Jetstream Sessions: Subscription App Growth Guide: From Concept to Early Success to Scale

The subscription app market is more competitive than ever. From fitness and wellness to productivity and dating, users have endless choices while marketers face rising acquisition costs, tighter privacy rules, and pressure to prove sustainable growth. 

In this Jetstream Session, Airbridge CEO Roi Nam sat down with Steve Young, Founder of App Masters and one of the most trusted voices in subscription app growth. With over a decade of experience in ASO, Apple Search Ads (ASA), pricing, and paywalls, Steve has helped hundreds of apps grow with his practical, battle-tested advice. Here’s what he shared on idea validation, early success signals, scaling metrics, and what he calls “The Greatest Growth Hack in Da World.”

🎥 Watch the full interview video

The Mindset of Successful App Founders

Before diving into tactics it is worth rewinding to Steve’s own journey. In 2011 he was coding iOS apps on his train ride to work in San Francisco, making just enough to keep the dream alive. By 2013 he launched the App Masters podcast, not as an expert but as a learner eager to understand how others were building successful apps.

That curiosity grew into a community and over time gave him a front-row to the mindset that set successful founders apart. Across hundreds of cases he saw the same three qualities surface again and again: persistence, focus, and simplicity.

“Most people give up too soon. My first year full-time, I earned less than my old salary. But I stuck with it.”
— Steve Young, Founder of App Masters

Persistence matters because growth rarely looks good right away. Focus matters because chasing every new channel prevents real learning. Simplicity matters because the best apps double down on the basics until they compound.

“The most successful apps do not pile on complexity. They double down on the basics and let them compound.”
— Steve Young, Founder of App Masters

Steve Young, Founder of App Masters

Idea Validation for Subscription Apps

Everything starts with the right idea, and that means solving a real problem rather than offering a nice-to-have.

“You can make a meditation app, or you can make an app for anxiety relief. Both have demand, but only one solves a pain. Always build the painkiller, not a vitamin.”
— Steve Young, Founder of App Masters

High-intent problems attract users who are more willing to start trials, convert to paid, and stick with the product.To uncover these opportunities, Steve uses Google Trends, AppFigures, and Sensor Tower to spot rising keywords before the market gets crowded.

His rule of thumb is straightforward. 

“If you can find just two keywords with a search score of around 30 and win the top ranking, you are already looking at a six-figure opportunity.”
— Steve Young, Founder of App Masters

Once the idea has been validated, the next question is whether the app can grow beyond a promising concept.‍

Early Signals of Subscription App Success

After launch, a handful of signals reveal whether an app has real potential to scale. The benchmarks to watch are:

• Install-to-trial conversion between 5% and 10%
• Trial-to-paid conversion in the 30% to 40% range
• Daily organic installs of 50 to 100 to provide enough data to start optimizing

Live example: Steve shows how to spot early signals that show an app’s scaling potential

Steve points out that at this stage there is no need for complex subscription tools, since App Store Connect provides all the visibility you need to track progress.

“If I’m paying $1 per install and hitting 70% ROAS, I’m thrilled. Even if I’m not profitable yet, it shows traction I can optimize.”
— Steve Young, Founder of App Masters

When these benchmarks line up, it is a strong indication that the app is ready for growth. Once the signals are clear, the next challenge becomes scaling that growth without losing efficiency.

Scaling Subscription Apps with ASO, ASA, and Meta Ads

Once those early signals look promising, the focus shifts to scaling growth. Steve emphasizes keeping the playbook simple and building momentum step by step. Most apps that succeed follow the same progression. They start with ASO to capture high-intent searches. They then layer in ASA to buy additional discovery. Finally, when the economics allow, they turn to Meta Ads for broader reach.

The mistake many teams make is cutting Meta when results look flat. Steve warns against this, because Meta often drives indirect benefits that are not immediately visible in ROAS.

“There’s always a segment that sees your ad, doesn’t click, but searches your app in the App Store. That brand search lifts ASO.”
— Steve Young, Founder of App Masters

This halo effect is what he calls the organic multiplier. Paid campaigns spark awareness, awareness drives brand searches, and brand searches push ASO rankings higher. It is the reason Calm and Headway dominate search results not only for “meditation” but also on their own brand names.

“For Headway and Calm, brand search volume in ASO is bigger than the keyword ‘meditation'.”
— Steve Young, Founder of App Masters

Testing paywalls without channel-level data? You're optimizing blind. See which channels drive subscribers who actually convert at your paywall — not just users who install.
‍Start with 15K free attributed installs on Airbridge Core Plan →

The Paywall Checklist for Subscription Apps

Paywalls remain one of the strongest levers for subscription app growth. Steve points out that the fastest way to boost revenue is ensuring that every single user sees the paywall.

“The fastest way to make more money is making sure 100% of users see your paywall.”
— Steve Young, Founder of App Masters

To get this right, he recommends asking a few simple questions:

• Did you explain the value of the app clearly?
• Did you highlight social proof?
• Did you capture some basic information about your user (for example, fitness goals, preferred language, or focus area) to personalize the paywall?
• Did you make sure the paywall shows up for every install

Once those basics are covered, experimentation is where growth happens. A few examples Steve shared include:

• Pricing Plan structure: An app struggling with a $50 annual plan and a seven-day trial saw revenue climb after switching to a weekly plan with a three-day trial, plus an annual option with no trial. Surprisingly, more users began choosing annual once the trial was removed.
• Pricing presentation: Reframing pricing as “$5 per month billed annually” instead of “$60 per year” lifted conversions by 38 percent.
• Multi-page paywalls: Showing monthly and annual options side by side nudged more users to convert.

Live example: Steve breaks down a high-performing paywall.

User Acquisition for Subscription Apps on a Budget

For early-stage subscription apps, marketing budgets are often tight. That is why Steve recommends starting with ASA. They are keyword-driven, intent-rich, and relatively simple to manage. In one case, a client spent $800 on ASA and earned $3,000 in return, with $2,000 directly attributable to ASA and another $1,000 in organic lift.

Once ASA is running smoothly, the natural next step is Meta Ads. Steve suggests beginning with broad campaigns, then layering in interest clusters as data comes in. But the real unlock, he emphasizes, is in the creative.

“One client’s best-performing video was fully AI. Cheaper and just as effective as UGC.”
— Steve Young, Founder of App Masters

AI has become a secret weapon for subscription apps looking to test creative quickly without overspending. Steve’s team uses Eleven Labs for text-to-speech, Creatify and Arcads for ad variations, and Reel.farm for reaction shots that strengthen hooks. With these tools, even small teams can test dozens of ad concepts at a fraction of the cost of traditional production.

For subscription apps without large budgets, AI is the closest thing to a cheat code, making rapid creative testing both realistic and sustainable.

The Greatest Growth Hack in Da World

When asked about growth hacks, Steve did not hesitate. His boldest advice is what he calls “The Greatest Growth Hack in Da World”: lifetime offer campaigns.

The playbook is straightforward. Create a temporary lifetime free or discounted plan, then promote it through discovery platforms like AppAdvice or IndieAppSanta. The results can be explosive.

One client with an AI note-taking app ran this campaign and achieved results that most paid UA strategies could never match. In just two days, the app generated 106,000 installs and 800 new ratings. Monthly revenue jumped from a few hundred dollars to $7,000, and within a year it passed $90,000.

“Where else can you get that kind of lift without spending on ads.”
— Steve Young, Founder of App Masters

What makes this hack so powerful is that the benefits extend beyond revenue. Large install spikes drive reviews, improve App Store visibility, and fuel ASO through download velocity. While it may not work every time, when it does, it can change the trajectory of a subscription app almost overnight.

Fundamentals of Subscription App Growth

Looking ahead, Steve is optimistic about subscription apps, but he emphasizes that the fundamentals have not changed since he first entered the industry more than a decade ago.

“Focus beats distraction. Persistence beats quick wins. Simplicity beats over-complication.”
— Steve Young, Founder of App Masters

Whether you are a bootstrapped founder or a marketer at a scaling team, the playbook is the same. Validate with ASO, prove traction with ASA, reinvest with Meta, and never stop testing paywalls. Growth rarely comes from chasing every new tactic. It comes from getting the basics right, and letting them compound over time.

For more insights, visit the App Masters YouTube channel or appmasters.com. To measure and optimize your subscription app growth, learn more about Airbridge. 

Airbridge Core Plan

Subscribe to success with Airbridge 

Steve highlights the growth path from ASO to ASA to Meta — but each stage only works when you can see which channel produces subscribers, not just installs.Airbridge Core Plan connects Install → Start Trial → Subscribe by channel, so you can answer the questions that actually drive growth decisions:

• Which channels produce paying subscribers — not just trial starts? Core Plan tracks Install, Start Trial, and Subscribe as standard events with full attribution across Meta, Google, Apple Search Ads, and TikTok.
• Is your paywall converting differently by channel? The Actuals Report shows conversion rates at each funnel stage by channel — so paywall tests are informed by where users come from.
• What is your real cost per subscriber by channel? CPI tells you the cost of an install. Core Plan shows the cost of a subscriber — the metric that actually determines whether a channel is profitable.
• Are your trial signals reaching the right quality? With native RevenueCat and Adapty integration via S2S, subscription events flow into attribution regardless of where payment occurred — in-app or web.

Start with 15K free attributed installs. All features included. →