mehedee

Better Ads makes your ad management as simple as should be. All you need is to provide the code of your ad from admin panel.
It includes a very simple user interface in the admin panel. Paste your ad code in the input and save. And the plugin will manage the rest. 
You’ll see the ads placed in the middle of your single posts. It’s that simple!
Upcoming features: 
* Multiple Ad Provider Support 
* Improved and nicer Admin panel 
* Custom Placement of the Ads; User will be able to decide where they want the ads to show up.

Better Ads

Better Ads is aimed to make managing  ads easy on your wordpress site.

eaxjp

This plugin insert ads code such as adsense inside articles.
Search H tags at the middle of the article and insert the ads code. 
If can not insert with H tag,going to search and Insert with P tag.
Ads code sort by the access with desktop, mobile, AMP.
From Version 1.1 added these function 
Ads in top of Article 
Ads in bottom of Article 
Ads insert tag.
More infomation see <a href="https://b.eax.jp/wp/wp-plugin/15939/#en" rel="nofollow ugc">WordPress plugin Ads Into Post</a>

Ads Into Post

Plugin for putting Ads in H tags and P tags inside articles and top of article and bottom of article. Also supports AMP.

Better Ads vs Ads Into Post