Comparison

ReplyAI Keyboard vs Reply Lab

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

Head to head
About

ReplyAI Keyboard

Features
Read full description

AI Reply Keyboard helps you reply faster without overthinking. Get 3 natural AI-generated replies in seconds — you choose and send. Instead of thinking what to say, tap AI and instantly get replies that match the message, tone, and context. Use it in WhatsApp, Instagram, iMessage, Telegram, and any app that supports iOS keyboards. What it does • Generates 3 natural replies in 2–3 seconds • Detects the chat language automatically • Matches tone: friendly, romantic, work, family, formal • Adjusts emoji level: none, low, high • Works across all chat apps Why replies feel human • No templates — every reply is generated fresh • Tone-aware responses that fit the conversation • Writing style adapts to message length and energy Privacy first • The keyboard does not read chats automatically • Only text you manually paste is processed • No hidden tracking or background access Stop overthinking messages. Get 3 smart replies — pick one and send.

About

Reply Lab

This AI-powered keyboard generates context-aware replies directly within any messaging app, eliminating the need for copy-pasting or switching applications. It offers various reply tones, custom AI modes, and in-keyboard screenshot analysis for seamless communication.

Highlights
  • AI-powered reply generation
  • Works within any messaging app
  • 15+ reply tones
  • In-keyboard screenshot analysis
  • Customizable AI modes
  • Community marketplace for AI personalities
Features
Read full description

Never stare at a text wondering what to say. Reply Lab is the AI keyboard that writes the perfect reply inside any app you type in: iMessage, WhatsApp, Instagram, Snapchat, Tinder, Slack. No switching apps. No pasting your conversation into a chatbot. Everything happens right where you're texting. HOW IT WORKS Add Reply Lab as a keyboard, switch to it with the globe icon, and generate AI replies right where you are typing. Everything happens inside the keyboard. Even screenshot analysis runs in place, without ever leaving the conversation. KEY FEATURES Works Everywhere. One keyboard for every messaging app. Dating, work, friends, and family. 15+ Reply Tones. Professional, Flirty, Funny, Savage, Sarcastic, Smooth, Dating Coach, and more. Match the vibe of any conversation. In-Keyboard Screenshot Analysis. Paste a message or a screenshot of a conversation and get context-aware reply suggestions directly from the keyboard. Custom AI Modes. Write your own instructions to build fully personalized reply styles that respond exactly how you want. Community Marketplace. Publish your custom modes for others to discover, and browse AI personalities created by the community. Improve Mode. Highlight any draft reply and let AI polish it without losing your voice. Length Control. Short, Medium, or Long. Replies sized to fit the moment. PERFECT FOR Dating apps. That match finally messaged you back and the pressure is on. Get replies with actual rizz, from smooth openers to comebacks when they leave you on read. Work messages. Your boss texts at 9pm and "k" is not an option. Draft the professional version in seconds and get back to your evening. Group chats. Someone roasts you in front of everyone. Reply Lab has the clapback ready before the laughing emojis stop. Awkward conversations. Rescheduling plans, saying no, texting your ex back (or deciding not to). Get wording that hits the right note when the stakes feel high. WHY A KEYBOARD AND NOT ANOTHER AI APP Because the conversation is already on your screen. Switching apps to describe your situation to a chatbot, copying its answer, and pasting it back kills the moment. Reply Lab lives where you type, reads the context you give it, and drops the reply straight into the text field. The fastest path from "what do I even say" to sent. FREE TO USE Get free AI replies every day, plus free screenshot analyses to start. Upgrade to Reply Lab Pro for unlimited text replies and up to 50 screenshot analyses per day. REPLY LAB PRO Reply Lab Pro is available as an auto-renewable subscription or a one-time purchase: Weekly: $1.99 per week Annual: $29.99 per year, best value Lifetime: $79.99 one time, never renews Payment is charged to your Apple ID account at confirmation of purchase. Subscriptions automatically renew unless canceled at least 24 hours before the end of the current billing period. Your account will be charged for renewal within 24 hours before the end of the current period. You can manage or cancel your subscription anytime in Settings > Apple ID > Subscriptions. The Lifetime option is a single payment and does not auto-renew. PRIVACY Reply Lab requires Full Access to communicate with our AI service for reply generation. We do not store your conversations, sell your data, or use your messages for AI training. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://replylab.app/privacy

Screenshots

ReplyAI Keyboard4 screens
Reply Lab4 screens

Verdict

The call

ReplyAI Keyboard and Reply Lab are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. ReplyAI Keyboard sells 6 in-app purchases, starting at $2.99 per month and Reply Lab sells 4 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 5 days. Both last shipped on October 28, 2026.

ScorecardNo meaningful differences
ReplyAI Keyboard versus Reply Lab: the parameters behind the verdict, then further details
ParameterReplyAI KeyboardReply Lab
PriceFreeFree
Rating—4.3 (24 ratings) — better
Positive reviews—83.3% of reviews
Number of ratings—24 — better
Update frequencyEvery 5 daysEvery 5 days
AdsYesYes
In-app purchasesYesYes
Monetization—Freemium
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.6 — better17
Further details — not scored
Size37 MB19 MB
Age rating4+9+
DeveloperHuseyin Sefa KucukApplication Of Technology, LLC

In-app purchases

6 purchases

ReplyAI Keyboard

Subscriptions6
  • Pro Version 1 Month$2.991 Month
  • Premium Version 1 Month$5.291 Month
  • Diamond Version 1 Month$10.491 Month
Show 3 more
  • Pro Version 1 Year$31.991 Year
  • Premium Version 1 Year$52.991 Year
  • Diamond Version 1 Year$104.991 Year
4 purchases

Reply Lab

Subscriptions3
  • Reply Lab Pro3 Days trial$1.997 Days
  • Reply Lab Pro$4.991 Month
  • Reply Lab Pro Yearly3 Days trial$29.991 Year
One-time1
  • Lifetime Pro$79.99

Questions

Is ReplyAI Keyboard free?
ReplyAI Keyboard is free to download, with in-app purchases available.
Is Reply Lab free?
Reply Lab is free to download, with in-app purchases available.
Do ReplyAI Keyboard or Reply Lab have ads?
Both ReplyAI Keyboard and Reply Lab show ads.
Which is updated more often, ReplyAI Keyboard or Reply Lab?
ReplyAI Keyboard ships an update every 5 days, and Reply Lab every 5 days. Most recently, ReplyAI Keyboard was updated on October 28, 2026 and Reply Lab on October 28, 2026.

Other comparisons