Comparison

SweetKey vs 心动嘴替

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

Head to head
About

SweetKey

This utility app helps users improve their chat skills and break through awkwardness. It offers pre-written replies and character personas to facilitate smoother communication and build relationships.

Highlights
  • Copy conversations
  • Select character settings
  • One-click replies
  • Massive persona library
  • Fun and engaging replies
  • Break through awkwardness
  • Promote relationships
Features
Read full description

Sweet Keyboard - Love Chat Tool, easy to teach chat skills, help you break through awkwardness and ice, quickly promote relationships and pursue your crush. Function Introduction Sweet Keyboard: Copy conversations, select character settings, and reply with just one click [Chat persona] Massive persona, fun replies, easy to grasp 【 Opening remarks 】 Easy to speak, breaking awkwardness, smooth communication Chat intimacy: From unfamiliarity to soulmate, any relationship can be easily controlled

About

心动嘴替

Features
Read full description

喜欢一个人,却不知道说什么?用过好几个话术 App,发现都只能针对当前复制的一句话回复,换个话题就完全接不上? 【心动嘴替·恋爱键盘】首款支持上下文持续对话 + 键盘内截图分析的 AI 恋爱助手。 【和其他话术 App 最大不同】 一、上下文持续对话(核心优势) 市面上绝大多数话术 App 只能针对当前复制的这一句生成回复,一换话题就断档,回出来的话答非所问。心动嘴替能读懂你和对方的完整聊天上下文,多轮对话也能保持连贯、有记忆、像真人在聊,回复精准不尴尬。 二、键盘内截图秒回(便捷到位) 不用再切换 App 来回折腾!直接在键盘里点截图按钮,AI 立刻读懂屏幕上的对话内容并生成回复,省去复制粘贴、切出 App 的繁琐步骤,聊天节奏不被打断。 【核心功能】 • 系统级恋爱键盘:一次设置,微信、QQ、微博、小红书、探探、陌陌等所有聊天软件中通用 • 一键 AI 回复:键盘内直接生成多套话术,甜蜜、幽默、走心、霸总、高冷等风格随你挑 • 上下文记忆:AI 记住聊天全程,多轮对话依然连贯精准 • 截图即分析:键盘内一键截图,聊天内容秒变回复方案 • 多场景覆盖:日常破冰、约会邀请、表白告白、冷战和好等恋爱全阶段 • 中文输入支持:拼音输入正常使用,需要话术时一键切换到 AI 模式 【使用方法】 1. 进入 iPhone 的【设置 - 通用 - 键盘 - 键盘】,添加心动嘴替键盘 2. 打开允许完全访问(用于生成 AI 回复和读取截图) 3. 在任意聊天软件中,长按输入框左下角地球图标,切换到心动嘴替键盘 4. 点截图按钮让 AI 读懂当前对话,或直接输入话题,AI 秒出高情商回复 【隐私保护】 你的所有对话内容仅用于生成当次回复建议,我们不储存、不分析、不分享你的私人聊天记录。恋爱的秘密,只属于你。 用户协议 (EULA):https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

SweetKey4 screens
心动嘴替4 screens

Verdict

The call

The clearest difference is in-app purchases: SweetKey at none against 心动嘴替's 6. 心动嘴替's advantage is update cadence (every 3 days vs every 9 months). On price, ads, device support and iOS requirement 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. 心动嘴替 sells 6 in-app purchases, starting at $3.99 per month. SweetKey asks for nothing beyond the download.

UpkeepUpdate frequency

SweetKey ships an update every 9 months, 心动嘴替 every 3 days. The most recent releases landed on October 22, 2026 and October 25, 2026 respectively.

Scorecard2 real differences · 6 level
SweetKey versus 心动嘴替: the parameters behind the verdict, then further details
ParameterSweetKey心动嘴替
PriceFreeFree
Positive reviews100.0% of reviews—
Update frequencyEvery 9 monthsEvery 3 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.015.0
Further details — not scored
Size50 MB353 MB
Age rating4+9+
DeveloperDAILYCAST HK LIMITEDYixin Network Technology (Guangzhou) Co., Ltd.

In-app purchases

None

SweetKey

No in-app purchases

6 purchases

心动嘴替

Subscriptions6
  • VIP月卡$3.991 Month
  • VIP季卡$6.993 Months
  • pro会员月卡$6.991 Month
Show 3 more
  • VIP年卡$14.991 Year
  • pro会员季卡$14.993 Months
  • pro会员年卡$24.991 Year

Questions

Is SweetKey free?
SweetKey is free to download, with no in-app purchases.
Is 心动嘴替 free?
心动嘴替 is free to download, with in-app purchases available.
Do SweetKey or 心动嘴替 have ads?
Neither SweetKey nor 心动嘴替 shows ads.
Which is updated more often, SweetKey or 心动嘴替?
SweetKey ships an update every 9 months, and 心动嘴替 every 3 days. Most recently, SweetKey was updated on October 22, 2026 and 心动嘴替 on October 25, 2026.

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