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Rebar Grid Calculator vs its rivals

Side-by-side comparison against Rebar Grid Calculator's closest competitors — identity, store metrics, ratings & sentiment, and strategic intel.

Rebar Grid Calculator
This App
Rebar Calc
Nemesis
Material Estimator Calculator
Contender
Calculator #
Peer
BuildCalc
Peer
Core Identity
DeveloperH3 Apps, LLCAppco LLC (USA)Calculated IndustriesIncpt.Mobis42nd Parallel
CategoryBusinessUtilitiesUtilitiesUtilitiesUtilities
PlatformiOSiOSiOS, AndroidiOS, AndroidAndroid, iOS
Store Metrics
Rating4.7 / 54.9 / 54.8 / 54.6 / 54.7 / 5
Ratings Count135992,97435,62268
PriceUSD1.99FreeFreeFree$24.99
Release DateFeb 27, 2021Jul 23, 2016Jun 15, 2010Aug 31, 2011Oct 14, 2009
Last UpdatedFeb 27, 2021Feb 18, 2026Jan 31, 2026Mar 12, 2026Mar 29, 2026
Sentiment & Reviews
Sentiment-positive-negativeexcellent
Score-90/100-35/10085/100
Praises---
  • Simple and accurate calculation logic provides reliable utility for everyday math tasks
  • Advanced stair and baluster layout functions save significant time for professional carpenters on job sites
  • Responsive customer support provides rapid solutions to technical issues for long-term professional users
Complaints---
  • Aggressive full-screen advertisements interrupt core functionality and degrade the user experience
  • Input field logic automatically erases user values when calculating irregular hip roof dimensions
  • Lack of a dedicated refresh button forces manual workarounds to clear calculation fields
Requests---
  • Integration of unit and currency conversion tools to match stock calculator capabilities
  • Haptic feedback integration for button presses to improve tactile confirmation in field environments
Strategic Intel
Strengths
  • Unified calculation flow supports imperial and metric units in one interface.
  • Result sharing via text or email integrates into professional project workflows.
  • High user trust evidenced by 599 ratings
  • Broad material support including sheet and roll mesh
-
  • Mathematical display engine functions as a brand moat by increasing academic switching costs
  • History tape retention loop reduces friction for repetitive multi-step calculations
  • Specialized stair-layout engine functions as a B2B distribution moat for professional documentation
  • High-touch developer support drives retention among long-term professional tradespeople
  • Interactive calculation logic reduces field errors compared to legacy hardware calculators
Weaknesses
  • No updates since Feb 2021 creates professional reliability concerns.
  • Single-purpose utility lacks the formula depth of suite-based competitors.
  • No cloud-sync for project data
  • Manual quote request process lacks automated vendor response
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  • Aggressive full-screen ad frequency drives high churn among core utility users
  • Recent UI regressions removed essential quick-answer displays, alienating long-term power users
  • Manual field-clearing workflow creates UI friction for high-frequency users
  • Input logic overwriting custom values during roof calculations disrupts professional workflows
  • Android version lacks feature parity with the iOS build
Pricingpaidfreesubscriptionfreemiumpaid
Momentum-ZombieActiveMaintenanceIntense
Update Cadence-1 versions5 versions5 versions, 5 majors/6mo, ~144d avg5 versions

Compare Rebar Grid Calculator head-to-head

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AI-powered analysis with editorial review, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by Rebar Grid Calculator, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

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