# FracAppz App > Oilfield calculations and data for professionals. (iPhone/iPad app by FracAppz Studios, LLC.) - Source: https://appshunter.io/ios/app/fracappz-app/id959223557 (this page in markdown: same URL + `.md`) - Developer: [FracAppz Studios, LLC](https://appshunter.io/developer/959223556) - Category: Utilities, Productivity - Price: Free - Rating: 5.00/5 from 4 App Store ratings · 7 written reviews indexed - Age rating: 4+ - Requires: iOS 18.6 · 6 MB - Languages: American English - Released: 2015-02-05 - Data updated: 2026-06-09 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/fracappz-app/id959223557/reviews.md ## What is FracAppz App? FracAppz App is offered by FracAppz Studios, LLC, a Texas registered company, as a free download from the AppStore . The app is designed and designated to fellow oilfield professionals, Completions Consultants, Engineers, Service Supervisors, Equipment Operators..etc The app contains two libraries: o Tubular dimensions and strengths library for API Casing and API Tubing mechanical properties for sizes of 2 3/8 to 7 inches OD. Email or text results to a colleague or coworker. o Frac proppant library for industry well-known proppant suppliers with reliable product bulletins. Preview, email or print technical product bulletins for all proppant on the library. The app also contains multiple calculators for day to day field calculations such as, o Hydrostatic pressure o Proppant concentration o Blender screw RPM o Slurry density o Flush volume o Annular volume capacity (Tubular and Tubular or Hole and Tubular) o Screen-out calculations. o Fracture Gradient o Acid Mixing One of the greatest features of this app is the customizable strap chart, which can be used for frac tank, chemical tote, chemical transport straps or any other fluid storage unit with a strap chart. Enjoy the app on behalf of FracAppz's Team and myself.!! Omar A Omar ## Key features - Tubular dimensions and strengths library - Proppant supplier library - Hydrostatic pressure calculator - Proppant concentration calculator - Customizable strap chart - Email/text results ## Recent user reviews (7 of 7) All indexed reviews: https://appshunter.io/ios/app/fracappz-app/id959223557/reviews.md ### 4/5 — Metric *2017-05-10, version 1.3.0* Needs an option to switch to metric ### 5/5 — Keep calm and frac on *2017-05-02, version 1.3.0* Nice day to day app in the frac world. ### 5/5 — Best Frac Calculations App *2015-10-26, version 1.2.2* Great library of Casing Strengths (better than Halliburton eRedbook). Keep adding more calculators. ### 2/5 — Needs work *2015-10-25, version 1.2.2* Needs better calculations other than the basics. Could also use a section about coil tubing fracing. ### 4/5 — Please add *2015-07-31, version 1.0.0* This a great app to use my only complaint is that in the stratgen and mws apps you had an acid dilution part of the app. Will you please add that in to this one ### 3/5 — Toolbox *2015-02-09, version 1.0.0* Very good tool to have.Would be even better with a metric conversion. ### 5/5 — Great app excellent work and very good for oil filed professional . *2015-02-06, version 1.0.0* Good app and very useful for oilfield . profession work excellent effort ## Frequently asked questions about FracAppz App ### What is FracAppz App used for? FracAppz App provides oilfield professionals with tools for tubular dimensions, proppant information, and various field calculations like hydrostatic pressure and slurry density. It also includes a customizable strap chart. ### Who is FracAppz App designed for? This app is specifically designed for oilfield professionals, including Completions Consultants, Engineers, Service Supervisors, and Equipment Operators. ### Does FracAppz App have ads? No, FracAppz App does not contain advertisements. ### What kind of calculations can I perform with FracAppz App? You can perform calculations such as hydrostatic pressure, proppant concentration, blender screw RPM, slurry density, flush volume, annular volume capacity, screen-out calculations, fracture gradient, and acid mixing. ### Can I share results from FracAppz App? Yes, you can email or text results to colleagues or coworkers directly from the app. ### What is the rating of FracAppz App? FracAppz App has an excellent rating of 5.0 stars based on 4 user reviews. ### Is FracAppz App available on multiple devices? Yes, FracAppz App is available for both iPhone and iPad. ### How often is FracAppz App updated? The latest version of FracAppz App is 2.0.0, and it was last updated on March 19, 2026. ## Version history (last 4 releases) ### 2.0.0 — 2026-03-19 Version 2.0.0 - Complete redesign with a modern SwiftUI interface. Features improved calculator accuracy, casing and proppant libraries, HCl dilution with automatic SG lookup, and full screen keyboard navigation. ### 1.3.0 — 2015-11-30 This app has been updated by Apple to display the Apple Watch app icon. Version 1.3.0 o Added a full library of Saint Gobain Proppants including all product bulletins. Utilizing advanced manufacturing process and different grades, Saint Gobain is able to achieve 4 product lines of bauxite-based ceramics. o Added Acid Dilution equations in "About Calculations in this App" section. Version 1.2.2 As per many requests, the following calculators are added to the list of engineering calculators to help fellow oilfield hands in their day to day calculations. 1- Fracture Gradient calculator 2- HCl Dilution calculator ### 1.2.2 — 2015-10-14 As per many requests, the following calculators are added to the list of engineering calculators to help fellow oilfield hands in their day to day calculations. 1- Fracture Gradient calculator 2- HCl Dilution calculator Omar A Omar ### 1.0.0 — 2015-02-05 No release notes. ## Apps similar to FracAppz App | App | Rating | Price | Category | | --- | --- | --- | --- | | [Texas by Texas (TxT)](https://appshunter.io/ios/app/texas-by-texas-txt/id1585012983) | 4.9 (37,062) | Free | Utilities | | [Tech Coach](https://appshunter.io/ios/app/tech-coach/id1065341814) | 4.5 (13,152) | Free | Utilities | | [Solaris Optics](https://appshunter.io/ios/app/solaris-optics/id1580420859) | 3.3 (6) | Free | Utilities | | [weBoost](https://appshunter.io/ios/app/weboost/id1611974453) | 3.3 (64) | Free | Utilities | | [Petrix Maps Oilfield Navigator](https://appshunter.io/ios/app/petrix-maps-oilfield-navigator/id1524234343) | 4.7 (243) | Free | Utilities | | [Hours Minutes Calculator Lite](https://appshunter.io/ios/app/hours-minutes-calculator-lite/id543277853) | 4.6 (2,946) | Free | Utilities | ## More apps by FracAppz Studios, LLC - [Tap2NFC](https://appshunter.io/ios/app/tap2nfc/id6760925394) All apps by FracAppz Studios, LLC: https://appshunter.io/developer/959223556 --- *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 2026-06-09.*