--- title: "PostFluency: AI Caption Writer - Reviews, Revenue and Downloads in Vietnam | Apple App Store" description: "Write Better Captions and Descriptions. Built Around Your Brand. PostFluency is the AI caption and description writer for entrepreneurs, creators, and social media managers who post daily and can't a" --- # PostFluency: AI Caption Writer — Vietnam > Brand DNA & Product Copy AI ![PostFluency App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/6a/22/71/6a227108-04de-fff9-c85e-cb8224e37ccb/AppIcon-0-0-1x_U007emarketing-0-11-0-85-220.png/434x0w.png) **Developer:** [Unknown](https://apptail.io/developer/unknown-mfsyrc) **Category:** Productivity **Rating:** N/A (0 ratings) **Price:** Free **Bundle ID:** com.postfluency.app **Store:** Apple App Store **Country:** Vietnam **Version:** 1.0.6 (released 2026-07-01) **Original Release:** 2026-06-15 **Languages:** English **App Store Link:** [Download on Apple App Store](https://apps.apple.com/vn/app/app/id6768597919) **AppTail Page:** [https://apptail.io/app/postfluency-ai-caption-writer-EdJA/vietnam](https://apptail.io/app/postfluency-ai-caption-writer-EdJA/vietnam) ## PostFluency Description Write Better Captions and Descriptions. Built Around Your Brand. PostFluency is the AI caption and description writer for entrepreneurs, creators, and social media managers who post daily and can't afford to waste time. Tell PostFluency about your business once. It remembers your brand voice, your audience, and your tone, and uses that context every single time you generate copy. WHAT POSTFLUENCY CREATES FOR YOU TikTok & Instagram Captions - Scroll-stopping hooks and captions for short-form video. Platform-native tone. Copy that converts. Product Descriptions - Publish-ready listings for Shopify, Etsy, Amazon. Write one item or a full catalog with consistent, sales-driven copy. Social Media Posts - Facebook, Instagram, TikTok, YouTube, LinkedIn, X. One brand voice, every platform, zero generic output. Ad Copy & Hooks - Scroll-stopping first lines and CTAs, smart and short. THE BRAND DNA SYSTEM Most AI tools forget everything the moment you close them. PostFluency doesn't. Create a Brand DNA profile for each business: tone, audience, niche, key messages. Every output pulls from that profile automatically. Running three brands? Three profiles. Switch instantly. BUILT FOR PRIVACY PostFluency works 100% locally on your device. No account required. No cloud sync. No data shared with anyone. Your brand profiles and generated copy stay on your phone. COPY HISTORY - ALWAYS SAVED Every caption and description you generate is saved locally. Browse your history, reuse your best copy, build a personal swipe file. WHO THIS IS FOR Entrepreneurs managing multiple businesses | E-commerce sellers writing product descriptions at scale | TikTok and Instagram content creators | Social media managers handling multiple clients | Small business owners who post daily | Freelance copywriters and marketing consultants Download PostFluency and write your first caption in under 30 seconds. Terms of Use: ## PostFluency Screenshots - [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/ec/49/07/ec4907b4-3ecd-deef-8d17-901b979484f9/0_Power_x.png/1284x2778.png) - [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/97/18/f8/9718f86f-1c2f-1bab-7568-b1fa712a1781/1st_Home_x.png/1284x2778.png) - [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/cc/43/01/cc430146-70de-0349-063e-70a16f0e1ebf/2nd_DNA_x.png/1284x2778.png) - [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/90/ad/36/90ad36fd-bdda-d6d2-6232-1320bea270b5/3rd_Socials_x.png/1284x2778.png) - [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/90/c8/d6/90c8d6b3-8e91-8610-919d-c2ddd1389f8e/4th_Ecom_x.png/1284x2778.png) - [Screenshot 6](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/c9/37/bc/c937bc77-a5d2-a853-55d2-7b516e60ae81/5th_history_x.png/1284x2778.png) - [Screenshot 7](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/74/ae/5d/74ae5d32-1921-632e-c1d8-5e8fed473bd4/6th_Privacy_x.png/1284x2778.png) ## PostFluency In-App Purchases | Item | Price | |------|-------| | PostFluency Pro Yearly | 1.50 đ | | PostFluency Monthly Subscription | 299.00 đ | ## Apps Similar to PostFluency - [Docusign - Upload & Sign Docs](https://apptail.io/app/docusign-upload-sign-docs-wKb/vietnam) - [Dashlane Password Manager](https://apptail.io/app/dashlane-password-manager-ekc/vietnam) - [iLovePDF - PDF Editor & Scan](https://apptail.io/app/ilovepdf-pdf-editor-scan-Yql/vietnam) - [Larva VPN - Hide your IP](https://apptail.io/app/larva-vpn-hide-your-ip-uor/vietnam) - [Grafana](https://apptail.io/app/grafana-Sywk/vietnam) - [Days Without: Break Bad Habits](https://apptail.io/app/days-without-break-bad-habits-sqeu/vietnam) ## PostFluency Available In - [Armenia](https://apptail.io/app/postfluency-ai-caption-writer-EdJA/armenia) - [Angola](https://apptail.io/app/postfluency-ai-caption-writer-EdJA/angola) - [Bulgaria](https://apptail.io/app/postfluency-ai-caption-writer-EdJA/bulgaria) - [Bahrain](https://apptail.io/app/postfluency-ai-caption-writer-EdJA/bahrain) - [Bermuda](https://apptail.io/app/postfluency-ai-caption-writer-EdJA/bermuda) - [Brunei](https://apptail.io/app/postfluency-ai-caption-writer-EdJA/brunei) - [Belize](https://apptail.io/app/postfluency-ai-caption-writer-EdJA/belize) - [Cyprus](https://apptail.io/app/postfluency-ai-caption-writer-EdJA/cyprus) - [Czechia](https://apptail.io/app/postfluency-ai-caption-writer-EdJA/czechia) - [Denmark](https://apptail.io/app/postfluency-ai-caption-writer-EdJA/denmark) - [Estonia](https://apptail.io/app/postfluency-ai-caption-writer-EdJA/estonia) - [United Kingdom](https://apptail.io/app/postfluency-ai-caption-writer-EdJA/united-kingdom) - [Grenada](https://apptail.io/app/postfluency-ai-caption-writer-EdJA/grenada) - [Croatia](https://apptail.io/app/postfluency-ai-caption-writer-EdJA/croatia) - [Iceland](https://apptail.io/app/postfluency-ai-caption-writer-EdJA/iceland) - [Jamaica](https://apptail.io/app/postfluency-ai-caption-writer-EdJA/jamaica) - [Jordan](https://apptail.io/app/postfluency-ai-caption-writer-EdJA/jordan) - [Japan](https://apptail.io/app/postfluency-ai-caption-writer-EdJA/japan) - [Sri Lanka](https://apptail.io/app/postfluency-ai-caption-writer-EdJA/sri-lanka) - [Lithuania](https://apptail.io/app/postfluency-ai-caption-writer-EdJA/lithuania) - [Luxembourg](https://apptail.io/app/postfluency-ai-caption-writer-EdJA/luxembourg) - [Latvia](https://apptail.io/app/postfluency-ai-caption-writer-EdJA/latvia) - [Madagascar](https://apptail.io/app/postfluency-ai-caption-writer-EdJA/madagascar) - [North Macedonia](https://apptail.io/app/postfluency-ai-caption-writer-EdJA/north-macedonia) - [Macao SAR China](https://apptail.io/app/postfluency-ai-caption-writer-EdJA/macau) - [Namibia](https://apptail.io/app/postfluency-ai-caption-writer-EdJA/namibia) - [Nepal](https://apptail.io/app/postfluency-ai-caption-writer-EdJA/nepal) - [Panama](https://apptail.io/app/postfluency-ai-caption-writer-EdJA/panama) - [Paraguay](https://apptail.io/app/postfluency-ai-caption-writer-EdJA/paraguay) - [Qatar](https://apptail.io/app/postfluency-ai-caption-writer-EdJA/qatar) - [Senegal](https://apptail.io/app/postfluency-ai-caption-writer-EdJA/senegal) - [Suriname](https://apptail.io/app/postfluency-ai-caption-writer-EdJA/suriname) - [Uganda](https://apptail.io/app/postfluency-ai-caption-writer-EdJA/uganda) - [Uruguay](https://apptail.io/app/postfluency-ai-caption-writer-EdJA/uruguay) - [Uzbekistan](https://apptail.io/app/postfluency-ai-caption-writer-EdJA/uzbekistan) - [Vietnam](https://apptail.io/app/postfluency-ai-caption-writer-EdJA/vietnam) --- ## About AppTail [AppTail](https://apptail.io) is a mobile app intelligence platform providing app analytics, ASO (App Store Optimization) tools, keyword tracking, competitor analysis, revenue estimates, and review monitoring for iOS App Store apps. Track your app's performance, discover ranking keywords, monitor competitors, and analyze market trends. - [Search Apps](https://apptail.io) - [Top Charts](https://apptail.io/top-iphone-apps) - [Sign Up for Full Access](https://app.apptail.io/signup?utm_campaign=ai-crawl&utm_content=footer) *Data provided by [AppTail](https://apptail.io) - Mobile App Intelligence Platform*