Groups.io App vs TrainTracker App
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Groups.io App
This app provides a modern platform for online communities with powerful management tools. It offers advanced features like hashtag organization, topic muting, and integrations with other services. Users can find, join, and manage groups, receiving real-time notifications.
- Advanced group management
- Hashtag archive organization
- Mute individual topics
- Real-time push notifications
- Integrated Chat, Calendar, Polls
- Integrations with RSS, Trello, Github
- Member synchronization with Slack
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Groups.io is the next generation platform for online communities. We are a modern platform for serious communities. Powerful management tools. Mobile ready. No ads, no tracking. We have the most advanced features of any group system, including: - Better archive organization with hashtags - Mute individual topics and hashtags - Advanced group management - Powerful additional features, including Chat, Calendar, Polls, Databases, Wiki, Files and Photos - Additional integrations with RSS, Trello, and Github - Member synchronization with Slack This app lets you: - Find and subscribe to existing groups - Receive real time push notifications about activity in your groups - Create and manage your groups
TrainTracker App
Log and explore real-time train sightings across North America. Share your discoveries, view what others have spotted, and track your sighting history with badges. Features an interactive map and community feed for railfans.
- Log train sightings with photos and GPS
- Interactive map with railroad-colored pins
- Community sighting feed
- User profiles with badges
- Searchable railroad picker
- Dark mode support
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TrainTracker is the railfan community's sighting map. Log the trains you spot, see what others have found, and explore sightings across North America in real time. SPOT AND LOG Quickly log train sightings with locomotive number, railroad, train symbol, direction of travel, photos, and GPS location. Tag your sightings and add YouTube video links. EXPLORE THE MAP Browse an interactive map with color-coded pins for every railroad. Filter by time range, railroad, and more. Tap any pin to see sighting details and photos. COMMUNITY FEED See what other railfans are spotting in your area and across the country. View sightings from the last 24 hours or browse the full archive with search and filters. YOUR PROFILE Track your sighting history, earn badges as you log more sightings, and share your profile with other railfans. Set your home location to see nearby activity. DARK MODE Full dark mode support throughout the app. Toggle it from your profile. FEATURES - Log sightings with photo, location, railroad, locomotive number, and train symbol - Interactive map with railroad-colored pins and direction arrows - Community sighting feed with nearby and recent tabs - Searchable railroad picker with 100+ railroads - Sighting archive with search, time filters, and railroad filters - User profiles with badges, referral links, and sighting history - Pull-to-refresh on all screens - Dark mode support - Feedback form to help us improve Built for railfans, by railfans. TrainTracker is an independent platform and is not affiliated with or endorsed by any railroad company.
Screenshots
Verdict
The clearest difference is review sentiment: TrainTracker App at 80% against Groups.io App's 36%. TrainTracker App also leads on rating (4.8 vs 3.0) and update cadence (every 3 days vs every 15 months). Groups.io App's advantage is ads (none vs shown) and iOS requirement (15.0 vs 17.6). On price, ratings volume, in-app purchases and monetization model 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. Neither carries in-app purchases, so what you see is what you pay.
TrainTracker App holds the better App Store score, 4.8 against 3.0. Both are backed by a comparable volume of ratings — 26 and 15 respectively. Written reviews point the same way: 36% of Groups.io App's written reviews are positive against 80% of TrainTracker App's.
Groups.io App ships an update every 15 months, TrainTracker App every 3 days. The most recent releases landed on September 28, 2026 and September 21, 2026 respectively.
| Parameter | Groups.io App | TrainTracker App |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (26 ratings) | 4.8 (15 ratings) — better |
| Positive reviews | 36.0% of reviews | 80.0% of reviews — better |
| Number of ratings | 26 — better | 15 |
| Update frequency | Every 15 months | Every 3 days — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 29 MB | 39 MB |
| Age rating | 17+ | 4+ |
| Developer | Groups.io, Inc | SAMUEL NICHOLAS HAJEK |
Customer experience
Groups.io App
TrainTracker App
In-app purchases
Groups.io App
No in-app purchases
TrainTracker App
No in-app purchases
Questions
Is Groups.io App free?
Is TrainTracker App free?
Which has better reviews, Groups.io App or TrainTracker App?
Do Groups.io App or TrainTracker App have ads?
Which is updated more often, Groups.io App or TrainTracker App?
Other comparisons
