# Penumbra Invert

> Penumbra Invert (iPhone/iPad app by Vincent Spitale.)

- Source: https://appshunter.io/ios/app/penumbra-invert/id1609172060 (this page in markdown: same URL + `.md`)
- Developer: [Vincent Spitale](https://appshunter.io/developer/1564663828)
- Category: Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 15.0 · 1 MB
- Languages: English
- Released: 2022-02-16
- Data updated: 2026-07-04
- User reviews in markdown: https://appshunter.io/ios/app/penumbra-invert/id1609172060/reviews.md

## What is Penumbra Invert?

Invert the brightness of web videos to make viewing more comfortable. Enable the extension when watching a lecture late at night or when a video is too dark in the sun. Penumbra uses a smart invert to maintain accurate color hues.


## Version history (last 1 release)

### 1.0 — 2022-02-16

No release notes.

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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 2026-07-04.*