Formattery – on-device file converter for iPhone, iPad, and Mac
80+ formats converted on-device with no subscriptions, unlike CloudConvert or Zamzar.

Bulk text-to-IPA conversion offline on iOS without a subscription.
Linguistics students, ESL teachers, researchers
EasyIPA · IPA Source
80+ formats converted on-device with no subscriptions, unlike CloudConvert or Zamzar.
Finally test slow 3G on iPhone without tethering to a Mac.
The core idea is neat: put an RPN stack into a spreadsheet-like grid so you get both terse, stepwise entry and immediate dependency updates when you change an input. That combo feels like a thoughtful mobile-first answer to cramped phone spreadsheets. Main caveats: it's niche (RPN devotees) and the demo page gives little evidence about export, collaboration, or how complex formulas are expressed.
Anti-gamification journal that treats entries like a memoir, not a streak.
Yet another font manager when Font Book and iOS already handle this.
Yet another Pomodoro timer when Forest and Focus To-Do already dominate.