GitProof vs TestFlows Machine

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

GitProof compared with TestFlows Machine
Detail	GitProof	TestFlows Machine
What it does	Cryptographically verified repository authorship and timestamping for legal and audit evidence	Run your programs deterministically. Record, replay, and branch your runs.
Stage	Not given	Not given
Founded	Not given	Not given
Based in	US	Not given
Pricing model	Freemium	Freemium
Pricing	Community: Free. Pro Solo: $79 one-time (perpetual v1.x license) or $29/mo, $290/yr subscription. Team & Agency: $99/mo or $990/yr (up to 10 seats).	Free: €0 with ₡3 credits included each month (about 20 vCPU-hours). Starter: €10/month with ₡25 credits (about 166 vCPU-hours). Plus: €25/month with ₡65 credits (about 433 vCPU-hours). Pro: €50/month with ₡150 credits (about 1,000 vCPU-hours). Dedicated: contact sales. Usage credits: €1 a credit, pu
Key features	RFC 3161 notarization from DigiCert and Sectigo time stamp authorities Merkle DAG provenance with SHA-256 tree hashing FRE 902 self-authenticating PDF certificate generation 100% offline verification with open-source verifier Automated Git hooks for pre-push cryptographic sealing CLI and native Git plugin integration CI/CD workflow automation for repository sealing Dynamic SVG authorship badges for README files Corporate entity binding and custom LLC configuration	Record runs with non-deterministic inputs pinned down Replay runs instruction-by-instruction Checkpoint and fork from any point Fault injection for disk, network, clock, containers and system calls Built-in debugger for machine programs Machine client and Python SDK Cloud storage for runs and disk images Multiple simultaneous sessions with configurable vCPUs Configurable session disk up to 256G
What makes it different	Cryptographic evidence under U.S. Federal Rules of Evidence 902 and 28 U.S.C. § 1746 Human authorship defense for copyright and M&A intellectual property verification Fully offline and open-source verification with zero external dependencies Enterprise-grade legal compliance for litigation and M&A due diligence	Deterministic replay of program runs with identical outcomes Fork and branch from any point without losing original timeline Comprehensive fault injection testing built-in Pay-as-you-go usage credits with free plan available
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	Not checked yet no change since last check	2 no change since last check
Trust Flow (Majestic)	4	4
Citation Flow (Majestic)	19	21
Referring domains (Majestic)	10	27

5 details filled in for both companies.

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