# SweetKey vs ZenFlow AI Markdown Editor

The clearest difference is in-app purchases: SweetKey at none against ZenFlow AI Markdown Editor's 3. ZenFlow AI Markdown Editor's advantage is update cadence (every 8 days vs every 9 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. ZenFlow AI Markdown Editor sells 3 in-app purchases, starting at $1.99 per month. SweetKey asks for nothing beyond the download.

SweetKey ships an update every 9 months, ZenFlow AI Markdown Editor every 8 days. The most recent releases landed on October 5, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | SweetKey | ZenFlow AI Markdown Editor |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 8 days** |
| Monetization | Free | — |
| Size | 50 MB | 69 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [DAILYCAST HK LIMITED](https://appshunter.io/developer/1069756984) | [发亮 刘](https://appshunter.io/developer/1830179467) |

## 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


### ZenFlow AI Markdown Editor

[App page](https://appshunter.io/ios/app/zenflow-ai-markdown-editor/id6789410391)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ZenFlow Pro Monthly | $1.99 | per month |
| ZenFlow Pro Annual | $5.99 | per year |
| ZenFlow Pro | $8.99 | one-time |


## Frequently asked questions

### Is SweetKey free?

SweetKey is free to download, with no in-app purchases.

### Is ZenFlow AI Markdown Editor free?

ZenFlow AI Markdown Editor is free to download, with in-app purchases available.

### Do SweetKey or ZenFlow AI Markdown Editor have ads?

Neither SweetKey nor ZenFlow AI Markdown Editor shows ads.

### Which is updated more often, SweetKey or ZenFlow AI Markdown Editor?

SweetKey ships an update every 9 months, and ZenFlow AI Markdown Editor every 8 days. Most recently, SweetKey was updated on October 5, 2026 and ZenFlow AI Markdown Editor on October 8, 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.*