# SweetKey vs 心动嘴替

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.

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.

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.

## The numbers

| Metric | SweetKey | 心动嘴替 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 3 days** |
| Monetization | Free | — |
| Size | 50 MB | 353 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [DAILYCAST HK LIMITED](https://appshunter.io/developer/1069756984) | [Yixin Network Technology (Guangzhou) Co., Ltd.](https://appshunter.io/developer/1882801833) |

## What reviewers say

### SweetKey

[App page](https://appshunter.io/ios/app/sweetkey/id6596753567)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### 心动嘴替

[App page](https://appshunter.io/ios/app/id6760131513)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP月卡 | $3.99 | per month |
| VIP季卡 | $6.99 | per 3 months |
| pro会员月卡 | $6.99 | per month |
| VIP年卡 | $14.99 | per year |
| pro会员季卡 | $14.99 | per 3 months |
| pro会员年卡 | $24.99 | per year |


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*