ZZZ Wake Up! vs Train Radar
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ZZZ Wake Up!
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■ About "ZZZ Wake Up!" This is a simple station alarm app designed to prevent you from missing your stop on the train. Set your destination station in advance, and the app will track your location via GPS, alerting you with a notification and vibration the moment you approach the station. This gives you peace of mind during long commutes to work or school, or even when taking a nap while traveling. ■ Key Features ・Select Your Destination Station — Search by station name across 24 countries worldwide ・Arrival Alert — Reliable notification with sound and vibration ・Adjust Approach Radius — Freely set how many meters before the station the alert sounds ・Smart GPS Monitoring Based on Distance — Power-saving mode when far from the station; precise monitoring as you get closer ・Background Operation — Continues monitoring even when the screen is off or you're using other apps ・Maps App Integration — Simply "Share" station information from your maps app to set your destination ・Available in 13 languages: Japanese, English, German, French, Spanish, Italian, Portuguese, Korean, Thai, Vietnamese, Indonesian, Simplified Chinese, Traditional Chinese ・Switch distance units (metric/imperial) ■ How to Use (3 Steps) 1. Select your destination station — Search by station name or share from your maps app 2. Set the alert radius — Use the slider to set how many meters before the station you want to be alerted 3. Tap the "Start Monitoring" button — Then you can turn off the screen and take a nap ■ Recommended for ・People who tend to oversleep during their commute to work or school ・People who frequently take long train rides for business trips or travel ・Those who use overnight or long-distance trains ・Those traveling by rail overseas ・Those worried about accidentally falling asleep at transfer stations ■ Supported Areas Supports train stations in 24 countries worldwide, including Japan (featuring over 400 stations per country). [Asia] Japan, China, South Korea, Taiwan, Thailand, Indonesia, Vietnam [Europe] Germany, France, Italy, United Kingdom, Spain, Switzerland, Austria, Netherlands, Belgium, Czech Republic, Norway [North America] United States, Canada [South America] Argentina, Brazil, Chile [Oceania] Australia ■ Required Permissions This app uses the following permissions to determine when you are approaching your destination station. ・Location Services (including background) — Required to calculate the distance to your destination station ・Notifications — Required to display alerts when you are approaching Location data is used solely for distance calculations within the device and is not sent to external servers. ■ Important Notes ・GPS accuracy depends on the surrounding environment (e.g., underground, tunnels, between buildings). Detection may be delayed in areas with poor signal reception. ・This app will not function properly on subways because GPS signals cannot be received inside the train. We recommend using this app on above-ground lines. ・Continuous use of GPS will increase battery consumption compared to normal app usage. ・Depending on train operations and the location of the train car, the alert may sound several tens of seconds before arrival at the station, rather than immediately upon arrival. ・To ensure you receive alerts reliably, please check your device's notification sound and vibration settings and disable silent mode before using the app. ■ About Ads To provide this app for free, we display ads (via a third-party ad network). In the EU, a consent form will appear upon first launch in accordance with the GDPR. ■ Privacy The location data collected is used solely for alert determination and is not sent to third parties, including the developer. Please refer to the Privacy Policy for details. Privacy Policy: https://smolt-stage.com/home/privacy/zzz-okiroyo-privacy-policy-ios-en.html
Train Radar
Visualize thousands of trains moving in real-time across Europe on a live map. Get detailed route, stop, platform, and delay information for any train. Receive alerts for platform changes or cancellations for trains you follow.
- Live train map of Europe
- Real-time train routes and stops
- Departure and arrival boards
- Train following with alerts
- Live delay information (Pro)
- Journey replay (Pro)
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Turn your iPhone into a live train radar. Train Radar shows thousands of trains moving across the map in real time — tap any one to see its route, stops, platforms and delay. A control-room view of the railway, in a calm, dark, animated design that flight-tracking fans will feel right at home in. LIVE TRAIN MAP • Thousands of passenger trains across Europe, moving live on one map • Trains glide continuously between updates — no jumping markers • Zoom from a whole network down to a single train with heading and speed • Map filters: country, operator and train type • Dark, animated "control room" design — no ads, no account needed ROUTES & STATIONS • Route line on the map: where a train has been and where it's going • Stop timeline with times and platforms for every train • Live departure and arrival boards for every station • Universal search: find any train by number or any station by name FOLLOW YOUR TRAIN • Follow a train and get an alert the moment its platform changes or it is cancelled — always free • Live Activity and Dynamic Island keep your followed train on your lock screen (Pro) TRAIN RADAR PRO • Live delay view: delay colours on the map, delay badges and live estimated times • Delay alerts and delay reasons for followed trains • Unlimited train follows (free plan follows 1 train) • Live Activity and Dynamic Island for your followed train • Journey replay: play back any train's journey • Punctuality statistics • Freight trains and rolling-stock detail (where available) Monthly and annual plans. Payment is charged to your Apple Account; subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period. Cancel anytime in Settings. HOW IT WORKS Train Radar combines official and open transit data feeds with the real geometry of the rail network. Our servers compute every train's position live and stream it to the map — snapping to real GPS positions where available. Coverage and data quality depend on the underlying feeds and can change at any time. DISCLAIMER Train Radar is provided for informational purposes only. Please do not rely on it as your sole source of information for travel decisions — always confirm times, platforms and connections with your railway operator. The developer accepts no responsibility for decisions made based on data presented in the app. Train Radar is an independent app, not affiliated with, endorsed by, or an official app of any railway company or infrastructure operator. Privacy policy: https://trainradar.co/privacy Terms of Service: https://trainradar.co/terms Download Train Radar and watch the railway come alive.
Screenshots
Verdict
The clearest difference is ads: Train Radar at none against ZZZ Wake Up!'s shown. Train Radar also leads on update cadence (every 3 days vs every 2 months). ZZZ Wake Up!'s advantage is iOS requirement (13.0 vs 18.0). On price, 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.
ZZZ Wake Up! ships an update every 2 months, Train Radar every 3 days. The most recent releases landed on October 20, 2026 and October 19, 2026 respectively.
| Parameter | ZZZ Wake Up! | Train Radar |
|---|---|---|
| Price | Free | Free |
| Positive reviews | — | 50.0% of reviews |
| Update frequency | Every 2 months | Every 3 days — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | — | Freemium |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 13.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 56 MB | 16 MB |
| Age rating | 4+ | 4+ |
| Developer | SMOLT STAGE, K.K. | Alihan Aktay |
In-app purchases
ZZZ Wake Up!
No in-app purchases
Train Radar
No in-app purchases








