Comparison
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DAU vs MAU (Daily vs Monthly Active Users)
Quick Answer
DAU measures users who engage with your product on a given day, while MAU measures unique users who engage at least once during a month — the DAU/MAU ratio reveals how 'sticky' your product is.
What is DAU?
Daily Active Users (DAU) is the count of unique users who take a meaningful action in your product on a single day. What counts as 'active' varies by product — it could be logging in, completing a core action, or any engagement event. DAU is the gold standard for measuring engagement intensity and is critical for products that aim for daily usage (social media, messaging, productivity tools). High DAU signals that users have built your product into their daily workflow.
What is MAU?
Monthly Active Users (MAU) is the count of unique users who engage with your product at least once during a 30-day period. MAU captures your total addressable engaged audience, including both power users (who use it daily) and casual users (who check in periodically). MAU is the broader engagement metric and is standard for products where daily usage isn't expected (marketplaces, finance apps, travel platforms).
Key Differences
| Feature | DAU | MAU |
|---|---|---|
| Time Window | Single day — measures who showed up today | 30-day window — measures who showed up at least once this month |
| What It Reveals | Engagement intensity — how essential is the product to daily life | Reach — how many people find value in the product at all |
| Volatility | Highly volatile — weekdays vs weekends, holidays, seasonality all impact DAU | More stable — smooths out daily fluctuations over the month |
| Best For | Products targeting daily habits: social, messaging, productivity, news | Products with natural periodic usage: finance, travel, marketplaces, tools |
| Growth Signal | DAU growth = users are building deeper habits with your product | MAU growth = you're attracting more users to try or return to your product |
| Investor Focus | VCs love high DAU for consumer apps — signals product-market fit | MAU is the baseline engagement metric most companies report |
| The Key Ratio | DAU/MAU ratio (stickiness): >50% is exceptional, 20-30% is good | MAU is the denominator — a large MAU with low DAU/MAU means casual engagement |
When Founders Choose DAU
- →Track DAU when your product's value proposition depends on daily usage. Social networks, messaging apps, and productivity tools live and die by DAU. If users aren't coming back every day, the product isn't sticky enough.
When Founders Choose MAU
- →Track MAU when daily usage isn't natural for your product category. Banking apps, travel booking, and marketplace platforms may only be used a few times per month. MAU captures the full engaged audience without penalizing natural usage patterns.
Example Scenario
A fintech app has 1M MAU and 200K DAU (DAU/MAU = 20%). This is healthy for a finance app — people check balances and make transactions a few times a week, not every day. A social app with the same ratio would be struggling — Facebook and Instagram target 50%+ DAU/MAU. The ratio matters more than either number alone because it reveals engagement quality.
Common Mistakes
- 1Defining 'active' too loosely (counting passive events like push notification receipts as activity). Comparing DAU/MAU ratios across different product categories without adjusting for natural usage frequency. Celebrating MAU growth while ignoring declining DAU/MAU ratio (you're growing but engagement is weakening). Not segmenting by user cohort — aggregate DAU can grow while individual cohort engagement declines.
Which Matters More for Early-Stage Startups?
The DAU/MAU ratio matters more than either metric alone. A product with 10K DAU and 15K MAU (67% ratio) has stronger product-market fit than one with 100K DAU and 1M MAU (10% ratio). For VCs evaluating consumer apps, the stickiness ratio is one of the strongest signals of long-term retention and defensibility.
Related Terms
Frequently Asked Questions
What is DAU?
Daily Active Users (DAU) is the count of unique users who take a meaningful action in your product on a single day. What counts as 'active' varies by product — it could be logging in, completing a core action, or any engagement event. DAU is the gold standard for measuring engagement intensity and is critical for products that aim for daily usage (social media, messaging, productivity tools). High DAU signals that users have built your product into their daily workflow.
What is MAU?
Monthly Active Users (MAU) is the count of unique users who engage with your product at least once during a 30-day period. MAU captures your total addressable engaged audience, including both power users (who use it daily) and casual users (who check in periodically). MAU is the broader engagement metric and is standard for products where daily usage isn't expected (marketplaces, finance apps, travel platforms).
Which matters more: DAU or MAU?
The DAU/MAU ratio matters more than either metric alone. A product with 10K DAU and 15K MAU (67% ratio) has stronger product-market fit than one with 100K DAU and 1M MAU (10% ratio). For VCs evaluating consumer apps, the stickiness ratio is one of the strongest signals of long-term retention and defensibility.
When would you encounter DAU vs MAU?
A fintech app has 1M MAU and 200K DAU (DAU/MAU = 20%). This is healthy for a finance app — people check balances and make transactions a few times a week, not every day. A social app with the same ratio would be struggling — Facebook and Instagram target 50%+ DAU/MAU. The ratio matters more than either number alone because it reveals engagement quality.
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