FourKeys vs YesAnd 接下茬

FourKeys is a super satisfying sound button toy. 4 big buttons, tap to play — blast funny sound effects anytime on your iPhone and Apple Watch. Perfect for pranks, parties, or just stress relief. WHAT YOU CAN DO - Tap to instantly play sound effects - Create multiple keyboards with custom colors, text, and icons - Choose from 40+ built-in sound effects - Record your own sounds (up to 15 seconds) - Import audio files (MP3, M4A, WAV, and more) - Set a custom image for each key cap - Share keyboard packs with friends — swap and play! iPHONE + APPLE WATCH Manage your keyboards, record audio, and import sounds on iPhone. On the go, just raise your wrist and tap on Apple Watch — fun anytime, anywhere. INTERACTIVE WIDGET Add an iOS widget to your Home Screen. Play your favorite sounds without even opening the app — prank your friends effortlessly! FREE & PRO Free includes: • 3 keyboards • 40+ built-in sounds • Sound recording • Audio import Upgrade to FourKeys Unlimited (one-time purchase) to unlock: • Unlimited keyboards • Custom App Icons (8 color themes) • Keyboard pack import/export & sharing PRIVACY FIRST All data is stored locally on your device. No analytics, no tracking, no ads.

NextLine 接下茬 is a local-first improv practice app: draw an opening, write your reply, keep sessions on your device, and optionally share a poster so someone else can scan and continue. WHAT YOU CAN DO • Practice “what’s the next line?” with fresh openings • Save history and reopen anytime • Make share posters with an optional relay QR • Scan a code or read one from Photos to join a shared scene • Switch UI and prompt language between Chinese and English FREE & PRO Start free with a limited number of saved practices. Pro unlocks unlimited history, the full prompt library, poster personalization (custom background / hide logo), and batch import/export for backups. Practice text stays on your device by default. Before sharing, make sure the poster and link contain only content you’re comfortable passing on. SUBSCRIPTIONS • Monthly and yearly auto-renewable memberships, plus a lifetime unlock • Prices shown in the App Store at purchase • Subscriptions renew automatically unless cancelled at least 24 hours before the period ends • Manage or cancel in Settings → Apple ID → Subscriptions • Privacy: https://nextline.yihenglabs.com/privacy • Terms: https://nextline.yihenglabs.com/terms Yiheng Labs · contact@yihenglabs.com