Native macOS appRank
See what is holding your site back. Rank brings Search Console data, technical checks, metadata experiments and change tracking into one focused Mac workspace.
Want to see it working first? See the Yuzool workflow demo →
Independent Mac & iPhone app studio
Native tools for focused, private work.
Independent apps for SEO, app launches, automation, outreach and revenue. Built with native performance, thoughtful privacy and straightforward pricing.
Built and supported directly by Michael in Japan. Follow the work in public →
8featured tools
Free Mac security scanner
Run a quick check before you ship.
VibeShield scans a live URL locally for exposed keys, source maps, weak headers, broad CORS and common Supabase, Firebase and Convex mistakes.
Start free
Check the launch, then grow it.
VibeShield is the free first step. When you are ready to get traffic, launch an app or speed up a Mac workflow, the paid Yuzool apps take the next job.
Free download
Run VibeShield first.
Catch obvious public security mistakes before you share a site.
Download free →Next: traffic
Use Rank.
Find Search Console opportunities, improve pages and measure what changed.
See Rank →Next: toolkit
Get the Mac bundle.
Rank, Suzume Mail, Dispatch, Relay, Drip Send, Cloak, Cadence and included updates.
View bundle →Featured apps
Small tools that do serious work.
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.
Native macOS app
Native macOS appSuzume Mail
Read email like a conversation instead of a filing cabinet. Suzume turns long threads into clear chat-style messages, connects directly to your mail provider, and keeps AI features on your Mac.
Native macOS appDispatch
Research App Store keywords, compare competitors and prepare sharper metadata from your Mac. Built for independent developers who want a clearer launch workflow.
Native macOS appRelay
Build local Mac automations with a visual workflow, folder triggers, hotkeys, schedules, Mail actions and Apple Intelligence.
iPhone app · Available nowRevenue Bear
Bring sales from Polar, Stripe, Gumroad and Lemon Squeezy into one calm feed. A quick, friendly view of what your independent business is doing.
iPhone app · Available nowShadowCoach Boxing
Turn your iPhone into a private boxing coach that counts punches, measures speed and speaks up when your guard, chin or rotation slips.
iPhone app · Available nowDispatch Kun
Check App Store Connect sales, reviews, submissions and launch activity from a faster daily cockpit on your iPhone.
More from the studio
Useful by design.
Pick the app closest to the job you need to finish, see exactly what it does, and buy it without another subscription maze.
Drip Send
Careful, personal email outreach from a native Mac app.
Explore Drip Send →
Cloak
A terminal-style AI sidekick for Mac with local options, BYOK providers and no telemetry.
Explore Cloak →
Cadence
A weekly task board for Mac and iPhone that keeps unfinished work visible.
Explore Cadence →Choose by job
Which app should I choose?
Start with the outcome you want today. Each app has a focused job, clear pricing, direct support and a product page with screenshots and privacy notes.
Want a fast SEO fix?$49 launch audit
One issue, one screenshot and one next step.
Open audit →Launching an app?DispatchCompare competitors, shape metadata and make launch decisions with less spreadsheet drift.
Plan the launch →Want calmer email?Suzume MailPrivate, chat-style threads on your Mac.
Read email faster →Need personal outreach?Drip SendSmall, reviewed outreach where real replies matter more than automation.
Send carefully →Need quick private AI?CloakKeyboard-first prompts with local options and BYOK cloud models.
Ask faster →Need weekly planning?CadenceA simple weekly board instead of another heavyweight system.
Plan the week →Want a free security check?VibeShieldCatch obvious public risks before publishing or promoting a site.
Download free →Built independently
Direct product decisions, direct support and a studio accountable for every release.
Native where it matters
Mac and iPhone experiences designed around the platforms you already use.
Straightforward ownership
Clear pricing on paid apps, with one-time purchases wherever the product allows. See the $99 Mac bundle.
Customer reviews
Made useful by the people using it.
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 · Nine North
“Works like a champ! Another Home Run! Thank you so much!”Linda Pierce · langpierce.net
“Love the concept!”Christopher Pelzar
“Brilliant! Already got it live here, thank you!”Joy Gan · Live example
Popular buyer guides
Start with the page that matches your search.
If you arrived with a specific problem in mind, these guides explain the fit, workflow, privacy notes and next step for each app.
Rank$49 launch audit
The shortest path into one issue, one screenshot and one next step.
Open audit →DispatchASO tool for indie developersResearch keywords, competitors and app metadata from your Mac.
Read guide →SuzumeMac email client without a subscriptionRead conversations faster with private local mail storage.
Read guide →Drip SendPersonal email outreach app for MacSend smaller, better researched outreach without CRM bloat.
Read guide →CloakTerminal AI assistant for MacUse a fast AI prompt with visible provider choice and local options.
Read guide →CadenceWeekly planner for MacKeep tasks visible across the week.
Read guide →VibeShieldFree security scanner for MacCheck live URLs for exposed keys, weak headers and launch mistakes.
Read guide →
Meet the maker
One small studio, close to the work.
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 →Built in public
See what we are using this week.
Live product experiments from the studio, not polished claims after the fact. Follow the decision, the evidence and the next change.
Rank · weekly logTurning Search Console visits into a next fix
Follow the traffic baseline and the 7-, 14- and 28-day review.
Read the Rank evidence →Dispatch Kun · launch logMaking an App Store release useful after day oneSee the one-job launch card and the question behind the next release.
Read the experiment →Search Console · evidence noteWhen traffic is not yet a businessSeparate impressions, product use and revenue before you decide what to build.
Read the evidence note →Customer proof
See what people found useful.
Read the customer words behind the products, with context and a relevant next step instead of a generic testimonial wall.
The maker behind the apps
Built and supported directly from Japan.
See why the studio works in public, how Rank and Dispatch are used on our own launches, and what direct support means.