Comparison

LetUsReply AI vs Reply Assistant

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

Head to head
About

LetUsReply AI

Features
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Some texts you fire off without thinking. Others you stare at for ten minutes. LetUsReply handles both — with replies that actually sound like you, not a robot. Paste the message you're stuck on, pick a vibe, and get replies you'd actually send. REPLIES IN YOUR VOICE Most AI gives you stiff, generic, "Happy to help!" answers. LetUsReply learns how you text — your tone, your phrasing, your habits — so every suggestion sounds like it came from you. The more you use it, the more it sounds like you. FOR THE TEXTS YOU DREAD Say a kind but firm "no" without feeling guilty Respond to a hard, emotional message with the right words Keep it professional when it counts Be funny, flirty, or chill when it's just for fun PICK THE PERFECT TONE Choose from a full range of tones — funny, serious, flirty, professional, empathetic, sarcastic, and more — or describe your own custom tone for any situation. WORKS RIGHT WHERE YOU TEXT The LetUsReply iMessage extension keeps you in the conversation: tap the paste button to pull in the message you got, then tap any reply to drop it straight into the chat — no retyping, no fiddling to send it back. Texting somewhere else? It works with any app — WhatsApp, Gmail, Instagram, and more — just copy your favorite reply and paste it in. TRAINS ON YOU Save the replies that nail it. LetUsReply learns from your favorites to sound more like you over time. Set your texting vibe, favorite phrases, and a few simple style rules, and it follows them on every reply. MORE THAN REPLIES Summarize long messages or threads before you respond Give each person their own voice — text your partner, your boss, and the group chat differently Generate several options and pick the one that sounds most like you YOUR DATA STAYS YOURS Your style profile, preferences, and favorites are stored on your device — never uploaded. Only the message you choose to reply to is sent to generate suggestions, and it's never stored. Stop overthinking what to text back. LetUsReply instead — in your voice. LetUsReply Lite & Pro LetUsReply offers optional subscriptions for more replies per day and advanced features. Subscriptions auto-renew unless canceled at least 24 hours before the end of the period; manage or cancel anytime in your App Store account settings. Terms of Use: https://reply-mate-production.up.railway.app/terms Privacy Policy: https://reply-mate-production.up.railway.app/privacy

About

Reply Assistant

Features
Read full description

ReplyCheck helps you rewrite messages before you send them. Paste any text, choose a tone, and ReplyCheck gives you 3 natural reply options in seconds — clearer, warmer, more professional, more confident, or just more human. Use it for work messages, apologies, dating replies, follow-ups, English improvement, and everyday texts you want to get right. WHY REPLYCHECK • Rewrite before you send — no more second-guessing. • Pick from 16 tones designed for real situations. • 3 distinct reply options per rewrite, so you can pick the one that fits. • No account, no login. Everything stays on your device unless you choose to rewrite a message. FREE FEATURES • 3 rewrites per day • Three core tones: Shorter, Warmer, Professional • Save up to 5 favorite replies • Basic history PREMIUM (3-day free trial) • Unlimited rewrites • Screenshot replies — upload a chat screenshot, get reply options instantly • Advanced tones: Confident, Friendly, Polite, Apology, Dating, Work, Customer Support, Boundary Setting, Follow-up, Decline Politely, English Improver, Make It Natural, Less Rude • 5 reply variations per rewrite (instead of 3) • Tone strength slider (Soft / Balanced / Direct) • Premium templates: Apology, Late reply, Follow-up, Decline, Work, Dating, Customer Support, Boundary Setting, and more • Unlimited history • Unlimited saved replies PRIVACY ReplyCheck does not require an account. There is no analytics, no advertising, no tracker. Your rewrite history, saved replies, and preferences stay on your device. Before any data is sent, the app shows a consent screen at first launch. To generate suggestions, the message text you submit is sent securely to Google's Gemini API. See our Privacy Policy for full details. DISCLAIMER ReplyCheck provides AI-generated writing suggestions only. Always review messages before sending. AI can make mistakes. SUBSCRIPTIONS • Weekly Premium — $1.99/week, after 3-day free trial • Yearly Premium — $19.99/year, after 3-day free trial Free trials automatically renew to a paid subscription unless canceled at least 24 hours before the end of the trial period. Manage or cancel anytime in your Apple ID Subscriptions settings. Privacy Policy: https://betteryouknow.github.io/replycheck-site/privacy.html Terms of Use: https://betteryouknow.github.io/replycheck-site/terms.html Support: https://betteryouknow.github.io/replycheck-site/support.html

Screenshots

LetUsReply AI4 screens
Reply Assistant4 screens

Verdict

The call

The clearest difference is iOS requirement: LetUsReply AI at 18.0 against Reply Assistant's 26.2. On price, ads, in-app purchases and device support 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. LetUsReply AI sells 3 in-app purchases, starting at $1.99 per month and Reply Assistant sells 2 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Scorecard1 real difference Ā· 5 level
LetUsReply AI versus Reply Assistant: the parameters behind the verdict, then further details
ParameterLetUsReply AIReply Assistant
PriceFreeFree
Update frequency—Every 3 weeks
AdsNoNo
In-app purchasesYesYes
DevicesiPhoneiPhone, iPad — better
Requires iOS18.0 — better26.2
Further details — not scored
Size5 MB4 MB
Age rating12+9+
DeveloperDonald MikoTaylan Karadeniz

In-app purchases

3 purchases

LetUsReply AI

Subscriptions3
  • Lite (Monthly)$1.991 Month
  • Pro (Monthly)$4.991 Month
  • Pro (Yearly)$39.991 Year
2 purchases

Reply Assistant

Subscriptions2
  • Weekly Premium$1.997 Days
  • Yearly Premium$19.991 Year

Questions

Is LetUsReply AI free?
LetUsReply AI is free to download, with in-app purchases available.
Is Reply Assistant free?
Reply Assistant is free to download, with in-app purchases available.
Do LetUsReply AI or Reply Assistant have ads?
Neither LetUsReply AI nor Reply Assistant shows ads.

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