What is an event?

Statsig records an event when your application calls the Statsig SDK to check whether a user should be exposed to a feature gate or experiment, to log an event for a custom metric, or to check a dynamic config. Statsig drops duplicate exposure events for the same user on the client within a period of one hour. This avoids counting multiple events for exposure checks triggered by frequent React style re-rendering.

How do I get started with the Statsig?

When you create a Statsig account, you automatically start with Statsig’s Always Free, On-demand tier where you can log up to 5 million events every calendar month for no charge.

Can I roll over any free, unused events into the next month?

No, if you don’t log up to 5 million events in a given calendar month, the remaining events balance doesn’t roll over to the next month. To maximize your On-demand benefits, we encourage you to log as many events as required to adequately capture the impact of the product improvements you’re testing.

What happens if I exceed the free events limit?

If you exceed the free events limit, you’ll start to accrue a charge at the On-demand rate with built-in volume discounts. For a given month, you accrue a charge only for events that exceed the free limit that month. Statsig alerts you via email when your usage exceeds the free limit using the email address that you used to create your Statsig account. You can also choose to lock down your account to never exceed the free limit by turning on “Automatically turn off event logging after 5 million events” in your Project Settings. When you turn on this setting, Statsig will no longer record your events though your application will continue to work and deliver the right exposures to your users as before.

What are the On-demand pricing discounts?

We like transparency and pricing should be no different. Our pricing is usage-based and the rate declines as the volume increases. The more you use, the lower the rate per event. Here’s how we calculate your price based on the number of events consumed per month.

We also offer an additional discount if you choose to commit for 12 months of usage.

When will Statsig charge me?

Statsig generates an invoice for the previous month at the beginning of each new month. When you wish to submit a payment for a given invoice, we accept your payment method via Stripe and charge the amount listed in the invoice that you wish to pay.

How do I monitor my On-demand usage?

To monitor your On-demand usage, navigate to the Project Settings and click on the Usage & Billing tab on the Statsig console at https://console.statsig.com. See our documentation for more details.

Example 1: Personal Finance App

Say, a personal finance app has about 400,000 monthly active users (MAUs).

Their users log into this app about twice a month to initiate a financial transaction, monitor their portfolio and assets, and track their spend. This means that the app is likely to have roughly 7% (2/30) of MAUs logging in every day, resulting in about 28,000 daily active users (DAUs).

Let’s suppose the app generally has about 10 experiments running at any given time and tracks about 30 metrics to evaluate the experiment. This results in the app logging 40 events per DAU (10 experiment exposures + 30 event logs)

28,000 x 40 = 1.12 million events per day

This translates to 1.12 million x 30 = 33.6 million events per month that amount to $2,180 per month with Statsig’s volume discounts. With up to 25% discount for committed annual usage with upfront payment, this customer could pay as low as $19,620 per year.

Example 2: Shopify E-commerce App

Say, a Shopify e-commerce app has about 200,000 monthly active users (MAUs).

Their users purchase items about twice a month. This means that the app sees about 7% (2/30) of MAUs logging in everyday, resulting in about 14,000 daily active users (DAUs).

Let’s suppose the app generally has about 5 experiments running at any given time and tracks about 15 metrics to evaluate the experiment. This results in the app logging 20 events per DAU (5 experiment exposures + 15 event logs)

14,000 x 20 = 280,000 events per day

This translates to 280,000 x 30 = 8.4 million events per month that amount to $755 per month with Statsig’s volume discounts. With up to 25% in discount for committed annual usage with upfront payment, the customer could pay as low as $6,795 per year.

Example 3: Wellness Mobile App

Say, a popular wellness mobile app has about 500,000 monthly active users (MAUs).

Their users log into the app about 3 times a week on average. This means that the app sees about 43% of MAUs logging in everyday, resulting in about 215,000 daily active users (DAUs).

Let’s suppose the app generally has about 10 experiments running at any given time and tracks about 15 metrics to evaluate the experiment. This results in the app logging 25 events per DAU (10 experiment exposures + 15 event logs)

215,000 x 25 = 5.375 million events per day

This translates to 5.375 million x 30 = 161.25 million events per month that amount to about $6,638 per month with Statsig’s volume discounts. With up to 25% in discount for committed annual usage with upfront payment, the customer could pay as low as $59,738 per year.

Example 4: Gaming App

Say, a popular gaming app has about 1,000,000 monthly active users (MAUs).

This app has a subset of power users who log in everyday and a long tail of users who log in less frequently. Say about 12% of their MAUs log in everyday, resulting in about 120,000 daily active users (DAUs).

Let’s suppose the app has about 10 experiments running at any given time and tracks about 190 metrics to evaluate the experiment. This results in the app logging about 200 events per DAU (10 experiment exposures + 190 event logs)

120,000 x 200 = 24 million events per day

This translates to about 24 million x 30 = 720 million events per month that amount to about $15,188 per month with Statsig’s volume discounts. With up to 25% in discount for committed annual usage with upfront payment, the customer could pay as low as $136,688 per year.