# Japality Genomics Viewer — FASTA, BAM & GFF on device

> FASTA, BAM & GFF on device (iPhone/iPad app by Japality Limited.)

- Source: https://appshunter.io/ios/app/japality-genomics-viewer/id6812807584 (this page in markdown: same URL + `.md`)
- Developer: [Japality Limited](https://appshunter.io/developer/1574046707)
- Category: Education, Productivity
- Price: Free
- Age rating: 4+
- Requires: iOS 15.0 · 42 MB
- Languages: American English
- Released: 2026-09-21
- Data updated: 2026-10-03
- User reviews in markdown: https://appshunter.io/ios/app/japality-genomics-viewer/id6812807584/reviews.md

## What is Japality Genomics Viewer?

JGV is a local-first genome browser for iPhone and iPad. Open a FASTA on the device, add alignments and annotations, then pinch to zoom and drag to pan a locus.

Open files from the Files app or iCloud Drive. Sequence data stays on the device. No account and no cloud genome upload.
  Supported formats
  • Genome: FASTA (an index is built if missing)
  • Alignments: SAM, BAM, CRAM
  • Features: GFF3, GTF, BED
  • Variants: VCF
  • Signal: BigWig
  • Contacts: BEDPE


## Version history (last 1 release)

### 0.0.4 — 2026-09-21

No release notes.

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All apps by Japality Limited: https://appshunter.io/developer/1574046707

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-10-03.*