Maturityline: Concrete

Robert Corbin · Productivity

$2.99

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What changed · US

Listing changes AppTracker has observed for this app in this storefront — new versions, price moves, rating shifts, and store copy.

Sep 5, 2026
Price change Free → 2.99 USD
Sep 3, 2026
Price change 4.99 USD → Free

Price & rating history · US

Reconstructed from the listing changes AppTracker has observed in this storefront. A field is charted once it has changed more than once, and each line starts at the value it moved from.

Price history in USD over the observed period. Free 2 4 Sep 1 Sep 12 Sep 23 Oct 4 Oct 16

Price · 2.99 USD now · 2 changes on record

About

Maturityline: Concrete is an on-device concrete workbench for time-temperature factor, equivalent-age, and maturity-strength estimates across pours and curing scenarios. KEY FEATURES - Nurse-Saul maturity integration - Arrhenius equivalent-age estimate - Timestamped concrete temperature history - Datum, reference-temperature, and activation controls - Strength-target context kept separate from calculation - Editable sensor records plus CSV import - Pour scenario comparison - Local PDF analysis packet - Forty original offline concrete reference plates ONE-TIME AND PRIVATE - One paid download; no subscription or in-app purchase - No account, advertising, analytics, tracking, or developer-operated backend - Core tools and bundled reference material work offline - Work remains on device unless you deliberately import, share, or export through an Apple system interface Maturity estimates do not replace project calibration, test specimens, engineer approval, or required acceptance testing.

Details

DeveloperRobert Corbin
ReleasedJul 2026
UpdatedJul 2026
Version1.0
Size83.9 MB
RequiresiOS 17.0 or later
Age rating4+
Price$2.99
Categories ProductivityUtilities
Bundle IDcom.realbobcorbin.Maturityline