Bubblegum/Open

Open, for language learners.

Our only stakeholders are language learners — not investors. Transparency keeps us true to our goal of making the most useful language learning app.

👇 Here's where the time, money, and progress go.

Learner Progress

Lessons Completed — Daily

2k1.5k1k5000
Aug 22Sep 6Sep 20

The Numbers

App Installs — Daily

2k1.5k1k5000
Aug 21Sep 5Sep 19

What Learners Are Studying

Lessons Completed

Aug 22Sep 6Sep 20

Total (Last Month)

See Full Breakdown

Spend & Revenue

Total Expenses

$238,197

Updated September 8, 2026

Net Revenue

$12,674

Updated Live

Monthly Spend & Revenue

SpendRevenue
$100k$75k$50k$25k$0
Nov 2024Oct 2025Sep 2026

What Your Subscription Supports

  • Marketing35%$82,736
  • Infrastructure31%$74,831
  • People15%$34,766
  • AI Inference8%$18,501
  • Tools & Services5%$11,947
  • Illustrations & Animations3%$6,618
  • Language Learning2%$4,006
  • Taxes & Fees1%$3,487
  • Platform Fees0%$1,139
  • Other0%$166

Funding

VCs & Outside Investors$0
Personal Savings$275,000
Loans from Family$40,000

Bubblegum Makers

How We Got Here

  1. 2024

    July

    First prototypes using LLMs to generate comprehensible input for language learners.

  2. 2025

    November

    Bubblegum arrives on the App Store.

    December

    Bubblegum arrives on Google Play.

  3. 2026

    April

    Launched /open — finances, metrics, and salaries, public.

    May

    A learner in Thailand became our first Bubblegum Pro, on an annual plan.