Comparison

Replyze vs PostAir

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Replyze

Features
Read full description

Reply to anything in seconds — in your own voice. Replyze reads any post, comment, or DM and instantly writes four ready-to-send replies in your tone. No more staring at the cursor, no more generic "Great post!" — just smart, personal replies you'll actually want to send. Because Replyze learns your voice, every reply sounds like you wrote it. It even scores how relevant each post is to you — so you spend time only where it counts. WHY PEOPLE LOVE REPLYZE - Four replies, instantly — pick the tone: Professional, Witty, Supportive, or Engage. - In YOUR voice — add your profile once and replies match how you actually write. - "% relevant to you" — know at a glance whether a post is worth your reply. - Works in every app — the Replyze keyboard drops replies straight into WhatsApp, Instagram, LinkedIn, X, Messages, and email — anywhere you type. - Share-to-reply — share any post to Replyze and get four replies back in seconds. - Reply from a screenshot — paste a screenshot and Replyze reads it for you. BUILT FOR PEOPLE WHO SHOW UP ONLINE Founders, creators, freelancers, job-seekers, and social sellers use Replyze to stay active on LinkedIn, Instagram, Reddit, and X without losing hours in the comment box. Grow your network, never miss a reply, and sound sharp every time. PRIVATE BY DESIGN The posts you reply to are never stored on our servers. Your replies are yours. Export or delete everything, any time. FREE TO START - 5 free replies every day — no credit card, just an Apple ID. - Replyze Pro: unlimited replies, no ads, and voice matching. 7-day free trial, then $5.99/month or $39.99/year. Download Replyze and write the smartest reply you've never written. Subscriptions auto-renew unless cancelled at least 24 hours before the period ends. Payment is charged to your Apple ID; manage or cancel in App Store → Subscriptions. Terms: https://replyze.co/terms Ā· Privacy: https://replyze.co/privacy

About

PostAir

Features
Read full description

PostAir writes three fitting LinkedIn comments for posts in seconds and helps you write your own posts, tailored to your persona. No copy-paste and no generic phrases. How it works: 1. Set up your persona: name, role, industry, target audience and tone. 2. Paste a LinkedIn post as text or as a link, or share it to PostAir straight from LinkedIn. 3. Tap "Generate" and pick the comment you like. Three variants to choose from: • Agreement with your own perspective • Nuance with a practical tip • Expert question with a thesis AI comment generator in your own voice: PostAir is an AI writing assistant for LinkedIn. The AI follows your persona: role, industry, target audience and tone. Comments, replies and posts sound like you, not like a machine. You pick the text and can edit it before you publish. Who is PostAir for? • Freelancers, consultants and coaches building their personal brand • Founders and executives who want to stay visible in their network • Sales and social selling: start conversations through comments • Recruiters, marketing teams and agencies with several personas • Content creators who post regularly and are short on time More visibility with less effort: Comments on posts from your industry can show your profile to new readers. PostAir gives you the first draft: paste a post, pick a suggestion, copy it and paste it on LinkedIn. You stay in the conversation while networking and save time on wording. Write LinkedIn posts: Turn a rough idea into a finished post. Choose the type of post, for example lessons learned, industry trend or discussion starter, plus hook, length and call to action. PostAir works like a ghostwriter who knows your style. More features: • Manage several personas • Full history of all generations • Sign in with Apple, LinkedIn or e-mail • German and English Subscriptions: Try it with 10 free generations. After that, choose one of three monthly plans: • Starter: 30 generations per month • Pro: 100 generations per month • Business: 300 generations per month Subscriptions renew automatically until you cancel them in your Apple account settings. About AI content: The suggestions are produced by an AI and can be inaccurate. Review every text before you publish it. In the app, you can send unsuitable results to us with "Report content". PostAir is an independent product and is not affiliated with LinkedIn Corporation. LinkedIn is a trademark of LinkedIn Corporation. Terms of Use (EULA): https://postair.ai/terms-en.html Privacy Policy: https://postair.ai/privacy-en.html

Screenshots

Replyze4 screens
PostAir4 screens

Verdict

The call

The clearest difference is update cadence: Replyze at daily against PostAir's every 9 days. PostAir's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.6). On price, ads and in-app purchases there is nothing between them.

Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

Both are free to download. Replyze sells 2 in-app purchases, starting at $7.99 per month and PostAir sells 3 in-app purchases, starting at $17.00 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Replyze ships an update daily, PostAir every 9 days. Both last shipped on October 31, 2026.

Scorecard3 real differences Ā· 3 level
Replyze versus PostAir: the parameters behind the verdict, then further details
ParameterReplyzePostAir
PriceFreeFree
Update frequencyDaily — betterEvery 9 days
AdsNoNo
In-app purchasesYesYes
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS17.615.0 — better
Further details — not scored
Size13 MB13 MB
Age rating4+4+
DeveloperMuhammad Usman ZafarHelmuth Rieger

In-app purchases

2 purchases

Replyze

Subscriptions2
  • Replyze Pro7 Days trial$7.991 Month
  • Replyze Pro7 Days trial$59.991 Year
3 purchases

PostAir

Subscriptions3
  • PostAir Starter$17.001 Month
  • PostAir Pro$45.001 Month
  • PostAir Business$89.001 Month

Questions

Is Replyze free?
Replyze is free to download, with in-app purchases available.
Is PostAir free?
PostAir is free to download, with in-app purchases available.
Do Replyze or PostAir have ads?
Neither Replyze nor PostAir shows ads.
Which is updated more often, Replyze or PostAir?
Replyze ships an update daily, and PostAir every 9 days. Most recently, Replyze was updated on October 31, 2026 and PostAir on October 31, 2026.

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