Rank
See what is holding your site back. Rank brings Search Console data, technical checks, metadata experiments and change tracking into one focused Mac workspace.

Independent Mac & iPhone app studio
Independent tools for SEO, app launches, automation, outreach, and revenue. Built with native performance, thoughtful privacy, and straightforward pricing.


VibeShield scans a live URL locally for exposed keys, source maps, weak headers, broad CORS and common Supabase, Firebase and Convex mistakes.
Featured apps
Each app solves a specific job without turning it into another monthly service. Start with the tool closest to the work you need to finish today.
See what is holding your site back. Rank brings Search Console data, technical checks, metadata experiments and change tracking into one focused Mac workspace.

Research App Store keywords, compare competitors and prepare sharper metadata from your Mac. Built for independent developers who want a clearer launch workflow.

Bring sales from Polar, Stripe, Gumroad and Lemon Squeezy into one calm feed. A quick, friendly view of what your independent business is doing.

More from the studio
Pick the app closest to the job you need to finish, see exactly what it does, and buy it without another subscription maze.
Local Mac automation with Apple Intelligence built into the workflow.
Preview Relay →
Careful, personal email outreach from a native Mac app.
Explore Drip Send →A terminal-style AI sidekick for Mac with local options, BYOK providers and no telemetry.
Explore Cloak →
A weekly task board for Mac and iPhone that keeps unfinished work visible.
Explore Cadence →Choose by job
Find the app that matches today’s task, see exactly how it helps, and get closer to reaching your goals one step at a time.
Use Rank when Search Console data, technical issues and content changes need one repeatable workflow.
See RankLaunch an appResearch App Store keywordsUse Dispatch to compare competitors, shape metadata and make App Store launch decisions with less spreadsheet drift.
See DispatchPlan the weekKeep tasks visibleUse Cadence when a simple weekly board is better than another heavyweight task management system.
See CadenceBuy the toolkitGet the Mac bundleGet the current Yuzool Mac apps together, plus future Yuzool Mac apps and updates while the bundle price is early.
View bundleDirect product decisions, direct support and a studio that is accountable for every release.
Mac and iPhone experiences designed around the platforms you already use.
Clear pricing on paid apps, with one-time purchases wherever the product allows. See the $99 Mac bundle.
Customer reviews
Real words from people using Yuzool products to get their work done.
“The Drip Send app is a great tool, easy to use and intuitive for my bulk email... It is very practical and a great tool at any price.”Ricardo Ramos · Drip Send
“Thanks for combining so many tools in one place. Very useful.”Larry Pareigis · Earlier Yuzool customer · Nine North
“Works like a champ! Another Home Run! Thank you so much!”Linda Pierce · Earlier Yuzool customer · langpierce.net
“Love the concept!”Christopher Pelzar · Earlier Yuzool customer
“Brilliant! Already got it live here, thank you!”Joy Gan · Earlier Yuzool customer · Live example
Popular buyer guides
If you arrived with a specific problem in mind, these guides explain the fit, workflow, privacy notes and next step for each app.
Turn Google Search Console data into a weekly SEO workflow.
Read guideDispatchASO tool for indie developersResearch keywords, competitors and app metadata from your Mac.
Read guideDrip SendPersonal email outreach app for MacSend smaller, better researched outreach without CRM bloat.
Read guideCloakTerminal AI assistant for MacUse a fast AI prompt with visible provider choice and local options.
Read guideCadenceWeekly planner for MacKeep tasks visible across the week without managing a heavy system.
Read guideVibeShieldFree security scanner for MacCheck live URLs for exposed keys, weak headers and launch mistakes.
Read guide
Meet the maker
I’m Michael Frankland, the independent developer behind Yuzool. I build practical apps for people doing focused work on Mac and iPhone, then support them directly from Japan.
About Yuzool