Train Throttle vs Rail Model Calc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Train Throttle
Control your DCC model trains wirelessly from your Mac, iPhone, or iPad. Manage multiple engines, set turnouts, and toggle routes. A free trial offers core functionality, with a subscription unlocking advanced features.
- Wireless DCC train control
- Control multiple engines/consists
- Set turnouts and toggle routes
- Free trial with core features
- Full feature subscription
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Train Throttle is a fully featured client for the JMRI WiThrottle server, which allows you to control your DCC equipped model trains using your mac (and a compatible WiThrottle server). You can control multiple engines or consists, set turnouts, toggle routes, and more. The free trial is unlimited! However, certain features are disabled, including: * Turnout control * Route control * Roster lists * Functions 13-68 * Some Customization features The use of this app is covered by Apple's EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ This app respects your privacy: https://drewhoffman.net/trainthrottle/privacy.html
Rail Model Calc
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Overview This is a calculator app that includes calculation functions necessary when playing with railroad model. How to use After launching the app,the first screen that appears is the Home screen, which also serves as a menu. Swipe and tap the menu on the Home screen to transition to various calculation modes. You can use various calculation modes to perform calculations necessary for railway model track length and railway model production. This App offer the following calculation modes. •Home mode Home is available simple calculations. Set F1-F10 memory on this screen. •Normal mode It is a normal calculator. •Straight mode This mode calculates horizontal and vertical lengths when laying a straight rail diagonally. •Curve mode This mode calculates the vertical, horizontal, and diagonal lengths when laying a curve rail. •S-Curve mode This mode calculates the vertical, horizontal, and diagonal lengths when laying a s-curve rail. •Scale X/Y mode This mode calculates the scale. •Inch to MM mode This mode converts yards and inches to millimeters. For details on how to use it, there is a manual on "?" button. Disclaimer This calculator is for the railroad modeling hobby. The calculation results is the numerical value which be calculated by the developer. It may be different from the numerical value by model manufacturer. In particular, commercially available railroad model rails allow for dimensional errors. Therefore, the calculation results do not necessarily represent what the track layout cannot or can be done. This application is subject to change without notice. The developer assumes no responsibility for any loss or claims by third parties which may arise from the use of this application.
Screenshots
Verdict
The clearest difference is in-app purchases: Rail Model Calc at none against Train Throttle's 3. Train Throttle's advantage is ads (none vs shown) and update cadence (every 2 months vs every 14 months). 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 Throttle sells 3 in-app purchases, starting at $1.99 per year. Rail Model Calc asks for nothing beyond the download.
Train Throttle ships an update every 2 months, Rail Model Calc every 14 months. The most recent releases landed on September 10, 2026 and September 13, 2026 respectively.
| Parameter | Train Throttle | Rail Model Calc |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 2 months — better | Every 14 months |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Requires iOS | 16.1 | 15.4 — better |
| Further details — not scored | ||
| Size | 6 MB | 13 MB |
| Age rating | 4+ | 4+ |
| Developer | Drew Hoffman | Nobuyuki Kumakura |
In-app purchases
Train Throttle
- Subscribe$1.991 Year
- Tip a Coffee$3.99
- Purchase$12.99
Rail Model Calc
No in-app purchases







