A blog on creative strategy for direct-response ads, mainly for consumer subscription apps, covering how to build, copy, and evolve winning ad concepts. Recent issues reflect on the ethics of copying, finding an original voice, and the tension between imitation and originality.

A solo indie app developer writes about the podcast app market, including its stagnant userbase, how to extract and consolidate personal podcast listening history across apps, and the case for paying for app subscriptions. The writing is opinionated and grounded in first-hand experience running Castro and Aurelian.

This newsletter offers step-by-step CapCut tutorials for phone, desktop and web, covering tasks such as fading video, fixing missing iPhone media and recording voiceovers. Each issue explains where to find the controls and what to check when something goes wrong.

A Korean product studio's newsletter from an indie developer covering the practical details of shipping mobile apps, such as Google Play's closed-testing requirement and Apple and Google developer account fees. It also includes personal reflections on building with AI tools and occasional promotion for the studio's workshops.