PRICING

Start free. Add Pro when automation saves the day.

RayCrest MDS is available now for macOS 13+. Download the local-first molecular design studio for native file import, manual primer design, plasmid editing, sequencing review, cloning simulation, protein context, and polished map export.

Download on the Mac App Store

DOWNLOAD

Download RayCrest MDS for macOS

Start with the free workspace for manual primer design, native file import, plasmid editing, sequence review, and local project work. Your constructs and reads stay on your Mac.

Free

RayCrest Free

For everyday construct work, review, and local file handling.

Open GenBank, FASTA, SnapGene .dna, AB1/ABI, FASTQ, GFF3, and EMBL files
Edit DNA and plasmid sequences with annotations and map context
Create manual primers from the active sequence
Review chromatograms and construct-linked evidence
Use lab calculators and local project organization

Download on the Mac App Store

Pro

RayCrest Pro

$9.99 per month

For automation, deeper review, and figure-ready outputs.

Primer Wizard automation, qPCR design, 5′ tails, exact-edge anchors, and primer-library checks
Sanger and FASTQ-backed QC decisions with coding-impact calls
Gibson, Golden Gate, restriction, In-Fusion, and Gateway assembly planning
Protein MSA, UniProt-linked annotations, residue mapping, and 3D structure context
Publication-ready plasmid maps with image, vector, and PowerPoint export

Download and upgrade in app

Pro subscriptions are handled through Apple's App Store flow after download.

FREE VS PRO

Choose the workflow depth you need

Free

Sequence workspace

Native file import, plasmid editing, annotations, translation, ORFs, feature review, and local project organization.

Free

Manual primer design

Create and review primers from the active sequence without moving into a separate calculator.

Free

Local-first workspace

Keep constructs, reads, notes, primer library records, and project files on your Mac.

Pro

Design automation

Generate ranked primer candidates, simulate assemblies, inspect junctions, and carry selections across workflows.

Pro

Evidence review

Resolve AB1 and FASTQ-backed mismatches with chromatogram peaks, consensus calls, and coding-impact context.

Pro

Protein and publication output

Use protein alignments, structure views, amino-acid styling, and polished map export for reviews, talks, and handoffs.

LOCAL-FIRST

Your constructs and reads stay on your Mac

RayCrest MDS does not upload sequence files, plasmids, reads, reports, primer library records, protein data, or workspace files to RayCrest Software. App Store downloads and Pro subscription handling run through Apple's App Store flow.

Read the full Privacy Policy for app, website, and support data.

LEGAL

End User License & legal information

RayCrest MDS uses Apple’s Standard End User License Agreement when distributed through Apple channels.

You can review Apple’s Standard EULA here: Apple Standard EULA .

SUPPORT

Questions about download, App Store, or Pro access?

Contact support@raycrestmds.com for setup, App Store, Pro, licensing, or support questions.

RayCrest MDS is available now.

Start free with manual primer design and native file import. Add Pro for $9.99 per month for Primer Wizard automation, Sanger/FASTQ QC, cloning simulation, protein/structure tools, and publication-ready map export.

Download on the Mac App Store