Utopi vs TrainKeeper
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Utopi
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With Utopi you can understand the effect your living environment has on the global environment. Track the temperature of your room, how much electricity your apartment is using, and see the impact heating and cooling has on your energy use. You can also complete challenges to win entries into prize draws and discover tips on how to reduce your impact on the environment, without compromising on comfort or the activities you enjoy. Most of our users first hear of Utopi through their building operator. If you haven’t heard of Utopi, please contact your building manager in the first instance to learn if your rental accommodation uses Utopi.
TrainKeeper
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TrainKeeper is the easiest way to identify and log trains in the real world. Just point your iPhone at a train number: the app reads the UIC / NVR code using on-device intelligence, breaks it into vehicle type, country, series, ordinal number and check digit — and helps you understand what you’re looking at: locomotive type, operator, and more. Whether you’re a railfan, a spotter, or you simply like knowing “what train is this?”, TrainKeeper gives you instant answers and a private logbook of everything you’ve seen. Scan and recognize • Scan a UIC / vehicle number directly with the camera • Works with photos too • Automatic parsing of vehicle type, country code, series, ordinal and check digit • Check-digit validation to verify if a number is correct • Smart OCR variants to improve recognition even on difficult photos Identify the train • Learn the operator and country of registration • Recognize the class or model (e.g. Siemens Vectron, ICE 4, Talent 2, …) • Understand the type of vehicle (locomotive, EMU, high-speed unit, maintenance vehicle, etc.) Save your sightings • Keep every sighting with photo, date and location • Automatically extracts GPS data from your photos when available • Build your personal train library with detailed entries • View and search past sightings in a clean, fast list Know the context • See the exact location on a map • NEW: TrainKeeper now detects the nearest railway line or route and adds it to your entry • Remember special catches, rare routes and travel moments Fix and confirm details • If OCR misses something, adjust every field easily before saving • Helpful guidance when parts of the number are incomplete or invalid • Manual entry supported for handwritten or hard-to-read codes Share your sightings • Share beautiful information cards with photo, train data and location • Optional 9:16 “story format” — perfect for Instagram stories • Optional app logo and timestamp Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: Utopi at none against TrainKeeper's 2. Utopi also leads on iOS requirement (13.4 vs 26.0). 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. TrainKeeper sells 2 in-app purchases, starting at $1.99 per month. Utopi asks for nothing beyond the download.
| Parameter | Utopi | TrainKeeper |
|---|---|---|
| Price | Free | Free |
| Update frequency | — | Every 3 weeks |
| Ads | — | No |
| In-app purchases | No — better | Yes |
| Devices | — | iPhone — better |
| Requires iOS | 13.4 — better | 26.0 |
| Further details — not scored | ||
| Size | 36 MB | 60 MB |
| Age rating | 4+ | 4+ |
| Developer | Utopi Ltd | Clemens Oberschmied |
In-app purchases
Utopi
No in-app purchases
TrainKeeper
- TrainKeeper Plus - Monatlich$1.991 Month
- TrainKeeper Plus - Jährlich$12.991 Year









