Start with what you actually redact
CaseGuard and Philter Desktop are not really the same kind of product, and the comparison only makes sense in the place where they overlap. CaseGuard Studio is pitched around evidence: body camera footage, dash cam video, interviews, 911 calls, and the documents that sit in the same case file. Philter Desktop was built for the person with a stack of PDFs and Word files who needs personal details out of them before they go anywhere.
So the first question is a simple one. Do you redact video or audio? If you do, stop here and look at CaseGuard, because Philter Desktop does not touch media files at all. If you do not, you are looking at the document part of a much larger suite, and it is fair to ask what you would be paying for.
Where CaseGuard is the better choice
For media, CaseGuard is in a different category. It tracks faces and license plates across video, anonymizes voices, transcribes and translates recordings, and handles recordings from body cameras, CCTV, and 911 calls. Philter Desktop does none of that.
It also goes further in places on documents. CaseGuard takes PST and MBOX mailboxes where Philter Desktop reads individual EML and MSG files, and it lists PowerPoint and older DOC and XLS files, which Philter Desktop does not open. It offers Bates stamping and exemption reports, which matter in litigation and public records work. Its plans include an account manager and live training, and CaseGuard staff can do the redaction for you. A team that wants a vendor closely involved will get more of that from CaseGuard than from a small company offering email support.
The price difference
CaseGuard’s cheapest plan, Doc Suite, is $279 per user per month billed annually, which comes to $3,348 per user per year. Philter Desktop is $199 per user per year for commercial use. A five-person team would pay $995 a year for Philter Desktop and $16,740 a year for Doc Suite, at list price.
That gap is not a sign that one of them is overpriced. CaseGuard includes training, an account manager, and features Philter Desktop does not have. But if your team would never use those things, the difference is real money, and it is the reason to look at this comparison at all.
Where Philter Desktop pulls ahead
The biggest difference after price is that Philter Desktop is open source. Your IT team can read what the application does, confirm for themselves that documents stay local, and build it from source. For a tool that handles privileged or regulated files, being able to check is worth having.
A few smaller differences add up in daily use:
- Evaluation. Philter Desktop is free to evaluate, with no watermark on the output, so you can judge it on your real documents.
- Automation at the base price. Watched folders are included. CaseGuard lists Watcher on its Ultimate plan only.
- No page metering. CaseGuard’s AI document analysis comes with 48,000 credits a year at one credit per page, which is plenty for many teams and can be expanded, but is still a limit to plan around. Philter Desktop runs detection on your own computer with no per-page count.
- ARM support. It runs natively on Intel, AMD, and ARM Windows PCs, including Snapdragon laptops.
- Nothing to finish before you cancel. Redaction writes a new copy of each file, and there is no project to keep open. CaseGuard’s FAQ says unfinished projects cannot be edited or exported once a subscription is canceled, though files already exported remain available.
Offline and privacy
Offline operation does not separate these two products as much as you might expect. CaseGuard describes itself as local software, and its FAQ says all redaction work is performed locally, with no files processed or stored in the cloud. It also says that online or offline, CaseGuard does not see, store, or transfer your files outside your local machine or network. It supports air-gapped use with an offline license key. That is a good position, and you should not read this page as saying otherwise.
The details do differ. CaseGuard’s offline key is tied to one computer and cannot be changed until renewal, and its transcription and translation features are not available offline. Philter Desktop needs no key or license step to work offline. It opens, analyzes, and redacts every file on your computer, and the only network request it makes is the version check when you choose Help, then Check for Updates.
Test either one on your own files
No redaction tool finds everything. Detection is probabilistic, and results depend heavily on your documents, so neither vendor’s feature list tells you how well a tool will do on your files. Take a representative sample, including your worst scans, run it through both, and review the output page by page. That will tell you more than this page can. If the output holds up and documents are all you redact, Philter Desktop may be all you need.