# i2DSP vs 梦谷

The clearest difference is in-app purchases: i2DSP at none against 梦谷's 10. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 梦谷 sells 10 one-off in-app purchases. i2DSP asks for nothing beyond the download.

i2DSP ships an update every 3 weeks, 梦谷 fortnightly. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | i2DSP | 梦谷 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 34.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | — | Free with in-app purchases |
| Size | 37 MB | 180 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [SEIKAKU](https://appshunter.io/developer/860317297) | [Changsha Lulizhan Technology Co., Ltd](https://appshunter.io/developer/1825870870) |

## What reviewers say

### i2DSP

[App page](https://appshunter.io/ios/app/i2dsp/id1484298898)

**Features:** macOS Compatibility

**In-app purchases:** none


### 梦谷

[App page](https://appshunter.io/ios/app/id6749139112)

Record your dreams and explore the fantastical worlds of others. Connect with fellow dreamers to share stories and create shared dream experiences. Discover the infinite possibilities where reality and dreams intertwine.

**Highlights:** Record dreams, Explore dream universes, Interact with other dreamers, Share dream stories, Create shared dream experiences, Connect with like-minded individuals

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 105个金币 | $1.99 | one-time |
| 84个金币 | $1.99 | one-time |
| 133个金币 | $2.99 | one-time |
| 203个金币 | $3.99 | one-time |
| 175个金币 | $3.99 | one-time |
| 48元产品 | $6.99 | one-time |
| 413个金币 | $7.99 | one-time |
| 128元产品 | $19.99 | one-time |
| 188元产品 | $29.99 | one-time |
| 4193个金币 | $89.99 | one-time |


## Frequently asked questions

### Is i2DSP free?

i2DSP is free to download, with no in-app purchases.

### Is 梦谷 free?

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

### Do i2DSP or 梦谷 have ads?

Neither i2DSP nor 梦谷 shows ads.

### Which is updated more often, i2DSP or 梦谷?

i2DSP ships an update every 3 weeks, and 梦谷 fortnightly. Most recently, i2DSP was updated on October 29, 2026 and 梦谷 on October 30, 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.*