Domain Arrivals
You’re viewing the 2026-08-18 issue, not the current issue. Go to the current issue: 2026-11-11

Featured in Domain Arrivals · 2026-08-18

Mr. Grummel, the app blocker with a pop quiz

mrgrummel.com ↗ · Useful Tools · score 79.0
○Open: public page gives enough substance to understand the site $Paid: pricing, booking, ecommerce, subscription, or paid access is visible ADAds: visible ad load or ad-supported content ✦Pretty: notable design, copy, craft, or presentation ◆Pro: polished, finished-feeling, serious, or operationally mature ◇Niche: specific audience, workflow, or unusually focused use case ◉Human: personal, local, community, civic, handmade, or real-person signal !Suspicious: scammy, spammy, trust theater, finance fog, or credibility concern

Mr. Grummel intercepts blocked apps and asks three curriculum-based questions before giving your phone back.

Why it surfaced

This turns screen-time friction into a small classroom ritual: answer questions from a structured subject tree, maintain a streak, and unlock the app. The landing page makes the mechanism unusually tangible, complete with a sample 8 × 7 quiz and a syllabus spanning mathematics, physics, history, computing, medicine, and more.

Read the complete issue Observed source ↗

Continue into the edition

The Plotter’s 09:30 Shift

August 18’s newborn domains include an obsolete pen plotter clocking in at 09:30, emergency warnings designed for sight, touch, or hearing, a funeral-folder tool calibrated for printer drift, and photographs of Colombian rental signs turned into a housing map.

This is one of 1,000 discoveries in the 2026-08-18 Domain Arrivals issue.

Explore the complete issue Browse Useful Tools

More from Useful Tools

Three more arrivals

Program.Memorial, for the forty funeral folders you need at 9pm program.memorial

A free service-folder designer for funeral homes that creates print-ready programs, prayer cards, bookmarks, podium copies, and easel signs on ordinary letter paper.

 Ritournelle, a Pokémon sound-system laboratory ritournelle.stream

A browser audio tool that recombines the music of Pokémon Émeraude and Rouge Feu, letting one game's compositions play through the other's instruments.

 EqualSplit’s $79 Timing Gates equalsplitshop.com

A student-run nonprofit sells portable LiDAR sprint-timing equipment for athletes, coaches, and underfunded programs.