Comparison

Rapid_Mobile vs GridLine Build NYC

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

Head to head
About

Rapid_Mobile

Access your security account base directly from your iOS device. View signal history, contact information, panel details, and make account updates. Manage no-actions, passcodes, schedules, and review answering service messages.

Highlights
  • View signal history
  • Access contact information
  • Manage panel details
  • Update account data
  • Enter advanced no-actions
  • Review answering service messages
Features
Read full description

The second generation of Rapid Response's iOS app is here! Customers of Rapid Response Monitoring can access their security account base directly from the iPhone, iPad, or iTouch with RapidMobile. View all of your account information including signal history, contacts, panel info, zoning, no-actions, passcodes, schedules and account changes. Update data, enter advanced no-actions, view your answering service messages and more!

About

GridLine Build NYC

This app consolidates construction project management, offering 3D model visualization, material takeoff, crew management, and daily logging. It streamlines site records, safety documentation, and communication for construction professionals.

Highlights
  • 3D model visualization
  • Material takeoff and quantity calculation
  • Crew management and safety logging
  • Daily log and photo documentation
  • Project access for collaborators
  • NYC-specific construction tools
Read full description

GridLine Build NYC puts a construction project's plans, takeoff, crew and site record in one app on iPhone and iPad. 3D TAKEOFF * See the whole building in 3D, from cellar to roof * Pull the floors apart, or cut the model at any floor to see every apartment * Open any wall type's assembly and pull it apart layer by layer: brick, block, rebar, insulation, studs and board * Tap a layer for its thickness, where it goes in the build order, and the materials it takes PLANS, MEASURED * Every wall, door and item on the sheet, taken off and counted * Tap an apartment to light it up on the plan with its floor area, wall length and doors * Switch floors, turn the plan, and measure right on the sheet MATERIAL LIST * Every material for a floor or the whole building, with quantities and waste allowance * See which walls and items use each material, and show them on the plan or in the model * Select materials to order straight from the list SST CREW AND SAFETY * Tap a worker's SST card on iPhone to log them in and out, or choose them from the list * Each worker's card number, card status, company and hours, on file * Safety orientation on the spot: the worker initials each section and signs, and the PDF is filed * The site safety plan as a checklist of tasks by phase and floor DAILY LOGS AND PHOTOS * Build the daily log from the day's crew, activities and safety notes, sign it and export a PDF * Export pre-shift logs and safety orientations as PDFs, and share them with owners, consultants and inspectors * Site photos filed by day, with notes, tags and share links ASK THE PLANS * Ask a question about the project and get an answer with its sources from the drawings PROJECT ACCESS * Invite outside collaborators to one project without adding them to your organization * Give each person the role they need: Owner, Competent Person, Worker or Project Professional * Keep invite, edit and sign-off permissions controlled NYC TOOLS * City Lookup, NYC DOB monitoring and OATH violations for your buildings * Scan receipts and invoices, with the vendor, amount and date read for you Built for general contractors, developers, superintendents, site safety managers, owners and the architects, engineers and consultants who work with them.

Screenshots

Rapid_Mobile4 screens
GridLine Build NYC4 screens

Verdict

The call

The clearest difference is rating: GridLine Build NYC at 5.0 against Rapid_Mobile's 3.2. GridLine Build NYC also leads on update cadence (every 3 days vs every 3 months). Rapid_Mobile's advantage is ratings volume (30 vs 2) and iOS requirement (12.0 vs 16.6). On price, ads, in-app purchases and monetization model 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

GridLine Build NYC holds the better App Store score, 5.0 against 3.2. That said, the two scores are not equally well evidenced: Rapid_Mobile has 30 ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

Rapid_Mobile ships an update every 3 months, GridLine Build NYC every 3 days. The most recent releases landed on November 1, 2026 and November 8, 2026 respectively.

Scorecard4 real differences · 6 level
Rapid_Mobile versus GridLine Build NYC: the parameters behind the verdict, then further details
ParameterRapid_MobileGridLine Build NYC
PriceFreeFree
Rating3.2 (30 ratings)5.0 (2 ratings) — better
Positive reviews45.5% of reviews—
Number of ratings30 — better2
Update frequencyEvery 3 monthsEvery 3 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better16.6
Further details — not scored
Size63 MB59 MB
Age rating4+4+
DeveloperRapid Response Monitoring, Inc.GridLine Technologies LLC

Customer experience

Rapid_Mobile

All ratings30 ratings
Positive50.0%
Neutral13.3%
Negative36.7%
Written reviews22 reviews
Positive45.5%
Neutral18.2%
Negative36.4%

GridLine Build NYC

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Rapid_Mobile

No in-app purchases

None

GridLine Build NYC

No in-app purchases

Questions

Is Rapid_Mobile free?
Rapid_Mobile is free to download, with no in-app purchases.
Is GridLine Build NYC free?
GridLine Build NYC is free to download, with no in-app purchases.
Which has better reviews, Rapid_Mobile or GridLine Build NYC?
GridLine Build NYC is rated higher. Rapid_Mobile averages 3.2 out of 5 from 30 ratings, while GridLine Build NYC averages 5.0 from 2 ratings.
Do Rapid_Mobile or GridLine Build NYC have ads?
Neither Rapid_Mobile nor GridLine Build NYC shows ads.
Which is updated more often, Rapid_Mobile or GridLine Build NYC?
Rapid_Mobile ships an update every 3 months, and GridLine Build NYC every 3 days. Most recently, Rapid_Mobile was updated on November 1, 2026 and GridLine Build NYC on November 8, 2026.

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