# Watermelon vs MindFlow 心流

The clearest difference is in-app purchases: MindFlow 心流 at none against Watermelon's 4. MindFlow 心流 also leads on update cadence (daily vs every 4 days). Watermelon's advantage is device support (3 vs 1) and iOS requirement (17.0 vs 26.0). On price and ads there is nothing between them.

Both are free to download. Watermelon sells 4 in-app purchases, starting at $5.99 per month. MindFlow 心流 asks for nothing beyond the download.

Watermelon ships an update every 4 days, MindFlow 心流 daily. Both last shipped on October 14, 2026.

## The numbers

| Metric | Watermelon | MindFlow 心流 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/watermelon-ai-sticky-notes/id6742135426/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 days | **Daily** |
| Monetization | Freemium | — |
| Size | 509 MB | 4 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Feiou Su](https://appshunter.io/developer/1763231533) | [成云 郑](https://appshunter.io/developer/1499241004) |

## What reviewers say

### Watermelon

[App page](https://appshunter.io/ios/app/watermelon-ai-sticky-notes/id6742135426)

This app transforms spoken thoughts into organized tasks, projects, and plans. It automatically breaks down goals, tracks progress beyond simple completion, and offers various views for daily planning and reflection. It's designed for users who think faster than they can type.

**Highlights:** Voice-to-task capture, AI-powered task breakdown, Multiple progress tracking types, Daily and project planning views, Calendar diary for notes and moments, Home screen widgets, On-device transcription for privacy

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cloud AI Monthly | $5.99 | per month |
| Watermelon Unlimited Annual | $29.99 | per year |
| 200 Cloud AI credits | $2.99 | one-time |
| Watermelon Unlimited Lifetime | $39.99 | one-time |


### MindFlow 心流

[App page](https://appshunter.io/ios/app/mindflow/id6755074783)

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

**In-app purchases:** none


## Frequently asked questions

### Is Watermelon free?

Watermelon is free to download, with in-app purchases available.

### Is MindFlow 心流 free?

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

### Do Watermelon or MindFlow 心流 have ads?

Neither Watermelon nor MindFlow 心流 shows ads.

### Which is updated more often, Watermelon or MindFlow 心流?

Watermelon ships an update every 4 days, and MindFlow 心流 daily. Most recently, Watermelon was updated on October 14, 2026 and MindFlow 心流 on October 14, 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.*