Flappy Brain vs Crown Defender
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Flappy Brain
Guide a small bird through a city by solving math puzzles. This game offers endless, mind-challenging fun with a retro pixel-art aesthetic.
- Math puzzle challenges
- Endless gameplay
- Mind-challenging fun
- Retro pixel-art graphics
- Bird navigation
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Can you navigate the little bird around the city by solving math puzzles? Endless and mind-challenging fun! All wrapped in the retro pixel-art form.
Crown Defender
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DEFEND. SURVIVE. CONQUER. Crown Defender transforms your Apple Watch into an action-packed arcade! Use the Digital Crown as your weapon and face waves of incoming threats in this fast-paced adventure. FEATURES • Innovative Digital Crown controls • Lightning-fast gameplay • Haptic feedback for immersive experience • Challenge friends with high scores • Perfect for quick gaming sessions • Free to play - no hidden costs! GAMEPLAY Simple to learn, hard to master! Turn the Digital Crown to position your defense and time your moves perfectly. Each level increases the challenge - how long can you survive? Ready to become a Crown Defender champion? Download NOW and prove your skills!
Screenshots
Verdict
The clearest difference is price: Crown Defender at Free against Flappy Brain's $0.49. Crown Defender also leads on update cadence (daily vs every 5 days). On ads, in-app purchases, 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
Crown Defender is free to download; Flappy Brain costs $0.49 up front. Neither carries in-app purchases, so what you see is what you pay.
Flappy Brain ships an update every 5 days, Crown Defender daily. The most recent releases landed on November 11, 2026 and November 8, 2026 respectively.
| Parameter | Flappy Brain | Crown Defender |
|---|---|---|
| Price | $0.49 | Free — better |
| Rating | 4.8 (5 ratings) — better | — |
| Positive reviews | 83.3% of reviews | — |
| Number of ratings | 5 — better | — |
| Update frequency | Every 5 days | Daily — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Apple Watch |
| Requires iOS | 14.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 3 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Grzegorz Surma | swipe GmbH |
In-app purchases
Flappy Brain
No in-app purchases
Crown Defender
No in-app purchases
Questions
Is Flappy Brain free?
Is Crown Defender free?
Do Flappy Brain or Crown Defender have ads?
Which is updated more often, Flappy Brain or Crown Defender?
Other comparisons
