# D.space vs 懂了！

The clearest difference is update cadence: 懂了！ at every 4 days against D.space's every 2 weeks. D.space's advantage is iOS requirement (12 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

D.space ships an update every 2 weeks, 懂了！ every 4 days. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | D.space | 懂了！ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/id6753020723/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 4 days** |
| Monetization | — | Free |
| Size | 21 MB | 47 MB |
| Requires iOS | **12** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Chun Yin LI](https://appshunter.io/developer/1787854141) | [Guangzhou Libra Culture Technology Co., Ltd.](https://appshunter.io/developer/1842188209) |

## What reviewers say

### D.space

[App page](https://appshunter.io/ios/app/dspace/id6739996700)

**Features:** macOS Compatibility

**In-app purchases:** none


### 懂了！

[App page](https://appshunter.io/ios/app/id6753020723)

Share your opinions on future events and earn virtual currency based on your predictions. Users express viewpoints on real-world, unhappened issues, with winners taking all virtual points from losers. Expected earnings fluctuate with total IQ invested before outcomes are revealed.

**Highlights:** Express opinions on future events, Earn virtual currency (IQ), Win IQ from losing participants, View fluctuating expected earnings, Participate in real-world issue predictions

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

**In-app purchases:** none


## Frequently asked questions

### Is D.space free?

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

### Is 懂了！ free?

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

### Do D.space or 懂了！ have ads?

Neither D.space nor 懂了！ shows ads.

### Which is updated more often, D.space or 懂了！?

D.space ships an update every 2 weeks, and 懂了！ every 4 days. Most recently, D.space was updated on November 4, 2026 and 懂了！ on November 5, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*