# 比特纪 vs D.space

The clearest difference is ads: D.space at none against 比特纪's shown. D.space also leads on device support (3 vs 1) and iOS requirement (12 vs 17.0). 比特纪's advantage is update cadence (weekly vs every 2 weeks). On price and in-app purchases there is nothing between them.

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

比特纪 ships an update weekly, D.space every 2 weeks. The most recent releases landed on October 24, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | 比特纪 | D.space |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/ai/id6657983900/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | Free | — |
| Size | 317 MB | 21 MB |
| Requires iOS | 17.0 | **12** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Shanghai Bipo Information Technology Co., Limited](https://appshunter.io/developer/1784419827) | [Chun Yin LI](https://appshunter.io/developer/1787854141) |

## What reviewers say

### 比特纪

[App page](https://appshunter.io/ios/app/ai/id6657983900)

This app offers a unique companionship experience with an AI that grows, remembers, and empathizes with you. It creates a personalized AI partner that lives its own life and shares its experiences, providing emotional support through voice interactions.

**Highlights:** Personalized AI companion, AI with memory and empathy, AI with independent life, Interactive voice communication, Shared growth experience, Emotional support

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

**In-app purchases:** none


### D.space

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 比特纪 free?

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

### Is D.space free?

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

### Do 比特纪 or D.space have ads?

比特纪 shows ads; D.space does not.

### Which is updated more often, 比特纪 or D.space?

比特纪 ships an update weekly, and D.space every 2 weeks. Most recently, 比特纪 was updated on October 24, 2026 and D.space on October 15, 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.*