PostlyAI is your personal AI caption writer, voice-to-post assistant, and social media post helper. Turn messy drafts into polished captions in seconds. Just type or speak, and PostlyAI transforms your words into clean, expressive, ready-to-post content.

Perfect for Social Media Creators

  • Instagram captions and stories
  • Threads posts and replies
  • TikTok video descriptions
  • LinkedIn professional posts
  • Bios and profile introductions
  • Turning voice notes into social posts

Type or Speak — We'll Do the Rest

Got an idea but can't find the words? Just say it out loud — PostlyAI uses iOS voice-to-text and AI rewriting to instantly upgrade your raw thoughts into 3 high-quality post suggestions.

Pick your platform (Instagram, TikTok, Threads, LinkedIn) and choose a tone: casual, funny, professional, trendy, or punchy.

Features You'll Love

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Voice Input

Large input box to type or speak your ideas naturally

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AI Improve

Get instant suggestions with our advanced AI rewriting

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Platform & Tone

Easy tone & platform pickers for perfect customization

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Copy & Save

Tap to copy or favorite your best rewrites

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Privacy First

Stay private: no account required, no cloud storage

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Instant Results

Get 3 high-quality post suggestions in seconds

See PostlyAI in Action

PostlyAI main interface showing voice input and AI caption generation Voice input feature with real-time transcription in PostlyAI Platform and tone selection screen for customized captions AI-generated caption suggestions with different tones and styles Favorites and copy functionality for saving best captions

Free with Daily Limit

Free

Get up to 10 AI rewrites per day — completely free.

An optional upgrade will unlock unlimited posts (coming soon!).

Why Creators Love PostlyAI

  • Saves time on writing captions
  • Makes posts stand out & sound professional
  • Helps non-native speakers write confidently
  • Turns messy ideas into clean, human-quality text
  • Fun & simple: like having a personal editor in your pocket!

Real-World Use Cases

  • Rewrite captions to fix awkward phrasing
  • Make bios cooler or more engaging
  • Turn voice recordings into polished posts
  • Improve tone, clarity, humor, or professionalism
  • Reuse your ideas with a better twist
  • Create content for multiple platforms from one idea

Coming Soon

  • Unlimited Pro Plan
  • Hashtag assistant
  • "Make This Go Viral" mode
  • Template library for creators

Your Words. Just Sharper.

Whether posting travel updates, promoting your business, or chatting with friends — PostlyAI makes sure your captions land the right way.

Say it. Type it. We make it Postly.

Download PostlyAI on the App Store