# FrackCalc — FrackCalc > Hydraulic fracturing calculation tool for oilfield professionals. (iPhone/iPad app by Moosaa Young.) - Source: https://appshunter.io/ios/app/frackcalc/id1574572398 (this page in markdown: same URL + `.md`) - Developer: [Moosaa Young](https://appshunter.io/developer/1574572400) - Category: Utilities, Education - Price: $9.99 - Rating: 5.00/5 from 1 App Store ratings · 7 written reviews indexed - Age rating: 4+ - Requires: iOS 16.0 · 13 MB - Languages: American English - Released: 2021-07-03 - Data updated: 2026-08-24 - Monetization: paid - User reviews in markdown: https://appshunter.io/ios/app/frackcalc/id1574572398/reviews.md ## What is FrackCalc? FracCalc is an all-in-one oilfield calculator engineered by Moosaa Young specifically for hydraulic fracturing operations. Perform essential oilfield calculations and track your stage bonuses on the fly directly from your phone — no internet connection or manual equation lookups required! Key Features & Calculators: • Stage Bonus & Salary Calculator: Log daily pumped stages, customize stage rate schedule templates (1 to 40 stages), calculate total bonus and salary earnings with multi-currency support, share/import schedules via AirDrop or file picker, and track multi-year earnings history. • Brine & Acid-Brine Calculator: Calculate Specific Gravity (SG), solution density (ppg), final bbl volume, and dry salt requirements (lbs/bbl) for KCl, CaCl2, CaBr2, and NaCl brines with built-in solubility limits and interactive reference tables. • Frac Pump Simulator: Simulate Caterpillar and Allison transmission curve outputs to view exact pump rates in high-visibility BPM with live lockup status and pressure safety limits. • Chemical & Fluid Rates: Rapidly determine chemical injection rates and fluid clean rates during operations. • Screenout & Proppant Height: Calculate exact proppant volume and settled height post-screenout, giving Coiled Tubing teams precise estimates of where tool tag is expected. • Auger RPM Calculator: User-friendly sliders and steppers help you dial in exact auger speeds while pumping, eliminating target undershoot or overshoot. • Hydrostatic & Slurry Pressure: Calculate proppant-laden slurry hydrostatic pressure in the wellbore to forecast surface pressure drops as proppant concentration increases. • Oilfield Unit Converter: Quick conversion utility for all standard oilfield engineering units. • Modern Dark-Mode & Edge Swipe Navigation: Enjoy a sleek, dark-mode friendly card interface with fluid edge-swipe navigation designed for fast field use. Designed by field engineers for field engineers — put fast, reliable frac calculations, instant AirDrop template sharing, and stage bonus tracking right in your pocket! ## Key features - Hydraulic fracturing calculations - Proppant amount and height determination - RPM calculator for pumping speeds - Hydrostatic calculator for proppant-laden slurry - Oilfield unit converter - Pump rate calculation based on transmission curves ## Chart rankings - #196 in Top Paid · Utilities (US App Store) ## Recent user reviews (7 of 7) All indexed reviews: https://appshunter.io/ios/app/frackcalc/id1574572398/reviews.md ### 5/5 — Very Goooooood 👍👍 *2022-04-24, version 1.1* Very Good & Easy to use for beginners Thank you brother 😍😍😍 ### 5/5 — Nice 👍🏻 *2021-11-14, version 1.1* Very simple app to use yet very beneficial ### 5/5 — Straightforward and easy to use *2021-07-20, version 1.1* Very easy to use and much needed apps! Really recommended! ### 5/5 — Good app *2021-07-06, version 1.1* 👍🏻 nice ### 5/5 — Very useful & practical apps *2021-07-04, version 1.1* Good one. No need to open calculator from google👍🏿👍🏿👍🏿 ### 5/5 — Very Useful and Practical Apps !!! *2021-07-04, version 1.1* Finally I found an app that it actually practical to be used in the field. It takes into account slurry density and proppant concentrations. Very convenient. ### 5/5 — Very beneficial app *2021-07-03, version 1.0* Very user friendly app. All what I need for frac calculation is nicely presented and easy to use ## Frequently asked questions about FrackCalc ### What is FrackCalc used for? FrackCalc is designed for hydraulic fracturing calculations commonly performed in the oilfield. It helps users determine parameters like chemical rates, fluid clean-up, proppant amounts, and pump speeds directly from their mobile phone. ### What types of calculations does FrackCalc offer? FrackCalc includes calculators for chemical rates, fluid clean-up, proppant amount and height, RPM for pumping, hydrostatic pressure of proppant-laden slurry, and pump rates based on transmission curves. It also features a unit converter for oilfield units. ### How much does FrackCalc cost? FrackCalc is a paid application, available for $9.99. This one-time purchase grants access to all its calculation features. ### Is FrackCalc available on Android devices? Based on the provided data, FrackCalc is supported on iPhone and iPad. Information regarding Android compatibility is not specified. ### How often is FrackCalc updated? The latest version of FrackCalc is 1.9, and it was last updated on September 17, 2023. This suggests regular updates to maintain functionality and potentially add new features. ### What is the age rating for FrackCalc? FrackCalc has an age rating of 4+, making it suitable for a wide range of users. This indicates that the content is generally considered appropriate for young children. ### Does FrackCalc have ads? No, FrackCalc does not contain advertisements. The application is ad-free, providing an uninterrupted user experience. ### What is the user feedback on FrackCalc? FrackCalc has received a perfect rating of 5.0 stars from 1 review. This indicates a highly positive initial reception from its users. ## Version history (last 5 releases) ### 3.0 — 2026-08-11 Live Frac Pump Simulators (it even detects hardshifts!), Brine and Acid calculator, Stage Bonus & Salary Calculator (to track your daily bonus), Frac equations on demand and even a handy interface all type of chem & slurry rates! ### 2.0 — 2026-08-10 Stage Bonus & Salary Calculator: Log daily pumped stages, customize stage rate schedule templates (1 to 40 stages), calculate total bonus earnings, share/import schedules with colleagues, and track multi-year earnings history. ### 1.9 — 2023-09-17 Updated to include some minor aesthetic changes. New features include calculation of slurry density at different prop cons etc. Also added is the ability to determine frac pump rate with different types of transmissions such as Allison and Caterpillar at varying Engine throttle and plunger diameter. Basic Oilfield unit converter also has been added. ### 1.8 — 2023-09-10 Slurry density calculation added into this version. ### 1.7 — 2023-03-26 Added pump curve calculator to calculate pump rates at varying engine rpms and gear selection for the commonly used Caterpillar and Allison transmissions on frac pumps. Also added temperature conversion in the unit converter section. ## Apps similar to FrackCalc | App | Rating | Price | Category | | --- | --- | --- | --- | | [FracAppz App](https://appshunter.io/ios/app/fracappz-app/id959223557) | 5.0 (4) | Free | Utilities | | [Oilfield Calculator Pro](https://appshunter.io/ios/app/oilfield-calculator-pro/id1573285689) | — | $9.99 | Utilities | | [Centrifugal Pump Spec](https://appshunter.io/ios/app/centrifugal-pump-spec/id482488028) | — | $5.99 | Utilities | | [PetroFrac](https://appshunter.io/ios/app/petrofrac/id954888337) | 5.0 (3) | $1.99 | Utilities | | [Solaris Optics](https://appshunter.io/ios/app/solaris-optics/id1580420859) | 3.3 (6) | Free | Utilities | | [Tank Volume & Capacity](https://appshunter.io/ios/app/tank-volume-and-capacity/id1358245539) | 1.3 (6) | Free | Utilities | ## Related topics [slurry](https://appshunter.io/ios/topics/slurry) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-24.*