Lumi Tracker vs Osmium Chat
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Lumi Tracker
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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
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.
- Fast global messaging
- Reliable on unstable connections
- Private data infrastructure
- Free public API for developers
- No ads or data harvesting
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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
Verdict
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
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.
Lumi Tracker ships an update every 2 days, Osmium Chat every 2 weeks. Both last shipped on October 7, 2026.
| Parameter | Lumi Tracker | Osmium Chat |
|---|---|---|
| Price | Free | Free |
| Rating | — | 3.8 (5 ratings) — better |
| Positive reviews | — | 60.0% of reviews |
| Number of ratings | — | 5 — better |
| Update frequency | Every 2 days — better | Every 2 weeks |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.1 — better | 18.2 |
| Further details — not scored | ||
| Size | 64 MB | 71 MB |
| Age rating | 12+ | +12 |
| Developer | Andre Castro Lopes Ltda | Uncollapse |
In-app purchases
Lumi Tracker
- Lumi Pro Monthly3 Days trial$1.491 Month
- Lumi Curator Monthly3 Days trial$2.491 Month
- Lumi Pro Annual3 Days trial$13.991 Year
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- Lumi Curator Annual3 Days trial$21.991 Year
Osmium Chat
No in-app purchases









