# Drill Sub

> Trenchless utility installation contractor app for generating client estimates. (iPhone/iPad app by Drill Sub Inc.)

- Source: https://appshunter.io/ios/app/drill-sub/id1508056029 (this page in markdown: same URL + `.md`)
- Developer: [Drill Sub Inc](https://appshunter.io/developer/1508056028)
- Category: Business
- Price: Free
- Rating: 5.00/5 from 2 App Store ratings
- Age rating: 4+
- Requires: iOS 12.4 · 16 MB
- Languages: English
- Released: 2020-07-13
- Data updated: 2026-06-10
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/drill-sub/id1508056029/reviews.md

## What is Drill Sub?

Drill Sub, Inc. is a trenchless utility installation contractor. We specialize in installation of water lines, sewer lines, gas lines and electrical conduits without excavating. The Drill Sub APP will allow contractors to provide an estimate while discussing the project with their clients.
The APP allows for the selection of the various construction activities that are involved with the complete installation of a trenchless selected service. The APP will calculate your selection of activities in a final PDF format.  Once the estimate is approved by Drill Sub the work will be scheduled for execution.

## Key features

- Trenchless utility installation estimates
- Select construction activities
- Automatic PDF estimate generation
- Project scheduling
- Water, sewer, gas, electrical conduit installation


## Frequently asked questions about Drill Sub

### What types of utility installations does Drill Sub support estimates for?

Drill Sub supports estimates for water lines, sewer lines, gas lines, and electrical conduits using trenchless installation methods.

### How does Drill Sub generate an estimate?

The app allows contractors to select various construction activities involved in a trenchless installation. Based on these selections, it calculates and generates a final estimate in PDF format.

### Can I schedule work directly after getting an estimate with Drill Sub?

Yes, once an estimate is approved by Drill Sub, the work can be scheduled for execution directly through the app.

### What devices is Drill Sub available on?

Drill Sub is available on iPhone, iPad, and iPod devices.

### How often is Drill Sub updated?

The app was last updated on February 2, 2024, indicating regular maintenance and potential feature additions.

### What is the age rating for Drill Sub?

Drill Sub has an age rating of 4+, making it suitable for a wide range of users.

### Does Drill Sub have ads?

No, Drill Sub does not contain advertisements.

### What is the user feedback on Drill Sub?

Drill Sub has received excellent user feedback, with an average rating of 5.0 stars from 2 ratings.

## Version history (last 5 releases)

### 1.9 — 2024-02-02

Minor Bug Fix

### 1.8 — 2024-02-01

Minor Bug Fixes

### 1.5 — 2023-02-07

close darkMode of this app

### 1.4 — 2022-12-14

change BaseUrl

### 1.2 — 2020-09-17

Fixed some bugs.

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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 2026-06-10.*