99Mastery: Whatsapp Group Bulk Sender
By 99Mastery
Easily send messages to groups whatsapp
Time on the storeAbout 1 to 3 yearsA rough range, not an exact date
Store users421As shown on the Chrome Web Store
Chrome Web Store rating5.0 / 52 ratings on the Chrome Web Store
Last store update25 Aug 2026Version 2.9, 43 days ago
Inside the extension
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The maker
This is the only listing we know of from 99Mastery.
- Listings
- 1
- Combined store users
- ≈421
- Store Featured
- 0
Combined users can count the same person more than once. Maker profile
Ext Watch AI
Should you build in this niche?
One research report for 99Mastery: Whatsapp Group Bulk Sender. Reports come with Plus, Pro and Max.
- Takeaway & demandCited takeaway and search volumes
- Traffic & domainPopularity rank, visits and authority
- Money & pricingPlans and prices from the maker’s site
- ReviewsComplaints and praise, quoted
- Competitors & ranksRank against the closest listings
- Build opportunityWhat to build and how to position it
- Every number shows its source and date
- Ready in a minute or two
- Report and PDF yours for 30 days
