases
Questions
Is Crystal Guard free?
Is Surf Evolution free?
Do Crystal Guard or Surf Evolution have ads?
Which is updated more often, Crystal Guard or Surf Evolution?
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