GapFiller
GapFiller is an all-in-one personal workspace for teachers. Plan your school year, organize weekly lessons, manage classes, homework and teaching materials, and keep everything connected in one place.
GapFiller
GapFiller is an all-in-one personal workspace for teachers. Plan your school year, organize weekly lessons, manage classes, homework and teaching materials, and keep everything connected in one place.
Ranked #4947 on TrustMRR
4 active subscriptions
Pier302 followers on 𝕏
ItalyRevenue is verified with
Stripe API key.Last updated: Oct 17, 2026, 12:03 AM
All-in-one lesson planning workspace for teachers
Replaces scattered tools, files and notes with one organized teaching workspace
Audience
Teachers
Pricing
€59/year (Standard), €99/year (Pro), €129/year (Lifetime)
Funding
Bootstrapped
Domain Rating
gapfiller.app
Ahrefs Domain Rating measures backlink profile strength on a 0 to 100 logarithmic scale.
Market
Tech stack
Frontend
Screenshot
gapfiller.appProduct updates
Discover more startups
Advanced SearchRamen Club
The community, content & tools supporting founders to ramen profitable, and beyond.
Revenue (30d)
$33k
MRR
$14k
Total
$1.1M
Private Venture
Revenue (30d)
$6.8k
MRR
$5.9k
Total
$50k
Private Venture
Revenue (30d)
$9.5k
MRR
$2.7k
Total
$45k
Work With Alex V
Providing coaching and mentorship to aspiring software engineers.
Revenue (30d)
$3.3k
MRR
$375
Total
$17k
Christian Tech Jobs
A job board for blockchain companies, with a focus on DeFi
Revenue (30d)
$4.1k
MRR
$2.2k
Total
$40k
Chatbase
Create an AI chatbot for your business. Charge during checkout.
Revenue (30d)
$866k
MRR
$864k
Total
$19.2M