RejectProof 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.

RejectProof compared with TestFlows Machine
Detail	RejectProof	TestFlows Machine
What it does	Find out why Apple will reject your app before you submit	Run your programs deterministically. Record, replay, and branch your runs.
Stage	Not given	Not given
Founded	Not given	Not given
Based in	TR	Not given
Pricing model	Paid	Freemium
Pricing	Free: 10-question metadata review with no account. One app: $12 for full 54-point scan with 3 days of unlimited re-scans. Five apps: $39 ($7.80 each) for 5 credits. Studio: $99 for 20 apps ($4.95 each). One-time payment, no subscription. All prices exclude VAT.	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	54-point binary and metadata checks covering privacy, runtime, app completeness and provisioning Each issue includes guideline number, evidence and plain-English fix Support for Expo, Xcode, Rork, a0 and Bolt builds Privacy-first approach with JSON-only server communication Rejection guarantee refund if approved app marked as passing fails review	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	One-time payment per app with no subscription Unlimited re-scans for 3 days after purchase to verify fixes Built by an iOS developer with focus on preventing avoidable rejections	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)	3	4
Citation Flow (Majestic)	15	21
Referring domains (Majestic)	8	27

5 details filled in for both companies.

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