Jeff 2.0 vs Rail World!
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Jeff 2.0
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With Jeff 2.0 you get the possibility to receive telemetry data from the current F1 game. You can see the weather forecast for the current weekend much more accurately than in the game itself. You can also view information about the times, battery status and reference status of your competitors in the ranking list. The live dashboard displays all data in a large and clear format so that you can keep an overview in the cockpit even during the session This App is unofficial and is not associated in any way with the Formula 1 companies. F1, FORMULA ONE, FORMULA 1, FIA FORMULA ONE WORLD CHAMPIONSHIP, GRAND PRIX and related marks are trade marks of Formula One Licensing B.V.
Rail World!
Experience Japanese railways from multiple perspectives. Drive trains as the engineer, observe them like a miniature diorama, or enjoy the scenery as a passenger. This game offers diverse ways to engage with a virtual train world.
- Drive trains as engineer
- Diorama view
- Passenger view
- Explore 20km routes
- Future route/vehicle additions
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Drive the train as a driver. Look at the train like a diorama. Look out the train window as a passenger. This is a game that can be enjoyed in many different ways. Currently, you can drive within a 20km area. More routes and vehicles will be added in the future. Look forward to it!
Screenshots
Verdict
The clearest difference is price: Rail World! at Free against Jeff 2.0's $3.99. Jeff 2.0's advantage is in-app purchases (none vs 1) and ads (none vs shown). On update cadence 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
Rail World! is free to download; Jeff 2.0 costs $3.99 up front. Rail World! sells 1 one-off in-app purchase. Jeff 2.0 asks for nothing beyond the download.
Jeff 2.0 ships an update every 3 weeks, Rail World! fortnightly. The most recent releases landed on October 22, 2026 and October 21, 2026 respectively.
| Parameter | Jeff 2.0 | Rail World! |
|---|---|---|
| Price | $3.99 | Free — better |
| Rating | — | 4.9 (11 ratings) — better |
| Positive reviews | — | 90.1% of reviews |
| Number of ratings | — | 11 — better |
| Update frequency | Every 3 weeks | Fortnightly — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 19 MB | 529 MB |
| Age rating | 4+ | 4+ |
| Developer | Lukas Sontheim | Katsuya Maezono |
In-app purchases
Jeff 2.0
No in-app purchases
Rail World!
- 早朝、夕方シナリオ$2.99
Questions
Is Jeff 2.0 free?
Is Rail World! free?
Do Jeff 2.0 or Rail World! have ads?
Which is updated more often, Jeff 2.0 or Rail World!?
Other comparisons
