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Table of Contents ( Mark One ) ☐ ☑ UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington , D.C. 20549 FORM 20 - F REGISTRATION STATEMENT PURSUANT TO SECTION 12 ( b ) OR ( g ) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31 , 2020 . OR TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 OR SHELL COMPANY REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of event requiring this shell company report For the transition period from to Commission file number : 001-38587 Aurora Mobile Limited ( Exact name of Registrant as specified in its charter ) N / A ( Translation of Registrant's name into English ) Cayman Islands ( Jurisdiction of incorporation or organization ) 14 / F , China Certification and Inspection Building , No. 8 , Keji South 12th Road , Nanshan District Shenzhen , Guangdong 518057 People's Republic of China ( Address of principal executive offices ) Shan - Nen Bong , Chief Financial Officer 14 / F , China Certification and Inspection Building , No. 8 , Keji South 12th Road , Nanshan District Shenzhen , Guangdong 518057 People's Republic of China Phone : +86 755-8388-1462 Email : bongsn@jiguang.cn ( Name , Telephone , Email and / or Facsimile number and Address of Company Contact Person )