ISA exam prep course, $33K in 30 days: built for arborists

Tree Nerd Academy sells online exam preparation for arborists preparing for the ISA Certified Arborist exam. Its $33K in the last 30 days is verified through the payment provider's API by TrustMRR (Stripe), as of September 30, 2026.

What it actually sells

Tree Nerd Academy sells an Online ISA Certified Arborist exam preparation course for arborists preparing for the ISA Certified Arborist exam. The course includes expert-led lessons, practice exams, flashcards, and a structured study system.

How it charges

The product's price could not be identified on the pages we read. The Inner Circle plan includes Self-Study materials, the AI tutor, flashcards, mock exams, and lifetime community access.

Month by month

Monthly revenue as read from the payment provider by TrustMRR, in US dollars, as of September 30, 2026.

Month	Revenue (USD)
2026-01	$466
2026-02	$18,832
2026-03	$21,517
2026-04	$14,469
2026-05	$15,493
2026-06	$33,229
2026-07	$38,886
2026-08	$33,224
2026-09	$33,151

Where customers come from

The pages show a free 100-question practice exam requiring no payment or signup. They also show the Arb AI Tutor, active-recall flashcards, community access, and one-to-one instructor calls. The founder listed the audience as B2C and the market tag as Education.

What stands out

The course combines expert video lessons, text lessons, exam-mirroring questions, mock exams, and study plans. It also includes an arborist-trained AI tutor, active-recall flashcards with performance tracking, and a free practice exam weighted across all 10 ISA domains. One student reported, “Passed with a 90% on my first try.”

From the official site

arborists in training!

Active recall flashcards with performance tracking

Excerpts from the official website, fetched October 1, 2026.

Where it sits in the data

Tree Nerd Academy's $33K in the last 30 days is higher than 98% of the 5,602 projects with payment-verified revenue in our dataset; the median across them is $150. Within the “Education” category (517 projects) it is higher than 98% (category median $156). Snapshot: 2026-09-02 to 2026-09-30. The dataset only covers founders who chose to publish their numbers, so it leans toward businesses that work; use it for scale, not as an average.

Currency

All figures are in US dollars as published. A rough yuan or euro conversion is not applied here because prices, taxes and acquisition costs differ by country.

Could you build something like this?

My view is that this is feasible for a focused education business serving people preparing for a professional certification. The buyer is the candidate seeking structured exam preparation, and distribution would need to come from useful practice materials, search visibility, and referrals among candidates and instructors.

My view is that the hard parts are subject accuracy, keeping study tools aligned with exam requirements, supporting learners, and competing for attention in online education. Community access and one-to-one calls add ongoing support demands, while certification-specific content requires specialized review.

Verdict: Needs real work.

One thing to take from it

A focused preparation product can combine structured study materials, practice tests, AI support, flashcards, and community access for a specific exam audience. The free practice exam is a visible entry point, while the course page presents several paid support layers.

Sources

Tree Nerd Academy official website, fetched October 1, 2026
TrustMRR: revenue verified through the payment provider's API by TrustMRR (Stripe), as of September 30, 2026

Revenue, team and start-cost figures are what the founder reported at the interview date, not current figures and not a prediction of what you will earn. Product and pricing facts come from the business's own website as checked on 30 September 2026. Method & sources · Disclosure