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

The Numbers

App Installs — Daily

Spend & Revenue

Total Expenses

Net Revenue

Updated Live

Monthly Spend & Revenue

What Your Subscription Supports

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.