# 所思所梦 vs Echo

The clearest difference is update cadence: Echo at every 4 days against 所思所梦's every 9 days. 所思所梦's advantage is iOS requirement (15.6 vs 18.0). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. 所思所梦 sells 3 in-app purchases, starting at $0.99 per month and Echo sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for 所思所梦 against 5.0 for Echo. Both are backed by a comparable volume of ratings — 1 and 2 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

所思所梦 ships an update every 9 days, Echo every 4 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | 所思所梦 | Echo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/id1668533045/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/echo-visual-task-with-avatar/id6751596889/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 4 days** |
| Monetization | Freemium | Free with in-app purchases |
| Size | 35 MB | 18 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [彬 景](https://appshunter.io/developer/1627277340) | [俊卿 郝](https://appshunter.io/developer/1835924294) |

## What reviewers say

### 所思所梦

[App page](https://appshunter.io/ios/app/id1668533045)

This app helps you organize thoughts and dreams with multi-dimensional categorization, bidirectional linking, and spaced repetition for review. It supports various import formats, voice input, and iCloud synchronization across Apple devices. Secure your data with app lock and enjoy a comfortable dark mode.

**Highlights:** Multi-dimensional categorization, Bidirectional linking, Spaced repetition review, Import from popular reading apps, Voice input for notes and dreams, iCloud synchronization, App lock with biometric support

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 专业版月付(1个月) | $0.99 | per month |
| 专业版年付(1年) | $4.99 | per year |
| 专业版永久解锁 | $9.99 | one-time |


### Echo

[App page](https://appshunter.io/ios/app/echo-visual-task-with-avatar/id6751596889)

This app transforms daily planning into a warm and fulfilling experience with visual avatar tags for tasks. It offers a minimalist design, progress statistics, urgent alarms, and secure iCloud sync across Apple devices. No login is required to start using it.

**Highlights:** Visual avatar tags for tasks, Minimalist, distraction-free interface, Weekly and monthly progress statistics, Urgent alarms and calendar sync, Secure iCloud synchronization, No login required

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Plan | $3.99 | one-time |


## Frequently asked questions

### Is 所思所梦 free?

所思所梦 is free to download, with in-app purchases available.

### Is Echo free?

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

### Which has better reviews, 所思所梦 or Echo?

所思所梦 and Echo are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do 所思所梦 or Echo have ads?

Neither 所思所梦 nor Echo shows ads.

### Which is updated more often, 所思所梦 or Echo?

所思所梦 ships an update every 9 days, and Echo every 4 days. Most recently, 所思所梦 was updated on October 24, 2026 and Echo on October 24, 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.*