Lucky Defense! vs Polyfan
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Lucky Defense!
Experience a luck-based tower defense game where summoning units and merging them relies entirely on chance. Spin the roulette for a big swing and test your limits against monsters. Rise or fall based on your luck in this casual survival clash.
- Luck-based unit summoning
- Merge units for new outcomes
- Roulette for random rewards
- Tower defense gameplay
- Casual survival clash
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How far can your luck take you? Have you tested your limits? Introducing the ultimate luck-based tower defense game! Try [Lucky Defense] now and push your LUCK to the extreme! - Summoning units is all based on LUCK! Beat the odds! - Yes, it's a tower defense game! Defeat the monsters! - You can also merge units! You just never know what you'll get! - Feeling LUCKY? Take a big swing with the roulette! To rise or to fall, LUCK is the question! Lucky Defense - A casual tower defense all about LUCK
Polyfan
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Poly.fan is a private prediction market for your crew. Create markets about anything—office drama, product launches, weekend plans, or OKRs—and see who has the best judgment. Predict anything Unlike public platforms, you decide what to predict. Create Yes/No or multiple-choice markets on any topic your group cares about. Keep it private. Invite your friends, team, or community. Everyone competes on leaderboards using virtual points. This is entertainment only. Virtual points have no monetary value—you can't buy, sell, or cash them out. Perfect for friendly competition without the stakes. FEATURES • Create unlimited groups • Invite friends with shareable links • Real-time trading and updates • Group leaderboards • Push notifications for new markets and resolutions Whether you're settling debates, making team predictions, or just having fun with friends, Poly.fan turns speculation into a social game.
Screenshots
Verdict
The clearest difference is in-app purchases: Polyfan at none against Lucky Defense!'s 10. Polyfan also leads on ads (none vs shown). Lucky Defense!'s advantage is chart position (#92 vs unranked). On price, update cadence, device support and iOS requirement 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. Lucky Defense! sells 10 one-off in-app purchases. Polyfan asks for nothing beyond the download.
Lucky Defense! ships an update every 2 weeks, Polyfan every 3 weeks. The most recent releases landed on November 10, 2026 and October 31, 2026 respectively.
| Parameter | Lucky Defense! | Polyfan |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (12K ratings) — better | — |
| Positive reviews | 57.3% of reviews | — |
| Number of ratings | 12K — better | — |
| Update frequency | Every 2 weeks — better | Every 3 weeks |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Best chart rank | #92 — better | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 724 MB | 9 MB |
| Age rating | 12+ | 17+ |
| Developer | 111% | Yesper |
Bugs and requests
Lucky Defense!
Reported bugs
3 issues- Login failures and connection instability
- Recruitment/summoning not functioning as intended
- Game freezing and crashing on certain devices
Requested features
4 requests- Add a solo/single-player mode
- Implement a friends list and co-op matchmaking
- Improve the summoning/recruitment system
- Rebalance the difficulty curve
Polyfan
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Lucky Defense!
- Upgrade Trigger Package 2$3.99
- Starter Package 1$3.99
- Upgrade Trigger Package 1$4.99
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- Starter Package 2$6.99
- Scroll Trigger Package$6.99
- Wave Pass$6.99
- VVIP Package$9.99
- Upgrade Trigger Package 3$11.99
- Wave Trigger Package 1$11.99
- Upgrade Trigger Package$19.99
Polyfan
No in-app purchases









