# Topic: Retention

> Making the habit stick: retention, churn, cohorts, and engagement loops.

- 32 entries

- [User Retention Strategies: Choose the Next Test](https://www.productgrowth.blog/p/user-retention-strategies) (Sep 6, 2026) — A user retention playbook for defining a meaningful return, diagnosing a cohort gap, and testing one hypothesis with a guardrail and stop rule.
- [Why Personal Finance Apps Fail at User Retention](https://www.productgrowth.blog/p/personal-finance-app-user-retention) (Aug 22, 2026) — Personal finance apps fail user retention when they optimise for account linking and dashboard visits instead of recurring financial decisions and visible progress.
- [Loyalty Programs and Retention: What Transfers to SaaS](https://www.productgrowth.blog/p/loyalty-programs-customer-retention) (Aug 8, 2026) — Loyalty programs work conditionally, and the condition that matters most inverts the instinct: they move light and moderate buyers, not your best accounts.
- [Marketplace Retention: Stop Measuring Both Sides as One](https://www.productgrowth.blog/p/marketplace-customer-retention) (Aug 8, 2026) — Marketplace retention is two problems, not one: supply churns for different reasons than demand, and a blended number hides which side is actually leaking.
- [Customer Retention Cost: Formula, Example, and CAC Ratio](https://www.productgrowth.blog/p/customer-retention-cost) (Aug 7, 2026) — The customer retention cost formula, a worked example with the costs teams forget, and why CRC has no industry benchmark. Compare it to your own CAC instead.
- [Customer Retention Software: How to Pick (and When Not To)](https://www.productgrowth.blog/p/customer-retention-software) (Aug 7, 2026) — Retention software is not one category, it is eight. How to tell which job you are buying for, the number to check first, and when you need no platform at all.
- [Customer Acquisition and Retention: How to Balance Both](https://www.productgrowth.blog/p/customer-acquisition-and-retention) (Jun 28, 2026) — Acquisition and retention are one growth system, not a tradeoff. How the two compare, where they meet in the LTV:CAC ratio, and how to weight them by stage.
- [Customer Retention Metrics: The 12 That Matter Most](https://www.productgrowth.blog/p/customer-retention-metrics) (Jun 28, 2026) — The retention metrics worth tracking: retention rate, churn, NRR, stickiness, activation and NPS, with the good SaaS number for each and which to watch first.
- [Customer Retention Strategies That Move the Number](https://www.productgrowth.blog/p/customer-retention-strategies) (Jun 27, 2026) — Retention plays that move the number: nail activation, build a habit loop, cut time to value, run lifecycle and win-back, and expand the accounts you keep.
- [What Is Customer Retention (and Why It Decides Growth)](https://www.productgrowth.blog/p/customer-retention) (Jun 27, 2026) — Customer retention is the share of customers a business keeps over a period. The definition, the formula, why it beats acquisition, and how to measure it.
- [Wispr Flow Growth: Activation Beats Launch Hype](https://www.productgrowth.blog/p/wispr-flow-growth-teardown) (Apr 6, 2026) — Wispr Flow's useful growth lesson is cross-app activation: get people from a demo into a familiar workflow, then measure repeat use, edits, and trust.
- [How Gamma Turned a 95% Drop-Off into $100M ARR](https://www.productgrowth.blog/p/gamma-growth-teardown-100m-arr) (Feb 28, 2026) — Gamma fixed a 95% drop-off with one AI bet: generate the first draft for the user. That took it from 60K to 3M users in three months, and on to $100M ARR.
- [Churn Rate](https://www.productgrowth.blog/calculators/churn-rate) — Churn rate is customers lost divided by customers at the start of a period. Run your own numbers against real monthly churn benchmarks by industry.
- [Hacking Growth with GPT-5](https://www.productgrowth.blog/p/gpt-5-and-growth-hacking) (Aug 11, 2025) — Turning GPT-5 into a repeatable growth engine: reliable agent workflows for research, programmatic SEO and onboarding that cut CAC and lift activation.
- [How Duolingo Hooks Users?](https://www.productgrowth.blog/p/how-duolingo-hooks-users) (Sep 2, 2024) — How Duolingo turns a language app into a daily habit: the trigger, the three-minute lesson, the variable reward, and the streak nobody wants to break.
- [Engagement Rate](https://www.productgrowth.blog/calculators/engagement-rate) — Engagement rate is engaged users divided by total users or reach, times 100. Run your own numbers against real engagement benchmarks by industry.
- [Cohort retention projection](https://www.productgrowth.blog/tools/cohort-analysis) — Cohort retention projection shows what a chosen Month 1 assumption and later-month multiplier would produce over 12 months. It does not measure event data.
- [Daily Active Users (DAU)](https://www.productgrowth.blog/calculators/daily-active-users-dau) — DAU counts the unique people who do something meaningful in your product each day. Get your DAU/MAU stickiness and what counts as good by industry.
- [Monthly Active Users (MAU)](https://www.productgrowth.blog/calculators/monthly-active-users-mau) — MAU counts the unique people who take a meaningful action in your product in a month. Get your MAU, its growth rate, and how that compares by industry.
- [Monthly Recurring Revenue (MRR)](https://www.productgrowth.blog/calculators/monthly-recurring-revenue-mrr) — MRR is new plus expansion minus churned recurring revenue. Run your own numbers, then check month-over-month growth against benchmarks by industry.
- [Net Promoter Score (NPS)](https://www.productgrowth.blog/calculators/net-promoter-score-nps) — NPS is promoters minus detractors on a 0 to 10 recommend question, scored from -100 to 100. Calculate yours, then check it against benchmarks by industry.
- [Expansion Revenue](https://www.productgrowth.blog/calculators/net-revenue-retention) — Expansion revenue is what existing customers add through upgrades, seats and usage. Calculate it, then judge it against net revenue retention benchmarks.
- [Customer Lifetime Value (LTV)](https://www.productgrowth.blog/calculators/customer-lifetime-value-ltv) — LTV is the total gross profit one customer generates before they churn. Run the formula, see a worked example, and compare against benchmarks by industry.
- [Retention Rate](https://www.productgrowth.blog/calculators/retention-rate) — Customer retention rate is the share of a fixed starting cohort still active at period end. Calculate it with stable IDs and compare that cohort over time.
- [How Netflix, Apple, Slack & Starbucks Won the Billion-Dollar Market](https://www.productgrowth.blog/p/how-netflix-apple-slack-starbucks-won-the-billion-dollar-market) (Jul 31, 2023) — What Netflix, Apple, Slack and Starbucks each read correctly about customer behaviour, and the analysis mistakes that cost everyone else the same market.
- [User Behavior Analytics: A Guide to Understanding and Optimizing Customer Journeys](https://www.productgrowth.blog/p/user-behavior-analytics-a-guide-to-understanding-and-optimizing-customer-journeys) (Jul 3, 2023) — What to track when you want to know why users drop off: the metrics that matter, the tools worth setting up, and how to turn a session recording into a fix.
- [Product Market Fit: Everything You Need To Know.](https://www.productgrowth.blog/p/product-market-fit-everything-you-need-to-know) (Jun 28, 2023) — What product-market fit actually is, how to tell when you have it, the target market question that comes first, and the engagement signals that confirm it.
- [Gamification to Fuel Sustainable Product Growth](https://www.productgrowth.blog/p/gamification-to-fuel-sustainable-product-growth) (Jun 17, 2023) — Where game mechanics genuinely build loyalty and where they tip into gimmickry, plus how to tell ethical design from manipulation before you ship it.
- [Product Growth: Leveraging Product Metrics, Cohorts, and Counter-Metrics for Sustainable Success](https://www.productgrowth.blog/p/product-growth-leveraging-product-metrics-cohorts-and-counter-metrics-for-sustainable-success) (May 20, 2023) — Which product metrics to trust, how cohorts expose what averages hide, and why every growth metric needs a counter-metric to stop it being gamed.
- [Exploring the Rise of Product-Led Growth: A Brief History and Methodology](https://www.productgrowth.blog/p/exploring-the-rise-of-product-led-growth-a-brief-history-and-methodology) (Apr 8, 2023) — Product-led growth traced from 1980s door-to-door selling through telesales, outbound and content marketing, to the era where the product does the selling.
- [How Data Analysis and User Experience Strategies Led to Unprecedented Growth of Twitter.](https://www.productgrowth.blog/p/how-data-analysis-and-user-experience-strategies-led-to-unprecedented-growth-of-twitter) (Jul 20, 2022) — How Twitter's growth team kept users engaged: reading the usage data, reworking the experience around it, and shipping features the numbers asked for.
- [Story of Yelp's Product Growth: From a Slow Start to a Must-Have Service](https://www.productgrowth.blog/p/story-of-yelps-product-growth-from-a-slow-start-to-a-must-have-service) (Jan 14, 2022) — Yelp started slowly and became unavoidable. How community building, a focus on small businesses, and steady feature work got it out of the cold start.

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