Reefstoich: Reef Chemistry

Robert Corbin · Utilities

$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 3.99 USD → Free

Price & rating history · US

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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

Reefstoich: Reef Chemistry is a local reef-chemistry bench for alkalinity, calcium, magnesium, salinity, and dosing-plan calculations with transparent units. KEY FEATURES - User-defined product-effect dosing math - Alkalinity target and staged-correction plan - Actual water-volume control - Daily consumption and maintenance estimate - Test-history records beside every plan - Editable observations plus CSV import - Conservative scenario comparison - Local PDF analysis packet - Forty original offline reef-chemistry 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 Test water with reliable methods and make gradual changes. Calculations do not replace product instructions, livestock observation, or experienced aquarium guidance.

Details

DeveloperRobert Corbin
ReleasedJul 2026
UpdatedJul 2026
Version1.0
Size81.4 MB
RequiresiOS 17.0 or later
Age rating4+
Price$2.99
Categories UtilitiesLifestyle
Bundle IDcom.realbobcorbin.Reefstoich