# 所思所梦 vs Viewly AI

The clearest difference is iOS requirement: 所思所梦 at 15.6 against Viewly AI's 17.0. On price, update cadence, ads and in-app purchases 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 Viewly AI sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

所思所梦 ships an update every 9 days, Viewly AI every 11 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 所思所梦 | Viewly AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id1668533045/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 11 days |
| Monetization | Freemium | — |
| Size | 35 MB | 8 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [彬 景](https://appshunter.io/developer/1627277340) | [勋 李](https://appshunter.io/developer/1492204943) |

## 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 |


### Viewly AI

[App page](https://appshunter.io/ios/app/viewly-ai-image-recognition/id6705124001)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic Monthly | $0.99 | per month |
| Pro Monthly | $2.69 | per month |
| Pro Yearly | $24.99 | per year |


## Frequently asked questions

### Is 所思所梦 free?

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

### Is Viewly AI free?

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

### Do 所思所梦 or Viewly AI have ads?

Neither 所思所梦 nor Viewly AI shows ads.

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

所思所梦 ships an update every 9 days, and Viewly AI every 11 days. Most recently, 所思所梦 was updated on October 24, 2026 and Viewly AI 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.*