Comparison

ReplyAI 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

ReplyAI

This app uses AI to generate intelligent reply suggestions for your messages. You can copy individual sentences or entire replies, manage conversations with unlimited tabs, and customize themes. It offers robust security features and requires no login.

Highlights
  • AI-generated reply suggestions
  • Sentence-by-sentence copying
  • Unlimited reply creation
  • Unlimited tab management
  • Biometric authentication
  • Dark/light mode support
  • Backup and restore functionality
Features
Read full description

A powerful app that suggests replies to messages using AI. Reply suggestions can be copied sentence by sentence, so you can copy and use only the good suggestions. Supports unlimited reply suggestions, unlimited tabs, reply creation, dark/light mode switching, notifications, and biometric authentication. ■ Get reply suggestions with AI Suggests pleasant replies based on the other person's message ■ Copy reply suggestions sentence by sentence You can copy only the sentences you want to use, not the entire text ■ Generate unlimited reply suggestions Reply generation is unlimited. Get as many suggestions as you want to create the perfect reply ■ Create and copy reply text Create reply text and copy the entire text ■ Unlimited tab management Create unlimited tabs by category for efficient count management ■ Notification feature Send notifications with your favorite message at specified times ■ Rich theme settings Freely customize from a variety of color themes to match your preferences ■ Biometric authentication Enhance app security with biometric authentication ■ Tab memos Leave your favorite memos on tabs ■ Dark mode support Freely switch between system-linked, light, and dark modes ■ No login required Ready to use immediately without login ■ Highest level of security Transcription data is safely stored within the device No password input or storage required ■ Backup & restore Back up your data and restore it anytime Transfer data even when changing devices ■ Rapid support We provide rapid support when problems occur Feel free to contact us info@naokiotsu.com ■ Privacy Policy https://naokiotsu.com/privacy-policy ■ Terms of Use https://naokiotsu.com/term-of-use

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

ReplyAI4 screens
Reply Assistant4 screens

Verdict

The call

The clearest difference is iOS requirement: ReplyAI at 15.1 against Reply Assistant's 26.2. On price, update cadence, ads and in-app purchases there is nothing between them.

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 sells 1 in-app purchase, starting at $2.99 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.

UpkeepUpdate frequency

ReplyAI ships an update fortnightly, Reply Assistant every 3 weeks. The most recent releases landed on October 2, 2026 and October 7, 2026 respectively.

Scorecard1 real difference · 8 level
ReplyAI versus Reply Assistant: the parameters behind the verdict, then further details
ParameterReplyAIReply Assistant
PriceFreeFree
Rating4.0 (2 ratings) — better—
Number of ratings2 — better—
Update frequencyFortnightly — betterEvery 3 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.1 — better26.2
Further details — not scored
Size52 MB4 MB
Age rating4+9+
Developernaoki otsuTaylan Karadeniz

In-app purchases

1 purchases

ReplyAI

Subscriptions1
  • Premium$2.991 Month
2 purchases

Reply Assistant

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

Questions

Is ReplyAI free?
ReplyAI 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 ReplyAI or Reply Assistant have ads?
Neither ReplyAI nor Reply Assistant shows ads.
Which is updated more often, ReplyAI or Reply Assistant?
ReplyAI ships an update fortnightly, and Reply Assistant every 3 weeks. Most recently, ReplyAI was updated on October 2, 2026 and Reply Assistant on October 7, 2026.

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