Comparison

Lumi Tracker vs Osmium Chat

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Lumi Tracker

Read full description

Lumi is a social network for tracking, organizing, and sharing everything you watch, read, play, and listen to. Create your personal library, log your experiences, discover new titles, and see what your friends are enjoying. Movies, shows, books and games live in one place, with profiles, lists, a diary, clubs, and social features made for people who love pop culture and entertainment. With Lumi, you can: - Log movies, shows, books and games - Create custom lists and collections - Share opinions and activity with friends - Join clubs and communities - Discover recommendations and trending content - Track your library, history, and stats - Play social minigames and discovery challenges Lumi Premium unlocks extra features like ad removal, more space for collections and clubs, profile customization, a music widget, premium identity, and advanced features for Pro and Curator users. Terms of Use: https://lumitracker.com.br/terms Privacy Policy: https://lumitracker.com.br/privacy

About

Osmium Chat

Experience fast, reliable, and private messaging with a global server network. This app offers a free, public API for developers and is independently owned with a privacy-first approach, ensuring no ads or data harvesting.

Highlights
  • Fast global messaging
  • Reliable on unstable connections
  • Private data infrastructure
  • Free public API for developers
  • No ads or data harvesting
Read full description

FAST - Built on a network of servers distributed around the world to keep messaging and voice fast anywhere. OPEN - Free, public API lets developers build custom bots, integrations, and clients without restrictions. RELIABLE - Built to deliver your messages even on slow or unstable connections. PRIVATE - Your data is stored in your region in our custom-build private infrastructure. INDEPENDENT - Privately owned and privacy first - no ads, no data harvesting, just messaging.

Screenshots

Lumi Tracker4 screens
Osmium Chat3 screens

Verdict

The call

The clearest difference is in-app purchases: Osmium Chat at none against Lumi Tracker's 4. Osmium Chat also leads on ads (none vs shown). Lumi Tracker's advantage is update cadence (every 2 days vs every 2 weeks) and device support (3 vs 1). On price there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Lumi Tracker sells 4 in-app purchases, starting at $1.49 per month. Osmium Chat asks for nothing beyond the download.

UpkeepUpdate frequency

Lumi Tracker ships an update every 2 days, Osmium Chat every 2 weeks. Both last shipped on October 7, 2026.

Scorecard5 real differences · 5 level
Lumi Tracker versus Osmium Chat: the parameters behind the verdict, then further details
ParameterLumi TrackerOsmium Chat
PriceFreeFree
Rating—3.8 (5 ratings) — better
Positive reviews—60.0% of reviews
Number of ratings—5 — better
Update frequencyEvery 2 days — betterEvery 2 weeks
AdsYesNo — better
In-app purchasesYesNo — better
Monetization—Free
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.1 — better18.2
Further details — not scored
Size64 MB71 MB
Age rating12++12
DeveloperAndre Castro Lopes LtdaUncollapse

In-app purchases

4 purchases

Lumi Tracker

Subscriptions4
  • Lumi Pro Monthly3 Days trial$1.491 Month
  • Lumi Curator Monthly3 Days trial$2.491 Month
  • Lumi Pro Annual3 Days trial$13.991 Year
Show 1 more
  • Lumi Curator Annual3 Days trial$21.991 Year
None

Osmium Chat

No in-app purchases

Questions

Is Lumi Tracker free?
Lumi Tracker is free to download, with in-app purchases available.
Is Osmium Chat free?
Osmium Chat is free to download, with no in-app purchases.
Do Lumi Tracker or Osmium Chat have ads?
Lumi Tracker shows ads; Osmium Chat does not.
Which is updated more often, Lumi Tracker or Osmium Chat?
Lumi Tracker ships an update every 2 days, and Osmium Chat every 2 weeks. Most recently, Lumi Tracker was updated on October 7, 2026 and Osmium Chat on October 7, 2026.

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