# Dian Dian vs 爱镝数字转图表秀花火文图Echart

The clearest difference is ads: 爱镝数字转图表秀花火文图Echart at none against Dian Dian's shown. Dian Dian's advantage is update cadence (every 5 days vs every 3 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Dian Dian sells 3 in-app purchases, starting at $1.99 per month and 爱镝数字转图表秀花火文图Echart sells 3 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Dian Dian ships an update every 5 days, 爱镝数字转图表秀花火文图Echart every 3 weeks. The most recent releases landed on October 19, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Dian Dian | 爱镝数字转图表秀花火文图Echart |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 5 days** | Every 3 weeks |
| Size | 65 MB | 52 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Override SAS](https://appshunter.io/developer/1888186144) | [广西哔哩时光网络科技有限公司](https://appshunter.io/developer/1838878059) |

## What reviewers say

### Dian Dian

[App page](https://appshunter.io/ios/app/dian-dian-year-tracker/id6761432329)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $1.99 | per month |
| Premium Yearly | $8.99 | per year |
| Premium Lifetime | $22.99 | one-time |


### 爱镝数字转图表秀花火文图Echart

[App page](https://appshunter.io/ios/app/echart/id6796561152)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 爱镝数字转图表周会员 | $2.99 | per 7 days |
| 爱镝数字转图表月会员 | $3.99 | per month |
| 爱镝数字转图表年会员 | $14.99 | per year |


## Frequently asked questions

### Is Dian Dian free?

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

### Is 爱镝数字转图表秀花火文图Echart free?

爱镝数字转图表秀花火文图Echart is free to download, with in-app purchases available.

### Do Dian Dian or 爱镝数字转图表秀花火文图Echart have ads?

Dian Dian shows ads; 爱镝数字转图表秀花火文图Echart does not.

### Which is updated more often, Dian Dian or 爱镝数字转图表秀花火文图Echart?

Dian Dian ships an update every 5 days, and 爱镝数字转图表秀花火文图Echart every 3 weeks. Most recently, Dian Dian was updated on October 19, 2026 and 爱镝数字转图表秀花火文图Echart on October 14, 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.*