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 Mac and iPhone apps for focused, private work.
Independent tools 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 →
Free Mac security scanner
Run a quick security 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: catch obvious public security mistakes before you share a site. When you are ready to get traffic, launch an app, or speed up your Mac workflow, the paid Yuzool apps take the next job.
Free downloadRun VibeShield first
Scan a live URL locally for exposed keys, source maps, weak headers and broad CORS.
Download freeNext: trafficUse Rank after the page is safeFind Search Console opportunities, improve pages and measure what changed.
See RankNext: toolkitGet the Mac bundleRank, Suzume Mail, Dispatch, Relay, Drip Send, Cloak, Cadence, future Yuzool Mac apps and included updates.
View bundleFeatured 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 appRevenue 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 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
Use the launch audit when you want the shortest path to one issue, one screenshot and one next step.
Open auditLaunching an app?DispatchUse Dispatch to compare competitors, shape metadata and make App Store launch decisions with less spreadsheet drift.
Plan the launchWant calmer email?Suzume MailUse Suzume when Apple Mail feels heavy and you want private, chat-style threads on your Mac.
Read email fasterNeed personal outreach?Drip SendUse Drip Send for small, reviewed outreach where real replies matter more than campaign automation.
Send carefullyNeed quick private AI?CloakUse Cloak for keyboard-first prompts with local options, BYOK cloud models and a terminal-style boundary.
Ask fasterNeed weekly planning?CadenceUse Cadence when a simple weekly board is better than another heavyweight task management system.
Plan the weekWant a free security check?VibeShieldUse VibeShield before publishing or promoting a site so obvious public risks are easier to catch.
Download freeBuilt independently
Direct product decisions, direct support and a studio that is 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 · 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
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
Use the audit when you want the shortest path into one issue, one screenshot and one next step.
Open auditDispatchASO tool for indie developersResearch keywords, competitors and app metadata from your Mac.
Read guideSuzumeMac email client without a subscriptionRead conversations faster with chat-style threads and private local mail storage.
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
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 YuzoolBuilt in public
See what we are using this week.
These are 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, the page we choose, and the 7-, 14- and 28-day review instead of a vanity growth story.
Read the Rank evidence →Dispatch Kun · launch logMaking an App Store release useful after day oneSee the one-job launch card, the question we are asking, and how App Store feedback changes the next release.
Read the Dispatch experiment →Search Console · evidence noteWhen traffic is not yet a businessSeparate impressions, product use and revenue before you decide what to build or monetise next.
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. If you are unsure which tool fits, ask Michael before buying.