鉄の瞳 vs Train Net
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
鉄の瞳
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RailVision is an AI train recognition app for railway enthusiasts. Use your smartphone, tablet, or camera to capture trains passing by in real time — or import photos you’ve already taken for analysis. Whether it’s the high-speed thrill of a Shinkansen or the calm scenery of a rural railway, you can record every moment with a single tap. Using AI (deep learning and computer vision), the app automatically identifies each train’s country, model, operating company, and car type. The identification results are displayed clearly, letting you enjoy them like a digital train encyclopedia. Photos and recognition data of the trains you capture are automatically saved to your history. The trains you’ve seen, photographed, and encountered become your very own “personal railway archive.” **Features** ・Real-time photography & AI analysis ・Supports a wide range of trains, from Shinkansen to express and local lines ・Automatic saving to create your personal railway record ・Simple, intuitive interface for everyone to use Record your railway journeys digitally — together with “Iron Eyes.”
Train Net
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Train Net records the railway you ride, using GPS. Only the segments you actually rode end up in your log. There are no stations to check off one by one. Tap start at the station you are boarding from, get on the train, and the segments you pass are automatically detected and filled in on the map. ■ How to Use Tap start at the station you board, tap stop when you get off. Train Net automatically works out which segments you rode from the stations you passed in between. It supports transfers and through services, leaving every segment you rode directly in your log. ■ Key Features 【Map & Stats】 • Interactive map coloring in your ridden segments, with line-by-line coverage • Detailed statistics including total distance, lines ridden, lines completed, and number of rides • Achievement badges earned by distance and line completions • Regional rankings by distance and number of rides 【Ride Log】 • Full history of past rides with routes, photos, and notes • Optional details for train name, class, vehicle/car/seat number, and fare paid • Travel spending automatically totalled by currency 【Convenient Functions】 • Live Activity support (view line name and elapsed time on your Lock Screen in real time) • Background recording support (continues recording even when the app is closed) ■ Railways in 28 Regions Includes passenger railway data for 28 regions: Japan (179 operators, 621 lines, 9,030 stations), Finland, Norway, Ireland, Italy, Croatia, Lithuania, Montenegro, Georgia, South Korea, Hong Kong, Singapore, UK, France, Germany, Austria, Switzerland, Czechia, Spain, Portugal, Greece, Poland, Romania, Slovakia, Brazil, USA, Canada, and Australia. Recording in any region is completely free. ■ Account & Sync Sign in with Apple or Google to seamlessly sync data across devices or switch to a new phone. Your data is stored safely in the cloud. ■ Pricing Recording, maps, basic stats, and device syncing are completely free (supported by ads). An optional subscription plan is available to remove ads, unlock detailed stats, and add up to 5 photos per ride. ■ Privacy Location data is used solely to detect nearest stations. Raw GPS traces are never stored. ■ Data Sources Station and line data for Japan uses station_database (© Seo-4d696b75). Data outside Japan is derived from GTFS open data published by transit operators/authorities, with geometry processed from OpenStreetMap. See "Data Sources" in the app for details. Terms of Service: https://train-net.pages.dev/en/terms/ Privacy Policy: https://train-net.pages.dev/en/privacy/
Screenshots
Verdict
The clearest difference is in-app purchases: 鉄の瞳 at none against Train Net's 3. 鉄の瞳 also leads on ads (none vs shown) and update cadence (every 5 days vs fortnightly). On price, device support and iOS requirement 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. Train Net sells 3 in-app purchases, starting at $0.99 per month. 鉄の瞳 asks for nothing beyond the download.
鉄の瞳 ships an update every 5 days, Train Net fortnightly. The most recent releases landed on October 30, 2026 and October 29, 2026 respectively.
| Parameter | 鉄の瞳 | Train Net |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 days — better | Fortnightly |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Devices | iPhone | iPhone |
| Requires iOS | 17.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 8 MB | 46 MB |
| Age rating | 4+ | 17+ |
| Developer | Voila Tech K.K | Tsuyoshi Matsuoka |
In-app purchases
鉄の瞳
No in-app purchases
Train Net
- Ad-Free (Monthly)$0.991 Month
- Pro (Monthly)7 Days trial$2.991 Month
- Pro (Yearly)7 Days trial$29.991 Year








