# D5 Space vs 智存

The clearest difference is update cadence: 智存 at every 4 days against D5 Space's every 2 weeks. D5 Space's advantage is iOS requirement (11.0 vs 18.0). 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.

D5 Space ships an update every 2 weeks, 智存 every 4 days. The most recent releases landed on October 30, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | D5 Space | 智存 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 4 days** |
| Size | 52 MB | 12 MB |
| Requires iOS | **11.0** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Beijing Sylincom Hypermedia Technology Co., Ltd](https://appshunter.io/developer/1467162647) | [丹 杨](https://appshunter.io/developer/1776726747) |

## What reviewers say

### D5 Space

[App page](https://appshunter.io/ios/app/d5-space/id6474482115)

**Features:** macOS Compatibility

**In-app purchases:** none


### 智存

[App page](https://appshunter.io/ios/app/id6737494345)

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

**In-app purchases:** none


## Frequently asked questions

### Is D5 Space free?

D5 Space is free to download, with no in-app purchases.

### Is 智存 free?

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

### Do D5 Space or 智存 have ads?

Neither D5 Space nor 智存 shows ads.

### Which is updated more often, D5 Space or 智存?

D5 Space ships an update every 2 weeks, and 智存 every 4 days. Most recently, D5 Space was updated on October 30, 2026 and 智存 on October 18, 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.*