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Reference edition 2026.46

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RejectProof vs Isothrum

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 Isothrum
DetailRejectProof logo RejectProofIsothrum logo Isothrum
What it doesFind out why Apple will reject your app before you submit A GNS3-style editor for containers, VMs, switches and routers that runs in your browser
StageNot given Not given
FoundedNot given 2022
Based inTR FR
Pricing modelPaid Free
PricingFree: 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. Not given
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
  • Visual lab editor with drag-and-drop interface for network devices
  • Mix containers and VMs in the same lab
  • Configure switches with VLANs and trunks
  • Automatic or manual routing between networks
  • Add network conditions like latency, jitter and packet loss
  • Export to Docker Compose, Vagrant, Proxmox, Kubernetes and cloud platforms
  • Import GNS3 projects and convert them to labs
  • Real-time validation as you design
  • Desktop app with consoles, VNC screens and packet capture
  • Works offline and runs entirely in the browser
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
  • Runs in your browser with no installation or account required
  • Exports to multiple environments from one lab design
  • Private by design with no data leaving your browser
  • Open isoloom.yml format that you own and can version control
  • Can import and convert existing GNS3 projects
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)Not checked yet no change since last check2 no change since last check
Trust Flow (Majestic)30
Citation Flow (Majestic)150
Referring domains (Majestic)80

5 details filled in for both companies.

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