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Lumo reviews

Lumo's iPhone and iPad app averages 3.9 out of 5 from 537 ratings on the App Store in the United States, as read on Oct 5, 2026.

The rating

3.9

out of 5 for the iPhone and iPad app

  1. 5 stars54%
  2. 4 stars14%
  3. 3 stars11%
  4. 2 stars9%
  5. 1 star13%

537 ratings on the App Store in the United States, read Oct 5, 2026. It rates the app, not everything the product does. See the listing

We have not yet read enough reviews of Lumo to say what people praise and criticise. The links below go to where the reviews are.

Check for yourself

These open each site’s own pages. Nothing on this page is copied from G2 or Reddit.

What Lumo's own pages show

Suits

  • People who want an assistant that cannot read or reuse their chats
  • Proton users who already keep files in Proton Drive
  • Trying a private assistant without creating an account

Limits worth knowing

  • The free plan limits Max model usage, messages, chat history, image generations and uploads, and allows 1 Project; Proton gives no exact numbers.
  • The download menu lists iOS and Android apps and a web app; no desktop app is listed.
  • Business use is sold separately, as Lumo Professional or as part of Proton Workspace.

Read from the vendor’s pages, not from reviews. The tool page lists them.

Common questions

How is Lumo rated?

Lumo's iPhone and iPad app averages 3.9 out of 5 from 537 ratings on the App Store in the United States, as read on Oct 5, 2026. That is the store's rating of the app, not a score from ToolGPA.

Are these ToolGPA's own reviews of Lumo?

No. ToolGPA does not review or score tools. Any rating shown is the store's, and any praise or complaint listed is a theme from public reviews and discussions, summarised in our words with a link to where it was said.

Where can I read more reviews of Lumo?

This page links to Lumo's App Store listing where it has one, and to searches for it on G2, Reddit and Hacker News, so you can read what people wrote in full.