604Apps Mobile product studio Discuss a video app

Video editing and management apps built around the hard parts.

604Apps builds focused Mac, iPhone, and iPad workflows for organizing large video libraries, finding the right footage, reviewing duplicates, restoring older clips, comparing results, exporting media, and keeping sensitive collections local.

AVFoundation media pipelines On-device Core ML Local-first storage
Video Atlas showing a visual library of videos indexed from Mac folders and external drives
A Photos-style video library built from folders on a Mac and external drives.

Organize the library. Clean up the copies. Restore the footage.

These are shipping products and production-grade prototypes, not generic portfolio mockups. Together they cover the lifecycle around a personal or professional video collection.

Video Atlas indexed Mac video library

Video Atlas

Indexes videos in place, builds previews, searches scenes and people locally, reviews duplicates, and streams from a Mac to an approved iPhone or iPad.

Read the library guide
VideoTwin Finder duplicate video summary on Mac

VideoTwin Finder

Combines exact file matching with sampled-frame similarity, cached indexes, reclaimable-space triage, and careful review before files move to Trash.

Read the duplicate guide
ReviveFrame before-and-after video comparison on Mac

ReviveFrame

Restores older, low-resolution footage on the Mac, supports practical output targets, preserves the original, and makes before-and-after review part of the workflow.

Read the restoration guide

The interface is only the visible layer.

Useful video software depends on media handling, background work, durable indexes, clear comparison tools, and honest failure states. Those technical choices shape the product experience.

Import and indexingFolder access, external drives, metadata extraction, thumbnails, cache reuse, and incremental refreshes.
Search and organizationFilename and metadata filters, local semantic search, people grouping, themes, and visual similarity.
Editing-adjacent reviewClip selection, before-and-after playback, side-by-side comparison, keep decisions, and export confirmation.
Processing and exportLong-running jobs, progress and time estimates, cancellation, output sizing, media preservation, and standard formats.
Private device workflowsOn-device models, local indexes, security-scoped file access, encrypted companion connections, and no required media cloud.
App Store deliveryNative SwiftUI experience, sandbox permissions, privacy disclosures, localized metadata, release assets, and review preparation.

Keep originals safe. Show the user what will happen. Make local processing understandable.

Video workflows touch large files and irreplaceable memories. The product should separate indexing from deletion, preserve source footage during restoration, expose output choices, and let people compare before committing to a result.

Local-first does not mean silent or simplistic. A good app explains which folders it can access, what it caches, how long processing may take, and what will be created, renamed, exported, or moved to Trash.

Start with the footage, the user decision, and the required output.

Share the target Apple devices, representative source videos, the current workflow, and the result the app should produce. 604Apps can turn that into a focused first release.

Discuss a video app