--- title: "Pond: Koi Chemistry - Reviews, Revenue and Downloads in Canada | Apple App Store" description: "Free to download. Every Pro feature is free for 48 hours, then a single one-time unlock — no subscription, no ads, no account. Works offline. Pond is the iOS koi pond chemistry assistant. Enter your " --- # Pond: Koi Chemistry — Canada > Ammonia, nitrite, KH & salt ![Pond App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/e1/20/b8/e120b8b1-739f-776a-9285-5083858a8494/AppIcon-0-0-1x_U007epad-0-1-85-220.png/434x0w.png) **Developer:** [Roman Kopaliani](https://apptail.io/developer/roman-kopaliani-BOrHlc) **Category:** Utilities **Rating:** N/A (0 ratings) **Price:** Free **Bundle ID:** com.kopaliani.Pond **Store:** Apple App Store **Country:** Canada **Version:** 1.7 (released 2026-10-09) **Original Release:** 2026-06-11 **Languages:** Italian, Chinese, French, Japanese, English, Spanish, German **App Store Link:** [Download on Apple App Store](https://apps.apple.com/ca/app/app/id6777459595) **AppTail Page:** [https://apptail.io/app/pond-koi-chemistry-gCFA/canada](https://apptail.io/app/pond-koi-chemistry-gCFA/canada) ## Pond Description Free to download. Every Pro feature is free for 48 hours, then a single one-time unlock — no subscription, no ads, no account. Works offline. Pond is the iOS koi pond chemistry assistant. Enter your test readings — pH, ammonia, nitrite, nitrate, KH, temperature — and get exact doses scaled to your pond volume. Brand-aware: pick the products on your shelf and Pond does the math. Features • Brand-aware dose math for Microbe-Lift, API Pondcare, Tetra Pond, and generics • Test & Adjust: 6-parameter readings → brand-cited recommendations + plain-English advisories • EPA free-ammonia equilibrium math (NH₃ from total ammonia, pH, temperature) • KH crash warnings before pH collapses overnight • Salt Bath calculator with 0.1% stress and 0.3% parasite targets • Plant-safety warnings — flags when salt protocols would kill water lilies, lotus, and submerged plants • Pond Volume estimator from length × width × average depth (rectangular or round) • Seasonal hints — spring ammonia spikes, summer DO drops, fall leaf load, winter dormancy • Locale-aware metric/imperial units (liters or gallons) • Named-source citations: Pond Informer, Microbe-Lift, EPA, Play It Koi, Central California Koi Society • Universal app for iPhone and iPad For koi keepers who want exact doses from the products they already have. Backyard ponds 500–3,000 gallons / 2,000–10,000 liters. No subscription, no ads, no account, no cloud. Free to download, with a one-time unlock for Pro. No subscription, no ads, no account, no cloud. Privacy: Pond collects nothing. No analytics, no accounts, no network requests. Your settings live on your device. ## Pond Screenshots - [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/20/cc/a1/20cca16b-4af5-c681-0cc5-ae0ebe3892ad/01-onboarding.png/1320x2868.png) - [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/2c/3f/eb/2c3feb32-c648-6a1d-cd4c-2e387ddadc39/02-main.png/1320x2868.png) - [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/7b/81/87/7b8187cf-ecb2-35cd-1d77-0de162f310bc/03-test-readings.png/1320x2868.png) - [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/7f/01/56/7f01566c-5a6e-abcd-9ab2-9b3bc60b0d42/04-recommendations.png/1320x2868.png) - [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/76/79/5e/76795eb6-6dcb-ea89-5b49-c83d1ddd1d8e/05-salt-bath.png/1320x2868.png) ## Pond In-App Purchases | Item | Price | |------|-------| | Pond Pro (lifetime) | $4.99 | ## Apps Similar to Pond - [Lionel LionChief](https://apptail.io/app/lionel-lionchief-sjk/canada) - [Defender Guard](https://apptail.io/app/defender-guard-oos/canada) - [JD Memory](https://apptail.io/app/jd-memory-Blw/canada) - [VirtualShield](https://apptail.io/app/virtualshield-KWQ/canada) - [iBrary Link](https://apptail.io/app/ibrary-link-nxX/canada) - [Carro Home](https://apptail.io/app/carro-home-OUNb/canada) - [BL,LLC](https://apptail.io/app/blllc-KTZl/canada) - [Bethlehem Lts](https://apptail.io/app/bethlehem-lts-xvbu/canada) - [Defender ClearVu](https://apptail.io/app/defender-clearvu-KCJw/canada) - [Simple Decision Maker](https://apptail.io/app/simple-decision-maker-uFcy/canada) ## Pond Available In - [Canada](https://apptail.io/app/pond-koi-chemistry-gCFA/canada) - [Cyprus](https://apptail.io/app/pond-koi-chemistry-gCFA/cyprus) - [Germany](https://apptail.io/app/pond-koi-chemistry-gCFA/germany) - [Italy](https://apptail.io/app/pond-koi-chemistry-gCFA/italy) - [Japan](https://apptail.io/app/pond-koi-chemistry-gCFA/japan) - [Peru](https://apptail.io/app/pond-koi-chemistry-gCFA/peru) - [Slovenia](https://apptail.io/app/pond-koi-chemistry-gCFA/slovenia) - [United States](https://apptail.io/app/pond-koi-chemistry-gCFA/united-states) --- ## About AppTail [AppTail](https://apptail.io) is a mobile app intelligence platform providing app analytics, ASO (App Store Optimization) tools, keyword tracking, competitor analysis, revenue estimates, and review monitoring for iOS App Store apps. Track your app's performance, discover ranking keywords, monitor competitors, and analyze market trends. - [Search Apps](https://apptail.io) - [Top Charts](https://apptail.io/top-iphone-apps) - [Sign Up for Full Access](https://app.apptail.io/signup?utm_campaign=ai-crawl&utm_content=footer) *Data provided by [AppTail](https://apptail.io) - Mobile App Intelligence Platform*