MR. SIMPLE / A-CHA by SUPER JUNIOR (슈퍼주니어) has sold 543,623 copies in Korea.
MR. SIMPLE / A-CHA certifications and sales
| Country / region | Sales | Certification / source | Certification date / sales as of | |
 Korea |
543,623 | RIAK / Gaon charts |
Korea Sales: 543,623
Certification / note: RIAK / Gaon charts
Certification Date / sales as of:
|
|
| Total sales | 543,623 | (in 1 country) |
Total
Sales: 543,623
(in 1 country)
|
Year-end chart performance for MR. SIMPLE / A-CHA
| Chart 2011 | Rank | Sales |
| South Korean Albums (Gaon) First issue Mr. Simple |
2 | 343,348 |
| South Korean Albums (Gaon) Repackage A-CHA |
7 | 129,894 |
| Chart 2012 | Rank | Sales |
| South Korean Albums (Gaon) Repackage A-CHA |
39 | 41,207 |
| South Korean Albums (Gaon) First issue Mr. Simple |
54 | 29,174 |