Denis

$5.3M in sales from beginner crochet kits 😭 And you’re still looking for another app idea. The Woobles sells kits that teach complete beginners to crochet little animals. Their penguin kit is $30 and comes with materials and step-by-step video tutorials. The founders reported $5.3M in sales after roughly two years when they appeared on Shark Tank in 2022. Free tutorials already exist. The kit saves a beginner from figuring out what to buy and where to start. You’re paying to actually finish your first penguin. The opportunity is to find another small project people would love to finish but don’t know how to start. Design your own kit, film the instructions and test a small batch with actual beginners. You could use code to make the learning experience better. I’d probably build the entire tutorial platform before checking whether anyone could follow the first video 😂 Indie devs should seriously reconsider only building apps. thewoobles.com/products/peng…

€2.7M revenue opportunity from putting family names on a doormat 😭 Famwalls lets you put your family’s names and little shoes on a doormat. That’s the product. Meta lists this ad from January 2024 to February 2026, with estimated EU reach of 6.64 million. More than two years for a personalised doormat. At its current price of roughly €40, if 1% of those reached accounts bought one, that would be about €2.7M in sales. I would absolutely have dismissed this while trying to come up with a “more original” app idea. The version I’d test would be a housewarming gift for one specific audience. Make a few original designs, work with a print supplier and order samples before spending on ads. The software is useful here: show the personalised design immediately and generate the production file automatically. You don’t need to invent a new material to give someone a product they want. Indie devs should reconsider only building apps. Sometimes the opportunity is sitting outside someone’s front door. famwalls.com/products/fussma…

€9M revenue opportunity from a wallet 😭 And some people are still stuck choosing which agent they want to work with 😂 Essentialbag sells a slim wallet with cards that pop up at the press of a button. The current listing starts at €59. Meta shows an estimated 15.18 million EU accounts reached by this ad between July and November 2025. If 1% of those reached accounts bought a wallet at €59, that would be roughly €9M in sales. The pitch is wonderfully obvious: your wallet makes a massive lump in your pocket, this one takes up less space and makes your cards easier to reach. You can demonstrate that in seconds. For someone starting out, I’d look at everyday carry products with one annoyance you can visibly fix. Order samples from existing manufacturers and test the mechanism, materials and finish before deciding what to sell. You could start with one product and a small batch. There’s no reason to build a whole lifestyle brand before anyone has bought the first one. Finding a reliable supplier and getting the product right makes this business harder to copy. That’s why I like it. essentialbag.de/products/sma…

£700K revenue opportunity from turning people’s photos into painting kits 🎨 Adtribute’s archive lists one Craftoria painting ad at 2.6M EU reach over 130 days. The brand also sells a custom kit from £27: upload a photo and get a numbered canvas, matching paints and brushes. You could spend an evening painting your dog instead of downloading another app. Apply that reach to a £27 custom kit: if 1% of 2.6 million reached accounts bought one, that would be £702,000 in sales. This is an interesting business for someone who can code. Turn a photo into a paintable design, let the customer preview it and send the production file to a supplier. I’d test one narrow version first, maybe people’s first homes. Order samples, actually paint one and film the result. A design that looks good on a screen still has to be enjoyable to paint. Indie devs should seriously reconsider only building apps. There are plenty of people who would rather buy something to do with their hands. craftoria.com/en-ww/products…

€2.2M revenue opportunity from a fridge magnet 😭 And you’re still looking for another app idea. Sketchmeup puts the place where a couple met, their names and a date onto a little acrylic fridge magnet. It currently sells for €34.95. One ad reached an estimated 6.24 million EU accounts. If 1% bought a €35 magnet, that would be roughly €2.2M in sales. The interesting part is how much of this a developer could automate: the map preview, personalisation and print-ready file. I’d start with one occasion, like a first anniversary. Make an original design, find a printer that works with acrylic and order a few samples. Then test whether people will buy it before building a catalogue of 200 gifts. You still have to get the printing and delivery right. That’s also the work that will make some competitors lose interest. Being able to code is an advantage. Only considering businesses you can code is a restriction. sketchmeup.de/products/unser…