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ZRO — Back to zero. Nothing lost. Review

ZRO is a cleaning tool for Mac that identifies and removes unnecessary junk files while ensuring data integrity.

shipped Aug 18, 2026researchfreemium
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ZRO — Back to zero. Nothing lost. — product screenshot

Why it matters

1ZRO is available for macOS 14+.
2It operates on a freemium model, offering a free tier and Pro plans starting at $2.99/month.
3The tool features on-device AI intelligence and offers a lifetime license for €99.
4ZRO ensures zero data retention and never trains on user data.

About ZRO — Back to zero. Nothing lost.

Business Model
Subscription SaaS
Usage Pricing
$2.99/month per monthly subscription
Free Credits
First 500 MB free cleaning
Headquarters
Geneva, Switzerland
Funding
Bootstrapped
Platforms
macOS 14+
Target Audience
Mac users needing a cleaning tool

Pricing Plans

Free
$0 / forever
  • • Full scan, free forever
  • • First 500 MB cleaning free
  • • Large files & duplicates finder
  • • Trash-by-default
Pro
$2.99/mo
  • • Unlimited cleaning
  • • Scheduled auto-clean
  • • On-device AI
  • • Shield for exposing keys
Pro
$19.99/year
  • • Unlimited cleaning
  • • Scheduled auto-clean
  • • On-device AI
  • • Shield for exposing keys
Lifetime
€99 / once
  • • Lifetime access
  • • No renewals or price increases
  • • All updates included
  • • Two Macs covered

Cost Examples

  • • Unlocking the rest of the cleaning functionality costs $2.99/month.

Leadership

Mathieu PolardManaging Director

Screenshots

overview

What is ZRO — Back to zero. Nothing lost.?

ZRO — Back to zero. Nothing lost. is a cleaning tool developed by Mathieu Polard that enables Mac users to identify and remove unnecessary junk files while ensuring nothing is lost permanently. It performs a full scan to find cache, duplicate, and large files, allowing users to clean their system easily with an AI-based assistant. Beyond system cleaning, ZRO also functions as a sovereign privacy application offering P2P file transfer, encrypted ghost messaging, AI camera detection (Camera Shield), a private document vault, and AI-powered anti-OSINT for personal data removal and suppression (ZRO Trace). The platform is designed to provide a secure environment for coding agents and facilitate the creation of self-updating internal applications with a shared memory system, targeting solopreneurs, consultants, agencies, and operators who manage client data and repetitive workflows. As of July 2026, ZRO is highlighted as a "forward-thinking workspace" that challenges traditional per-seat SaaS pricing models by offering true memory and data ownership to organizations.

features

Key Features of ZRO — Back to zero. Nothing lost.

ZRO — Back to zero. Nothing lost. integrates several features for system cleaning and digital privacy, leveraging on-device AI intelligence. The tool performs a full scan to identify various file types for removal and offers advanced privacy functionalities.

  • On-device AI intelligence for smart cleaning suggestions.
  • Automatic locking of app caches to prevent unnecessary data accumulation.
  • Trash-by-default cleaning mechanism for safe file removal.
  • No telemetry or data collection, ensuring user privacy.
  • Detailed item explanations and safety labels for informed cleaning decisions.
  • Full scan capability to find cache, duplicate, and large files.
  • AI-based assistant for streamlined system cleaning.
  • P2P file transfer for secure peer-to-peer data exchange.
  • Encrypted ghost messaging for private communications.
  • AI camera detection (Camera Shield) for enhanced privacy.
  • Private document vault for secure storage of sensitive files.
  • AI-powered anti-OSINT (ZRO Trace) for personal data removal and suppression.

use cases

Who Should Use ZRO — Back to zero. Nothing lost.?

ZRO — Back to zero. Nothing lost. is designed for a diverse user base, ranging from individual Mac users seeking system optimization to professionals requiring robust digital privacy and workflow automation.

  • Mac users needing a cleaning tool: Individuals looking to improve Mac performance through disk cleanup, cache removal, and duplicate file finding.
  • Individuals prioritizing digital privacy: Users who believe in digital privacy as a fundamental right, utilizing features like P2P file transfer, encrypted ghost messaging, and a private document vault.
  • Solopreneurs, consultants, agencies, and operators: Professionals managing client data and repetitive workflows, benefiting from secure environments for coding agents and self-updating internal applications.
  • Users concerned about OSINT: Individuals seeking AI-powered anti-OSINT for personal data removal and suppression (ZRO Trace).
  • Developers and teams building AI agents: Those requiring a shared memory system for multi-agent coding sessions and private inference.

how to use

How to Use ZRO — Back to zero. Nothing lost.

To begin using ZRO — Back to zero. Nothing lost., users typically download the application for macOS 14+ and initiate a system scan. The AI-based assistant then guides them through the cleaning process.

  • 1Download and install the ZRO application on a macOS 14+ device.
  • 2Launch ZRO and initiate a full system scan to identify cache, duplicate, and large files.
  • 3Review the detailed item explanations and safety labels provided by the AI-based assistant.
  • 4Utilize the AI-based assistant to select and remove unnecessary junk files.
  • 5Access privacy features such as P2P file transfer, encrypted ghost messaging, or the private document vault as needed.
  • 6For advanced users, leverage the secure environment for coding agents and building self-updating internal applications.

pricing

ZRO — Back to zero. Nothing lost. Pricing & Plans

ZRO — Back to zero. Nothing lost. operates on a freemium model, offering a free tier with limited cleaning capabilities and several paid plans for extended functionality and advanced features. The platform also offers custom plans for teams and enterprises.

  • Free: $0, includes first 500 MB of free cleaning.
  • Pro (Monthly): $2.99/month, unlocks full cleaning functionality.
  • Pro (Annual): $19.99/year, offers a discounted rate for annual billing.
  • Lifetime: €99, a one-time purchase for permanent access.
  • Free Sandbox Plan: Provides free credits for testing the platform without a credit card.
  • Pro Plan (Workspace): $60 per month when billed annually, offering approximately 1.5 billion tokens of expected monthly usage, access to models like GLM-5.2, DeepSeek V4 Flash 0731, Kimi K3, an OpenAI-compatible API, and Zro CLI launcher.
  • Max Plan (Workspace): Offers more usage than the Pro plan, also with approximately 1.5 billion tokens expected monthly usage and all features of the Pro plan.
  • Teams and Enterprise Plans: Custom plans available for shared access, custom usage, dedicated support, security, procurement assistance, and on-premise deployment options.
  • Tool Pricing (Web Search): Live web results for coding agents are a fixed-cost tool call at $0.02 per search, separate from token estimates.
  • Paid Sandbox Plan: Starts at $19 per month with 8,000 credits, with top-ups available starting at $45 for 20,000 credits.

Pros

  • +On-device AI intelligence ensures privacy with no telemetry or data collection.
  • +Comprehensive cleaning capabilities for cache, duplicate, and large files on macOS 14+.
  • +Integrated AI-based assistant simplifies the cleaning process for users.
  • +Offers robust privacy features including P2P file transfer, encrypted messaging, and AI camera detection.
  • +Unique shared memory system for AI agents, preventing context loss in complex workflows.
  • +Cost-efficient proprietary routing engine for AI models, potentially saving up to 10 times on API costs.

Cons

  • −Credit-based pricing for AI agent usage can lead to unpredictable costs for heavy data volumes.
  • −Mobile interface is still developing compared to more established SaaS platforms.
  • −The 'AI-based assistant' may require user trust in its suggestions for optimal cleaning.
  • −While comprehensive, some users might find the array of features overwhelming if only seeking basic cleaning.

Similar Tools

ZRO — Back to zero. Nothing lost. vs Competitors

ZRO — Back to zero. Nothing lost. distinguishes itself in the Mac cleaning and privacy tool market through its integrated AI-based assistant, comprehensive junk file identification, and robust privacy features, including a unique shared memory system for AI agents.

1
CCleaner for Mac↗

Focuses on quick and easy removal of temporary files, browser caches, and other system junk.

While its free version effectively cleans basic junk and finds duplicates, it may not offer the same depth in large file finding or the 'AI-based assistant' for smart suggestions that ZRO provides.

2
dupeGuru↗

An advanced, open-source tool for finding exact and fuzzy duplicate files across various file types, including specialized modes for music and pictures.

Highly effective for duplicate file removal, but it is a single-purpose tool and does not offer general system junk cleaning or large file identification like ZRO.

3
OnyX↗

A multi-function utility that allows users to verify the startup disk, configure hidden macOS parameters, and perform various system maintenance tasks.

Offers deep system maintenance and cleaning capabilities, but requires more technical knowledge and is less automated or 'AI-assisted' than ZRO for routine, user-friendly cleaning.

4
VaultSort↗

Provides a visual breakdown of disk usage, helps identify large files, and offers file organization features, with premium options for duplicate detection and secure deletion.

Its free tier is excellent for visualizing storage and finding large files, but comprehensive junk file cleaning and duplicate detection are part of its premium features, unlike ZRO's more integrated freemium offering.

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