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Business Intelligence · head to head

ChartMogul vs Duolingo

ChartMogul logo

ChartMogul

Business Intelligence

Subscription analytics platform

From
Free
Rated
-
Full reviewWebsite
Duolingo logo

Duolingo

Education & E-Learning

Learn a language for free, forever

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: ChartMogul the free tier stops at $10K MRR, so it lapses precisely as a company starts to matter; Duolingo free tier includes ads and energy-based hearts system limiting daily practice without paying
  • They diverge on capability: ChartMogul covers MRR Analytics, Duolingo covers 40+ languages.

Where they differ

Only the attributes on which ChartMogul and Duolingo actually diverge.

Attributes where ChartMogul and Duolingo differ
AttributeChartMogulDuolingo
Pricing modelfreemiumUnknown
PlatformsWeb, ApiiOS, Android, Web
CategoryBusiness IntelligenceEducation & E-Learning
Founded20142011

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in ChartMogul

  • MRR Analytics
  • Churn Analysis
  • Cohort Analysis
  • Customer Segmentation
  • Revenue Recognition
  • Stripe
  • Chargebee
  • Recurly

Only in Duolingo

  • 40+ languages
  • Gamification
  • Streaks
  • Leaderboards
  • Stories
  • Podcasts
  • Speaking exercises
  • AI tutor

Both cover

  • Web support

What people use each for

The jobs each tool is most often brought in to do.

ChartMogul

  • MRR trackingnot Duolingo
  • Churn analysisnot Duolingo
  • Revenue analyticsnot Duolingo
  • Subscription metricsnot Duolingo
  • Financial forecastingnot Duolingo

Duolingo

  • Language learningnot ChartMogul
  • Travel preparationnot ChartMogul
  • Career developmentnot ChartMogul
  • Cultural explorationnot ChartMogul

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

ChartMogul

  • The free tier stops at $10K MRR, so it lapses precisely as a company starts to matter
  • Starter is capped at 3 team members and a single billing system connection
  • Two-way CRM sync and warehouse integration require the Pro tier
  • Pricing scales with your ARR rather than with usage, so the bill rises as the business grows
  • Enterprise starts at $19,900 a year and is required above $10M ARR

Duolingo

  • Free tier includes ads and energy-based hearts system limiting daily practice without paying
  • Gamification focus may appeal to casual learners but lacks depth for serious language study beyond conversational basics
  • Limited to short, bite-sized lessons without extensive grammar explanations or cultural context

Pricing, plan by plan

ChartMogul

Free
  • LaunchFree
    • Under $10k MRR
    • Core Metrics
    • Basic Support
  • Scale$100/month
    • Advanced Analytics
    • Segmentation
    • API Access

Duolingo

Free
  • FreeFree
    • All language courses
    • Ad-supported
    • Limited hearts (5-heart system)
  • Super$12.99/month
    • Ad-free
    • Unlimited hearts
    • Extra practice tools
  • Super Family$119.99/year
    • Up to 6 users
    • All Super features
    • Family group
  • Max$null/mo
    • All Super features
    • Video Call with Lily
    • Roleplay scenarios

Which should you pick?

Choose ChartMogul if

  • You need mrr analytics.
  • You want to start without paying.
  • You work on Web, Api.
  • You also want churn analysis.
ChartMogul review

Choose Duolingo if

  • You need 40+ languages.
  • You want to start without paying.
  • You work on iOS, Android, Web.
  • You also want gamification.
Duolingo review

Questions people ask

Is ChartMogul or Duolingo better?
Neither clearly leads. ChartMogul starts at Free and Duolingo at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, ChartMogul or Duolingo?
ChartMogul starts at Free and Duolingo at Free.
Does ChartMogul or Duolingo run on more platforms?
ChartMogul runs on Web, Api. Duolingo runs on iOS, Android, Web.
Can I use ChartMogul for free?
Both have a free tier, so you can try either at no cost before committing.
What is ChartMogul best used for?
ChartMogul is most often used for mrr tracking, churn analysis, revenue analytics, subscription metrics. Of those, mrr tracking and churn analysis are not what Duolingo is typically brought in for.
What can ChartMogul do that Duolingo cannot?
ChartMogul covers MRR Analytics, Churn Analysis, Cohort Analysis, Customer Segmentation. Duolingo covers 40+ languages, Gamification, Streaks, Leaderboards. Both handle Web support.

Answered from the vendors’ own pages

Duolingo: What is Duolingo's pricing model?

Duolingo offers free tier with ads and limited features, Super Duolingo at $12.99/month (ad-free, unlimited hearts, extra practice), Super Family at ~$119.99/year for up to 6 users, and Duolingo Max with AI features like Video Call and Roleplay.

Source
Duolingo: Is Duolingo effective for language learning?

Duolingo has 135+ million monthly active users as of Q3 2025, making it the world's most widely used language-learning app. Its gamified approach and free tier have driven massive adoption.

Source
Duolingo: What AI features does Duolingo Max include?

Duolingo Max includes Video Call for conversation practice with AI character Lily and Roleplay for scenario-based speaking practice. As of January 2026, Explain My Answer became free for all users.

Source
Duolingo: Does Duolingo work offline?

Duolingo is primarily online, though it may offer limited offline lesson downloads on some platforms. Full features require internet connection.

Source
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