Joined March 2017
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Second month of the year and I now around $7k/month. July $0 → August: $709 → September: $1,372 → October: $1,689 → November: $1,806 → December: $3,003 ( 66.3%) → January: $5,754 ( 91.6%) → February: $7,166 ( 24.3%)
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WWDC 2026 Viewing Party
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Stack Overflow looks like it is dying since the ChatGPT era. But here is the other part: Stack Overflow’s revenue is not collapsing. It is growing. Why? Because the real asset was never just the forum traffic. It was the data. More than a decade of high-quality human-written programming questions, answers, edge cases, explanations, and corrections. That dataset is extremely valuable to AI companies training and evaluating coding models. At the same time, enterprises still need private knowledge systems. Products like Stack Overflow for Teams can turn internal company knowledge into something closer to a private AI assistant. So the public community may be shrinking, but the old knowledge base has become fuel for the next generation of AI tools. This is a strange lesson for platform businesses: Your community can die on the surface, but if the core asset is high-quality structured data, you may still have something incredibly valuable. But not every community gets that second life.
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01 Jun — Hyvä kesä ☀️ We are now at around $40k/month. July: $0 → August: $709 → September: $1,372 → October: $1,689 → November: $1,806 → December: $3,003 → January: $5,754 → February: $7,166 ( 24%) → March: $12,812 ( 78%) → April: $21,041 ( 64%) → May: $40,239 ( 91%) But this time, I want to focus on another side of the business: expenses and tax. Again, this month we continued scaling Google Ads. Now Google app spend is around $22k/month, which is around $750/day. Then we have Apple App Store and Google Play Store fees, which are 15% for renewals, so that is around $6k. Then we have VAT for each country, which is around 0–25%, depending on the country. For us, it is around $2k because most of our revenue comes from the USA, where VAT is zero. Then there are other costs like RevenueCat, around $400, software purchases, mainly lifetime deals from AppSumo, around $1k, and some other things around $2k. We also need to pay income tax in Finland, which I am not sure about yet, but it might be around 20%. Then there is YEL, including pension, around 24.40%. And if you plan to hire someone, it will often cost around $2k–$4k/month in Finland. So be prepared for all these costs. Right now, Google Ads is our main way to scale, and ROAS is around 100%. I think this is okay because it helps with app ranking in the store. Now, most users are on yearly subscriptions, so hopefully we are still in business next year. Normally, around 25–50% of users still renew, so it can compound next year. I still go to the swimming pool around 3 times a week plan to do more running, gym next month. On the building side, I mostly focused on small Android bugs this month. These bugs are annoying because normally I cannot reproduce them myself, and they only happen on a user’s phone. So it is time-consuming to fix them. Also this month, I asked one of my friends to test TikTok with me. What’s next: I will spend some time learning TikTok with my friend. I think Google Ads is okay now. I will still slowly increase it depending on the ROAS. I also plan to try Apple Ads. Apple Ads recently added a second slot for ads in the App Store, so the price may be cheaper than before. Let’s give it a try again.
I made $50,210 in May 2026. 🧠 Notewave AI — $19k 🩺 MedDeep AI — $9k 🐶 KaloPal — $10 (not marketing yet) 💪 MusclePal — $0 (not release yet) 🐦 X (Twitter) — $2.2k 🕵️ Stealth products — $20k (3 mobile apps) Expenses: 💸 Tax (7%) — $3,514 🏠 Rent — $700 🍜 Living — $1,000 🏪 Store fees (15%) — $7,200 ⚙️ Operating — $1,525 📣 Marketing — $1,800 ✈️ Travel — $5,000 Net Profit: $29,461 No VC. No Co-founder. No paid ads. Just B2C apps organic distribution. Build → ship → repeat. Keep going 💪
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Some good resources this month: Recently enjoyed podcast from RevenueCat a lot when biking . Listen to both indie hacker in Launched and Sub Club by RevenueCat help me learn a lot . What is look like who doing it for years and learn from their lesson. Some of my favors one An indie developer to creating Focus Friend, a focus timer app that go to top 1 on App Store. podcasts.apple.com/us/podcas… Adam Lyttle. Listen again to his story, so grateful and thankful for him that he share with us here and daily in Twitter and X and all can save so much time. podcasts.apple.com/us/podcas… Aja Beckett how to building for the community/ happy you belong to and make a million dollar business podcasts.apple.com/us/podcas… And many other indie developer you should listen to here. If you more about the business site with big team then check Opal number 1 app for screen tiem, dropping paid conversion from 20% to 9% increased revenue podcasts.apple.com/us/podcas… Life360 with 100m user Freemium at Scale: podcasts.apple.com/us/podcas… And more. Previous month: x.com/stevenpdev/status/2050…
01 May — Vappu Päivä 🎉. I’m now around $21k/month. July: $0 → August: $709 → September: $1,372 → October: $1,689 → November: $1,806 → December: $3,003 ( 66.3%) → January: $5,754 ( 91.6%) → February: $7,166 ( 24.3%) → March: $12,812 ( 78.8%) → April: $21,041 ( 64.2%)
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Wow solid playbook . He share all the steps, the lesson , the failure… I often ask successfully people if you lost everything and do it again what will you do and Kevin share exactly that. Thank you.
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Nice 10% service fee coming for Google Play @GooglePlay live on December 20
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Update: New service fees timeline
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Replying to @GooglePlay
but keep in mind you need to pay chargeback fee soon also in Google Play x.com/stevenpdev/status/2055…

Do you know why Apple is so strict about “manipulation” in subscriptions? They hate anything that could lead to chargebacks or refunds — because someone ends up paying up to $100 per case. Either Apple stays super strict… or the developer pays the cost (which Google will do). x.com/vdugnist/status/205209… What option do you prefer? --- Features like Trial Toggle or Cancel Purchase (or retention offers after you dismiss the paywall) live in a total gray area right now. They’re not explicitly banned in the Apple docs… but they’re getting listed as “risky behavior” more and more. As a small dev, I just want solid resources from big companies like @superwall (@jakemor) or @revenuecat (@_chuckyc) or any other big subscription tools You have the reach and the data. Please make this crystal clear with an up-to-date paywall guide for the rest of us, so we don’t get caught in the middle. Or @seraleev or @adamlyttleapps, do you know any good guide or resource about this?
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From Zero to One takes 6 months - 3 years depend where you are and then you scale it to 1-10 take also another 6 months - 3 year but most people quite soon or rush it. I learn from another and see that pattern and prepare for it both mental and finance. For context it take me around 1 year 6 months to be at 3k/month and then 6 month to 30k/month. if you check another and go back to their history you find the same pattern: @adamlyttleapps 3 year to 10k/m and then 1 year to 70k/m @SebastianRoehl 1 year to 2k/m and then 1 year more to 10k/m @alexcooldev 9 month to 3k/m and then 6 months more to 40k/m @maubaron 3 years takes 1 year to 1k/m and then 3 months to 20k/m the list go on... so take an app to Zero to One is not easy and even more difficult than from 1 to 10 so prepare for it.
Building an app and making money from it are two completely different things. Getting to $10k/month takes a lot of marketing effort. Constant testing, analysis, conclusions, and experiments all over again. Personally, it took me 1 year and 3 months to hit $10,000/month. That happened in February 2025. By that point I had shipped 9 apps.
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WOW. Google used Gemini 3.5 Flash to build an OS system with less than $1K spent for 2.6B tokens. 12 hours of runtime. 93 subagents. Imagine each subagent is equal to one developer. 93 subagents is like having a whole team or company working together. So if you can build an OS system in 12 hours for $1K… what is left? I think this is like the shift from horse to car. Where you go, and what you carry, matters more now — because the engine is more powerful than ever. -- Some numbers may be not correct, like “$1K spent for 2.6B tokens,” or exactly how good Gemini 3.5 Flash is. But you get the idea of where this is going.
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Opal download-to-paid conversion rate 20% but they decided go to 9% revenuecat.com/blog/growth/k…
Seriously believe there is not a single App out there that has better download to paid conversions than me… Consistently getting over 16% Our subscription prices are Monthly $11.99/Yearly $34.99 and limited offer discount $29.99
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Just one month ago spend 300/day now at 600/day . Still a lot to learn. Don’t ask me anything I just doing it for around 3 months by follow other which do it for years and learn from them.
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Do you know why Apple is so strict about “manipulation” in subscriptions? They hate anything that could lead to chargebacks or refunds — because someone ends up paying up to $100 per case. Either Apple stays super strict… or the developer pays the cost (which Google will do). x.com/vdugnist/status/205209… What option do you prefer? --- Features like Trial Toggle or Cancel Purchase (or retention offers after you dismiss the paywall) live in a total gray area right now. They’re not explicitly banned in the Apple docs… but they’re getting listed as “risky behavior” more and more. As a small dev, I just want solid resources from big companies like @superwall (@jakemor) or @revenuecat (@_chuckyc) or any other big subscription tools You have the reach and the data. Please make this crystal clear with an up-to-date paywall guide for the rest of us, so we don’t get caught in the middle. Or @seraleev or @adamlyttleapps, do you know any good guide or resource about this?
Wanted to walk through what happened today. I posted that a Superwall feature at $199/mo falls under Guideline 5.6. Developer Code of Conduct. Manipulation (a follower pointed this out in the comments). Yesterday I watched Adam Lyttle video where he shared advice from Will. I read Will’s article, it’s public. I attached a screenshot from it as an example. Today Will got a letter from Apple confirming that the Superwall feature at $199/mo may cause problems. I don’t know if he got it during an app update or not, but if you’re using this feature, it may cause problems. I want to publicly apologize. @athcanft if you need help navigating this, I’m here. I had zero bad intent. And now we all know Apple employees read my posts. Didn’t know that either.
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This is what I follow also and advice another follow also: "No magic formula. No growth hacks. Just shipping, patience, and putting money back in month after month" 1. I have nearly 10 apps before find my one 2. Double down on it with Paid ads 3. Investing 100% back. So follow someone has done it for more than 5 years, share in public and has repeat successes.
A simple recipe for growth (after 5 years on mobile development): 1. Find your scale and what you’re done with Ship a lot. 10, 12 apps if that’s what it takes. Clarity comes from building, not planning. You only learn what works by shipping. 2. Pick one paid channel. Go deep. Start with what you can afford. Test slowly. Stay patient. Master one channel before you touch the next. 3. Reinvest. Every month. No exceptions. A big chunk of revenue goes back into growth. No toys. No shortcuts. Reinvestment outlasts motivation every time. No magic formula. No growth hacks. Just shipping, patience, and putting money back in month after month.
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One saw a 75% increase in LTV per user. The other suffered a 50% drop in subscriber conversion. Hard paywall maybe good in short term but maybe soft paywall ever better in long term you need to filter and test yourself Here is another real example revenuecat.com/blog/growth/h…
Replying to @_aaronpaul25
#3 — The interview touched on hard paywalling driving big conversion lifts. True for us at Glam Up but we moved away from it for Sprout. Now users can poke around see real jobs, then hit the hard paywall on swipe. Conversion actually dropped slightly. However, retention and revenue went up. Hypothesis: users who convert after seeing value churn less than users who convert from FOMO. Why? Cause if you converted off FOMO and we don’t have jobs in your field on the app that’s an instant churn and refund request. The conversion lift from hard paywalls was getting eaten by retention later so it just resulted in lower ARPU overall at the end of the day.
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Masterclass in 1 hour from a collage app founder doing $400k/month with 2 app from idea → build → distribution. Some questions I found really interesting: - How and why did she come up with the idea? - Why did she build the onboarding flow this way? - Why did she build the paywall like that? Other interesting things she shared: - How detailed she is when studying viral videos. It goes down to seconds, camera angles, small hooks, and tiny details. - How she turns that into a system/course so other creators can repeat it. - How increasing price increased conversion. - How she copied the system from the first app to the second app, and why it worked again. A lot of useful lessons here, especially if you’re building consumer apps. Some great number: - Built 4 apps before 25, Built MVP in 3–4 weeks - 1M users in 6 months - $150k MRR with first app - $250k MRR with second app in 8 months - Over 1,000 creators trained, many creators went viral within 2 weeks - 20% price increase also increased conversion - Hard paywall after onboarding increased conversion by 50% - Newest app almost $200k MRR in 3 months Link in the comments.
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120k/month with one app with Google Ads for Android in one year. "Do Android users convert to subscriptions as readily as iOS users?" -> I don't know — I'm just getting started. You really need to test things yourself, but seeing other indie developers succeed gives you the confidence to try it out. For example, @seraleev scaled using Google Ads targeting iOS users. I can't do that yet, but I'm willing to test it and find out along the way Android users convert also. And then find another indie developer who scaled his app to $120k/month in just one year with Google Ads for Android. And then learn from him and apply to my case. Here is the video you can check his app and learn from him also: youtube.com/watch?v=0pp4X58q…
Replying to @stevenpdev
Do Android users convert to subscriptions as readily as iOS users?
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