Read-only by design

Diagnose first.
Change nothing.

NestRay is a read-only Mac health doctor that scans your system, explains what needs attention, and shows the evidence so you can decide what to do next.

Download NestRayFree preview · macOS 14+ → Explore the source

✓ No account required No automatic changes

A clear diagnosis, backed by evidence

AI-generated NestRay product interface showing a privacy-safe Mac health diagnosis

System health at a glance

Performance, storage, battery, stability, background items, and software.

Actionable, not noisy

Clear recommendations with enough context to decide confidently.

No automatic fixes

You stay in control. NestRay explains; you choose what happens.

Detail when you need it

Simple summaries up front, technical evidence one click away.

Open and transparent

Inspect the code, understand the scanner, and verify the claims.

A calmer way to understand your Mac

Your system has a story.
NestRay makes it readable.

Most system tools either overwhelm you with raw data or promise one-click cleanup. NestRay takes a different approach: diagnose, explain, then let you decide.

Scan locally

NestRay reads available system metadata for apps, packages, storage, battery, processes, and background items.

Nothing is modified or removed.

Diagnose clearly

Signals become short findings ranked by importance, with a one-line explanation and a practical next step.

Evidence stays available underneath.

You decide

Review the impact, inspect the path or package relationship, and take action manually only when you are ready.

No surprise fixes. Ever.

Diagnosis before dashboards

Know what matters today.

NestRay starts with the few things worth your attention—not a wall of charts, percentages, and technical jargon.

✓
A one-line health verdictUnderstand the situation before opening any detail.
✓
Recommended next actionEvery important finding tells you what to review first.
✓
Changes since the last scanSee what appeared, disappeared, grew, or became inactive.
✓
Optional daily checkupGet notified only when something meaningful changes.

AI-generated NestRay product overview with generic demonstration data

AI-generated NestRay health detail view with generic demonstration data

One doctor, every important signal

Make the hidden parts of macOS visible.

Go from a simple diagnosis to deep technical evidence without switching between terminal commands and disconnected utilities.

Health

Six health areas, one clear view

Review performance, storage, battery, stability, background activity, and software health together.

Performance Good Battery Good Software Review

Timeline

See what changed

Compare scans to spot storage growth, new software, removed packages, and health changes.

Software

Apps and packages

Understand disk footprint, last-observed use, package metadata, and nested dependency relationships.

Background

Reveal quiet activity

Inspect readable launch agents, daemons, processes, and configuration references that normally stay out of sight.

Advanced

Technical detail without terminal archaeology

Open scanner evidence, storage groups, package paths, shell metadata, dependency graphs, diagnostics, and top processes from one interface.

Local scanning No auto-fixes Paths redacted

Privacy is a product feature

Your Mac stays your Mac.

NestRay was designed around a simple promise: a health utility should not quietly make decisions for you.

Read-only scanner

NestRay does not uninstall apps, delete caches, disable services, edit dotfiles, or change system settings.

Local-first evidence

Your scan history and system analysis stay on your Mac unless you deliberately ask an AI question.

Transparent limitations

When macOS permissions prevent inspection, NestRay says what it could not see instead of pretending the scan is complete.

Read the privacy policy →

✦ Optional AI, grounded in your scan

Ask your system a clear question.

Use your own OpenRouter key to ask about storage, applications, packages, dependencies, permission limits, or removal impact. Answers are concise and based on the evidence NestRay already collected.

✓ Bring your own OpenRouter key
✓ Key stored in macOS Keychain
✓ Paths redacted by default
✓ AI cannot run commands or change your system

✦

Ask NestRayRead-only analysis

What is using the most space, and what should I review first?

✦ NestRay

Start with your inactive applications.

Three apps account for 3.14 GB and have not been observed in use recently.

Review the application listConfirm usage before manually uninstalling anything.

Ask about your latest scan… ↑

Built for trust, not cleanup theatre

A system doctor—not a magic broom.

NestRay intentionally avoids the behaviors that make many system utilities risky or confusing.

Typical cleanup utility

NestRay

× Promises instant speed boosts

✓ Reports observable evidence

× Selects files for deletion

✓ Makes no system changes

× Hides technical reasoning

✓ Keeps evidence available

× Treats every cache as waste

✓ Explains context and impact

× Pushes recurring subscriptions

✓ Open source with optional BYOK AI

Questions, answered

Before you let an app inspect your Mac.

Good system software should be easy to understand before you install it.

Ask on GitHub

Diagnose first.Change nothing.