# 简道云 vs D2M eFly

The clearest difference is update cadence: D2M eFly at every 11 days against 简道云's every 2 months. 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.

简道云 ships an update every 2 months, D2M eFly every 11 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 简道云 | D2M eFly |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 11 days** |
| Size | 25 MB | 154 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [帆软软件有限公司](https://appshunter.io/developer/1855769557) | [鸿 朱](https://appshunter.io/developer/1896768340) |

## What reviewers say

### 简道云

[App page](https://appshunter.io/ios/app/id6755710065)

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

**In-app purchases:** none


### D2M eFly

[App page](https://appshunter.io/ios/app/d2m-efly/id6777665785)

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

**In-app purchases:** none


## Frequently asked questions

### Is 简道云 free?

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

### Is D2M eFly free?

D2M eFly is free to download, with no in-app purchases.

### Do 简道云 or D2M eFly have ads?

Neither 简道云 nor D2M eFly shows ads.

### Which is updated more often, 简道云 or D2M eFly?

简道云 ships an update every 2 months, and D2M eFly every 11 days. Most recently, 简道云 was updated on October 30, 2026 and D2M eFly on October 31, 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.*