NextTrain vs CaltrainTrax
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NextTrain
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Don't worry about train time! NextTrain shows train's schedule that it will arrive station around you in Boston. Continued use of GPS running in the background can dramatically decrease battery life. NextTrain is not affiliated with the MBTA.
CaltrainTrax
This app provides real-time Caltrain information, including live train positions on a map, upcoming arrivals at stations, and trip planning. It offers customizable themes and quick access to commute details for a seamless travel experience.
- Live train positions on map
- Station arrival boards
- Favorite stations
- Weekday/weekend timetables
- Station-to-station trip planning
- Customizable themes
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CaltrainTrax is a fast Caltrain companion for checking trains, stations, and trips across the full corridor from San Francisco to Gilroy. - See live train positions on a corridor map - Open station boards for upcoming arrivals - Save favorite stations for a quick commute glance - Browse weekday and weekend timetables - Plan station-to-station trips, including South County transfers - Track service types with clear route colors - Choose clean, night, graphite, vibrant, or matrix themes The app is built for riders who want a quick answer: what train is coming, where it is, and whether the trip works. CaltrainTrax is an independent app and is not affiliated with Caltrain. Transit data may be delayed or unavailable.
Screenshots
Verdict
The clearest difference is update cadence: CaltrainTrax at every 3 days against NextTrain's every 9 days. NextTrain's advantage is iOS requirement (9.3 vs 17.0). On price, ads, in-app purchases and device support 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.
NextTrain ships an update every 9 days, CaltrainTrax every 3 days. The most recent releases landed on September 28, 2026 and September 24, 2026 respectively.
| Parameter | NextTrain | CaltrainTrax |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 2 — better |
| Update frequency | Every 9 days | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 9.3 — better | 17.0 |
| Further details — not scored | ||
| Size | 23 MB | 51 MB |
| Age rating | 4+ | 4+ |
| Developer | Chonnawee Phiphatkul | Sawyer Matzke |
In-app purchases
NextTrain
No in-app purchases
CaltrainTrax
No in-app purchases
