| App | Installs | Publisher | Publisher Email | Publisher Social | Publisher Website |
| 234K | Tumblr, Inc. | - | - | https://www.tumblr.com/ | |
| 113K | Shusheng Chengdu Technology Co., Ltd. | - | - | https://www.jojoreading.com/ | |
| 112K | 北京粉笔蓝天科技有限公司 | *****@fenbi.com | - | http://fenbi.com/ | |
| 70K | 北京粉笔蓝天科技有限公司 | *****@fenbi.com | - | http://fenbi.com/ | |
| 50K | JUPITER PALACE PTE. LTD. | *****@gmail.com | - | https://www.photogrid.app/ | |
| 19K | Sony Corporation | *****@sony.singapore |   | http://www.sony.net/ | |
| 15K | 北京粉笔蓝天科技有限公司 | *****@fenbi.com | - | http://fenbi.com/ | |
| 14K | DJI | *****@dji.com |  | https://www.dji.com/ag-platform | |
| 12K | 北京粉笔蓝天科技有限公司 | *****@fenbi.com | - | http://fenbi.com/ | |
| 11K | DJI | *****@dji.com | | https://www.dji.com/ag-platform |
Full list contains 172 apps using Tumblr in the U.S, of which 148 are currently active and 30 have been updated over the past year, with publisher contacts included.
List updated on 4th May 2024
The Tumblr SDK is a Integration Services SDK provided by Tumblr Inc.. By integrated this SDK, apps have the capabilities of Social Networking.
A breakdown of countries and app categories used by Tumblr apps.
Most popular Tumblr alternatives in 2024.
| SDK | Apps Integrated | Provider |
| 719K | Meta Platforms, Inc. | |
| 375K | Meta Platforms, Inc. | |
| 56K | Twitter, Inc. | |
| 23K | Twitter4J Authors | |
| 15K | Kakao Corp. | |
| 14K | Amazon.com, Inc. | |
| 12K | LINE Corporation | |
| 9K | 深圳市腾讯计算机系统有限公司 | |
| 7K | V Kontakte LLC | |
| 6K | LinkedIn Corporation |
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