Comparison

Clamshell vs Rail Roster

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Monitor Mac lid states
  • Track system statuses (Awake, Sleep, etc.)
  • Remote monitoring from iPhone/iPad
  • iCloud synchronization
  • Supports Mac desktops
Read full description

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!

About

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.

Highlights
  • 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
Features
Read full description

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

Clamshell2 screens
Rail Roster4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

Clamshell ships an update every 6 weeks, Rail Roster weekly. The most recent releases landed on October 8, 2026 and October 7, 2026 respectively.

Scorecard4 real differences · 6 level
Clamshell versus Rail Roster: the parameters behind the verdict, then further details
ParameterClamshellRail Roster
PriceFreeFree
Rating5.0 (1 ratings)5.0 (1 ratings)
Positive reviews80.0% of reviews—
Number of ratings11
Update frequencyEvery 6 weeksWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPad, MaciPhone, iPad, Mac
Requires iOS18.4 — better26.0
Further details — not scored
Size8 MB128 MB
Age rating4++4
DeveloperAlexander KovrazhkinRobotic Snail Software LLC

Customer experience

Clamshell

Written reviews5 reviews
Positive80.0%
Neutral0.0%
Negative20.0%

Rail Roster

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Clamshell

No in-app purchases

5 purchases

Rail Roster

Subscriptions1
  • Premium - Yearly1 Month trial$4.991 Year
One-time4
  • Small Tip$0.99
  • Medium Tip$2.99
  • Large Tip$4.99
Show 1 more
  • Premium - Lifetime$19.99

Questions

Is Clamshell free?
Clamshell is free to download, with no in-app purchases.
Is Rail Roster free?
Rail Roster is free to download, with in-app purchases available.
Which has better reviews, Clamshell or Rail Roster?
Clamshell and Rail Roster are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.
Do Clamshell or Rail Roster have ads?
Neither Clamshell nor Rail Roster shows ads.
Which is updated more often, Clamshell or Rail Roster?
Clamshell ships an update every 6 weeks, and Rail Roster weekly. Most recently, Clamshell was updated on October 8, 2026 and Rail Roster on October 7, 2026.

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