Forums in the Mobile App Development Niche

1. Tech Support Guy
Just missed the top 10.
http://forums.techguy.org/  

2. Apolyton Civilization Site
Forum has 5,539,587 posts.
https://apolyton.net/forum.php  

3. PetGroomer.com GroomerTALK and
Pet grooming forum for dog and cat groomers and mobile.
http://www.petgroomerforums.com/chat/forum.php  

4. Ubuntu Forums
A help and support forum for Ubuntu Linux.
http://ubuntuforums.org/  

5. www.dreamincode.net
https://www.dreamincode.net/forums/  

6. PPCGeeks
PPCGeeks is a site for PPC owners with discussion, reviews, news, links, downloads, and much much more. We cover Windows Mobile, Android, Windows Phone 7, Blackberry, iOS, and tablets.
http://forum.ppcgeeks.com/  

7. www.daniweb.com
Programming Forum - Our Programming forum category encompasses application development, web development, programming theory, and everything in between.
https://www.daniweb.com/programming/4  

8. Actualized.org Forum
A community of people interested in self-actualization, personal development, consciousness work, meditation, and enlightenment. Ask questions, share resources, get advice. Join for free.
https://www.actualized.org/forum/  

9. Webmasters, SEO, Internet Marketing & Digital Marketing Forum
WebmasterSun is the most popular webmaster and internet marketing forums. You will find more useful information and resource here!
https://www.webmastersun.com/forums/  

10. www.hrbuzz.com.au
HR Buzz is a collaboration resource for Australian HR people.
https://www.hrbuzz.com.au/forum/  

11. thepersonaldevelopmentforum.com
Learn about Wisdom, Happiness & Excellence. Life-improvement, Personal Growth and Self-help.
https://thepersonaldevelopmentforum.com/  

12. Site Owners Forums
Forum has 190,020 posts.
https://siteownersforums.com/  

13. ABestWeb Affiliate Marketing
Read through for news and resources on software development topics, including low-code-no-code, serverless computing and programming languages.
http://www.abestweb.com/forums/  

14. RaGEZONE
Create your own MMO and MMORPG game server or find free MMORPG servers. Download the latest MMORPG server files or sell your game gold and mmorpg account. We also have programming tutorials ,...
https://forum.ragezone.com/  

15. Stargate SG-1 Roleplaying Game
https://stargatetherpg.com/forums/  

16. The PokéCommunity Forums
Forum has 271,860 topics.
http://www.pokecommunity.com/  

17. Black Sea Studios Forums
Black Sea Studios forums
http://forums.blackseastudios.com/  

18. Neowin
News, Reviews & Betas which includes large community peer support
https://www.neowin.net/forum/  

19. CodingForums.com
Web coding and development forums. Get help on JavaScript, PHP, CGI, CSS, XML, and more.
http://www.codingforums.com/  

20. Webmaster Forums
Forum has 166,833 posts.
http://www.webmasterforums.com/  

21. Whirlpool.net.au
https://forums.whirlpool.net.au/  

22. Muscular Development Forums
Forum Description
https://forums.musculardevelopment.com/forum  

23. VBForums
Forum has 662,030 topics.
https://www.vbforums.com/forum.php  

24. Manx Forums - A Discussion Board & Classifieds for the Isle of Man
Forum has 872,950 posts.
https://www.manxforums.com/forums/  

25. Games Dreams
Welcome to Games Dreams - Discussion forums for Facebook games, browsers games, MMO games, flash games, android games, iPhone iPad games, etc.
https://gamesdreams.com/  

26. RunningForums.com
This website is for sale! runningforums.com is your first and best source for all of the information you’re looking for. From general topics to more of what you would expect to find here,...
http://www.runningforums.com/index.php  

27. kirupaForum
Forum has 2,356,337 posts.
http://www.kirupa.com/forum/  

28. CodeGuru Forums
Hard hitting articles, dicussions, resources, and more all focusing for real developers in the real world.
https://forums.codeguru.com/index.php  

29. Overclockers UK Forums
Just missed out on a spot in the top 25.
http://forums.overclockers.co.uk/  

30. DJI Tello Drone Forum
DJI Ryze Tello Drone Help, Discussions and Community. If you fly the DJI Tello then you'll want to join TelloPilots.com to discuss the latest technologies and uses for the Tello drone.
https://tellopilots.com/  

31. GSM-Forum
Welcome to gsm-forum, here you find all infos about android, windows mobiles, iphones, flashing, repair, unlocking, root, development software, firmwares.
https://forum.gsmhosting.com/vbb/  

32. WarriorForum
Giving you what you need to take your internet and digital marketing to the next level since 1997. Join the community of 1+ million other marketers today.
http://www.warriorforum.com/  

33. Java Forums at the Big Moose S
https://www.coderanch.com/forums/  

34. RPG Maker Forums
Forum software by XenForo
https://forums.rpgmakerweb.com/  

35. Home Theater Forum and Systems
A forum community dedicated to home theater owners and enthusiasts. Come join the discussion about home audio/video, home theaters, troubleshooting, projects, DIY’s, product reviews and more!
http://www.hometheatershack.com/forums/  

36. www.go4expert.com
Forum has 25,140 topics.
https://www.go4expert.com/forums/  

37. Overclock.net
A forum community dedicated to overclocking enthusiasts and testing the limits of computing. Come join the discussion about computing, builds, collections, displays, models, styles, scales,...
http://www.overclock.net/f/  

38. Zend Forums
This PHP blog includes articles from experts about PHP development, security, best practices — and more.
http://forums.zend.com/  

39. BeerSmith Home Brewing Forum
BeerSmith discussion forum
https://www.beersmith.com/forum/index.php  

40. SysOpt Forums
This is a discussion forum for all aspects of computer systems optimization and customization
https://www.sysopt.com/forum.php  

41. BattleOn Forums!
https://forums2.battleon.com/f/  

42. KVR: Forum Index
KVR Audio Forum - Forum - VST Plug-in, AU, AAX, Audio Software Discussion
https://www.kvraudio.com/forum/  

43. The Admin Zone
Resources for Forum Administrators!
https://www.theadminzone.com/  

44. MacRumors Forums
Apple news and rumor discussion
http://forums.macrumors.com/  

45. geekvillage.com - Home to the Geek/Talk Discussion Forums
Webmaster Forums @ geek/talk. Signature-free discourse for serious web publishers
https://www.geekvillage.com/forums/  

46. Cable
Virgin Media (ex ntl & Telewest) Customer support and community forum
https://www.cableforum.co.uk/board/  

47. Newgrounds.com
https://www.newgrounds.com/bbs/  

48. Accessify Forum: Web Accessibility Discussion Forums
Discussion about making websites accessible to people with disabilities.
http://www.accessifyforum.com/  

49. www.elitetrader.com
Elite Trader is the #1 site for traders of stocks, options, currencies, index futures, and cryptocurrencies.
https://www.elitetrader.com/et/  

50. Vertical Reference Helicopter Forums
Forum has 125,652 posts.
https://helicopterforum.verticalreference.com/