# FIELDKIT: Drilling Toolkit — Drilling & Well Calculations

> Drilling & Well Calculations (iPhone/iPad app by Abibulla Kurbanov.)

- Source: https://appshunter.io/ios/app/fieldkit-drilling-toolkit/id6810245825 (this page in markdown: same URL + `.md`)
- Developer: [Abibulla Kurbanov](https://appshunter.io/developer/6810245827)
- Category: Utilities, Productivity
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 16.2 · 26 MB
- Languages: American English
- Released: 2026-09-21
- Data updated: 2026-10-26

## What is FIELDKIT?

FIELDKIT is a practical drilling calculation toolkit designed for field use.
Perform essential drilling and well-control calculations quickly using either SI or oilfield units.
Included tools:
• Hydrostatic Pressure
• Mud Weight
• Equivalent Circulating Density (ECD)
• Kill Mud Weight
• Annular Volume
• Pipe Capacity
• Pipe Displacement
• Triplex Pump Output
• Bottoms Up
• Trip Fill
FIELDKIT also includes:
• Well Profile management
• Job and shift notes
• Calculation history
• PDF report generation
• Drilling formulas and unit conversions
• Offline operation
FIELDKIT Pro unlocks the complete toolkit with a one-time purchase. No subscription is required.
FIELDKIT is intended as a calculation and reference aid. Users remain responsible for verifying all inputs, calculations, and operational decisions according to applicable procedures and standards.

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| FIELDKIT Pro Lifetime | $9.99 | one-time |


## Is FIELDKIT safe?

Not enough ratings yet to assess FIELDKIT.

## Is FIELDKIT legit?

FIELDKIT: Drilling Toolkit has limited verification signals. The AppsHunter Legitimacy Score for FIELDKIT is 58 out of 100 points across 7 verification signals from App Store and developer data.


## Version history (last 1 release)

### 1.0 — 2026-09-21

No release notes.

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*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 2026-10-26.*