Hyperspace

Every Mac cleaner offers the same deal. You get space back, and something gets deleted. That works until the deleted thing turns out to matter. Hyperspace, a macOS utility from Hypercritical LLC, the company of longtime Mac writer and podcaster John Siracusa, takes deletion out of the deal entirely.

The idea is narrow and precise. You point the app at one or more folders. It scans them for files with identical contents, then replaces the duplicates with APFS clones of a single source file. Clones are a native Apple File System feature, the same one Finder uses when you duplicate a file. After reclaiming, every file keeps its name, location and metadata. Each one also stays fully independent: edit one copy and the others don’t change. The redundant storage goes away. The files stay.

That difference defines where the product sits in the market. Conventional duplicate finders make the user decide what to throw away, which turns cleanup into a chore of second-guessing. Hyperspace asks a smaller question: which copy should serve as the source? Every path in the file system stays intact. Scripts, project files and apps that expect a file at a specific location keep finding it there.

The business model is just as careful. Scanning is free and unlimited, so any Mac owner can see how much space is recoverable before spending anything. Reclaiming requires a one-month unlock at $9.99, a one-year unlock at $19.99, a lifetime unlock at $49.99, or a subscription. The app requires macOS 15 or later and works only on APFS volumes.

The reception follows a clear pattern. MacStories, Six Colors and 512 Pixels praised the concept, the scan speed and the safeguards. The recurring complaint, from some Mac App Store users, is the cost. The Mac App Store listing does not yet have enough ratings to show an average score. That leaves the design and the pricing to carry the argument, and they pull in different directions.

• Clone-based reclaiming: Duplicates become APFS clones of one source file. Space comes back, and every file keeps its name, location and metadata.
• Independent copies: Cloned files behave as separate files. Editing one leaves the others untouched.
• Review before reclaim: Groups of identical files appear for inspection before anything changes, and the user chooses which file serves as the source.
• Protected source folders: Folders can be marked as protected sources, adding another safeguard before reclaiming.
• CSV export: Scan results export to CSV for auditing, record-keeping or analysis outside the app.
• Scan filters: File-type and minimum-size filters limit scans to the duplicates worth reclaiming.
• Scope controls: Settings include or exclude cloud storage, Library folders, and packages such as Photos libraries.
• Shortcuts actions: Adding scan sources, scanning, reviewing and reclaiming can all be automated.
• Free, unlimited scanning: The full scan costs nothing. Only reclaiming requires payment.

The Mechanism: Deduplication Without Loss

The smartest decision in Hyperspace is the one it refused to make. A duplicate finder that deletes has to guess the user’s intent. Is that second copy of a video a forgotten download, or a deliberate backup inside a project folder? Software can’t know. Hyperspace avoids the question. Each duplicate becomes a clone instead of being deleted, so the file stays where its owner put it.

The independence guarantee does most of the work here. If a clone changed whenever its sibling changed, it would be a hard link with extra steps. That would be dangerous for exactly the workflows that create duplicates in the first place. Hyperspace’s clones behave like ordinary separate files: edit one and the others stay as they were. This has a logical consequence. Once a user edits a cloned file, the changed data needs its own storage again. The savings last longest on files that never change, such as archives, media libraries, downloaded installers and reference assets.

Safety Architecture

Hyperspace builds its caution into the feature set instead of leaving it to a disclaimer. System files are never touched. Before any change, the app shows groups of identical files for review, lets the user pick the source file for each group, and supports protected source folders. Results also export to CSV. That gives careful users, and anyone responsible for a shared machine, a written record of what will change.

These layers matter because the operation is invisible by design. After reclaiming, Finder shows the same names, the same folders and the same metadata. When a tool’s success leaves no visible trace, it needs a strong review step before it acts, and Hyperspace has one.

Scope and Control

The settings target the places where duplicate hunting tends to go wrong. Cloud storage, Library folders and packages such as Photos libraries each carry their own risks. Hyperspace lets users include or exclude each one instead of deciding for them. A Photos library is a package most users never open directly, so making its inclusion an explicit setting is the right call.

The file-type and minimum-size filters solve a different problem: noise. Thousands of tiny identical files may add up to little reclaimable space. A size threshold keeps the scan focused on the large duplicates that actually change the storage picture, and it keeps the review list short enough to read carefully.

Automation

Shortcuts support turns Hyperspace from an occasional cleanup into a maintenance routine. The actions cover the whole pipeline: adding scan sources, scanning, reviewing and reclaiming. A user who regularly copies large assets between project folders can build the full cycle into a broader Shortcuts workflow. Exposing review as its own action is the right choice, because it keeps automation consistent with the app’s safety-first design.

The Value Question

This is where the design and the business model split. The free scan is the best pricing decision in the app. It shows exactly how much space can be recovered before any payment, and App Store users credit that transparency. Nobody has to buy on faith.

The paid tiers are harder to defend. $9.99 for a month, $19.99 for a year or $49.99 for a lifetime unlock is a lot to ask for a single-purpose utility, and some App Store users call the pricing greedy. The math depends entirely on the individual Mac. MacStories recovered only about 4 GB on a 2.5 TB Mac Studio, while others recovered much more. If a scan finds a few gigabytes, even the one-month unlock buys very little. If it finds a large amount, the same price looks reasonable.

The non-renewing unlocks deserve credit. Someone with a one-time cleanup job can pay once and leave, and some App Store users welcome that structure. Repeat users face a harder decision. A yearly or lifetime unlock is only worth it if new duplicates keep piling up, and only repeated free scans can show whether they do.

The interface has one main job: to make an invisible operation easy to understand. Its structure fits that job. Identical files appear in groups, each group has a chosen source, and protected folders mark which parts of the disk anchor the process. That organization tracks how the user needs to think about the problem: which copies are the same, which one counts as the original, and which locations are off-limits. The CSV export acknowledges that some audits are better done in a spreadsheet than in a scrolling list.

On performance, MacStories, Six Colors and 512 Pixels praised fast scans, with one test reporting about 30 seconds. Scan time should grow with the size and number of files in the chosen folders. The minimum-size and file-type filters let users keep scans short on large drives. The end result is standard APFS clones, so the files remain ordinary files to every other app on the system. There is no proprietary format to maintain.

Hyperspace is Mac-only and sold through the Mac App Store. There are no versions on other platforms. Its workflow suits a pointer-and-keyboard desktop: pick folders, inspect grouped results, adjust source choices, export a CSV.

The platform requirements are strict. The app needs macOS 15 or later, which excludes older machines and users who have held off on upgrading. Reclaiming works only on APFS volumes, with all files on the same volume. Duplicates split between an internal drive and an external disk can’t be merged into clones. Users with sprawling multi-drive setups will get the most out of the app one volume at a time.

Shortcuts integration ties the app into macOS automation, which suits users who already use Shortcuts for system maintenance. Pricing is the same for everyone: free scanning, then a one-month, one-year, lifetime or subscription unlock to reclaim.

Hyperspace solves a real problem with the least destructive method available. It takes a file-system feature Apple already uses for every Finder duplicate and applies it, after the fact, to duplicates users created the expensive way. The safety design matches the stakes of an operation that leaves no visible trace: review groups, source selection, protected folders, CSV export and untouched system files. Scope controls and full Shortcuts coverage make it a tool power users can build into routine maintenance.

The price holds it back. The app’s value depends on a number nobody can predict in advance: how many identical files a given Mac holds. MacStories found about 4 GB on a 2.5 TB Mac Studio, and others found far more. The free scan answers that question for each user, and anyone curious should start there. We recommend Hyperspace to Mac owners whose scan turns up a substantial amount of space, and to anyone who wants storage back without letting software decide what to delete. For everyone else, the free scan’s answer is the one to follow.