Clamshell vs Rail Roster
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Clamshell
Monitor the status of all your Macs from your iPhone or iPad. This app allows you to track lid and system states remotely, ensuring you're always informed about your devices. It utilizes iCloud for secure data synchronization without third-party servers.
- Monitor Mac lid states
- Track system statuses (Awake, Sleep, etc.)
- Remote monitoring from iPhone/iPad
- iCloud synchronization
- Supports Mac desktops
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Clamshell goes to iPhone and iPad! This is an iOS version of the Clamshell app. It provides monitoring states of all your Macs from your iPhones and iPads that are signed in to the same iCloud account. Clamshell now supports sharing the laptop lid statuses and system statuses (Awake, Sleeping, Logging out, Restarting, Shutting down, Restarted, Shut Down, User Logged Out, App Terminated). More statuses will come in the year. No data is shared with third-party providers. Clamshell is not using any external servers but only Apple's iCloud servers. You're in full control of your data! Note for users of iMac, Mac mini, Mac Studio, and Mac Pro: Clamshell is useful for you finally! Use it to monitor statuses of your Mac desktops remotely from iPhone/iPad. Yay!
Rail Roster
Manage and catalog your model train collection with detailed records for trains, accessories, and consists. Track specifications, purchase history, and operational details, with powerful search and filtering tools. Visualize your collection's growth and value with insightful dashboards and charts.
- Catalog trains, accessories, and consists
- Detailed model and prototype specifications
- Track electronics, operation, and maintenance
- Purchase history and value tracking
- Photo support with galleries
- Consist building and analysis tools
- Collection insights and charts
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Rail Roster helps model railroad hobbyists catalog trains, accessories, and consists with rich details, photos, and collection insights. Keep your entire roster in one place. Track model specs, electronics, condition, pricing, prototype info, and notes, then quickly find items with powerful search, sorting, and filters. Key Features • Track trains, accessories, and consists in one collection • Rich train records: category, locomotive type, road name/number, model number, livery, scale, era, coupler type, and notes • Prototype reference fields: builder, operator, dates, wheel arrangement, gauge, speed, horsepower, tractive effort, and more • Electronics and operation tracking: DCC, decoder/address, sound, lights, smoke, dummy units, and maintenance flags • NMRA weight guidance with compliance targets and status • Purchase tracking: date, location, price paid, and MSRP • Photo support across trains, accessories, and consists with thumbnail strips plus full-screen, swipeable, zoomable galleries • Consist tools: member ordering/roles/direction, readiness score, coupler consistency, DCC/DC mix, NMRA compliance, and aggregate stats (length, weight, paid value, MSRP) • Collection Info dashboard: inventory totals and value summary, plus premium charts for category, scale, era, locomotive type, DCC vs DC, NMRA compliance, and collection growth • Fast search, sort, and filter chips (category, scale, era, manufacturer, purchase location, coupler type, locomotive type, DCC, dummy, NMRA, and photo status) • iCloud sync diagnostics with account status, last sync/check timestamps, and detailed sync error history • Preferences and personalization: default scale and alternate app icons Rail Roster is built for collectors who want a clean, visual, data-rich way to manage and grow their model railroad fleet. Premium unlocks unlimited inventory/photos, advanced charts, and all custom app icons. Privacy Policy: https://www.roboticsnailsoftware.com/work/railroster/privacy-policy Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: Clamshell at none against Rail Roster's 5. Clamshell also leads on iOS requirement (18.4 vs 26.0). Rail Roster's advantage is update cadence (weekly vs every 6 weeks). On price, rating, ratings volume and ads 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. Rail Roster sells 5 in-app purchases, starting at $4.99 per year. Clamshell asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for Clamshell against 5.0 for Rail Roster. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
Clamshell ships an update every 6 weeks, Rail Roster weekly. The most recent releases landed on October 8, 2026 and October 7, 2026 respectively.
| Parameter | Clamshell | Rail Roster |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (1 ratings) |
| Positive reviews | 80.0% of reviews | — |
| Number of ratings | 1 | 1 |
| Update frequency | Every 6 weeks | Weekly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Freemium |
| Devices | iPhone, iPad, Mac | iPhone, iPad, Mac |
| Requires iOS | 18.4 — better | 26.0 |
| Further details — not scored | ||
| Size | 8 MB | 128 MB |
| Age rating | 4+ | +4 |
| Developer | Alexander Kovrazhkin | Robotic Snail Software LLC |
Customer experience
Clamshell
Rail Roster
In-app purchases
Clamshell
No in-app purchases
Rail Roster
- Premium - Yearly1 Month trial$4.991 Year
- Small Tip$0.99
- Medium Tip$2.99
- Large Tip$4.99
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- Premium - Lifetime$19.99









