---
title: "Klein Borescope ET21 - Reviews, Revenue and Downloads in United States | Apple App Store"
description: "The WiFi Borescope provides construction workers picture and video capture of worksite progress and details"
---

# Klein Borescope ET21 — United States
> Klein ET21 Borescope

![Klein Borescope ET21 App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/f8/b0/4d/f8b04d26-9d49-ad69-87dd-bc359a44f67c/AppIcon-0-0-1x_U007emarketing-0-3-0-0-85-220.png/434x0w.png)

**Developer:** [Unknown](https://apptail.io/developer/unknown-XiEc)
**Category:** Business
**Rating:** 2.2/5 (9 ratings)
**Price:** Free
**Bundle ID:** com.kleintools.et21
**Store:** Apple App Store
**Country:** United States
**Version:** 1.3.3 (released 2026-01-08)
**Original Release:** 2025-10-29
**Languages:** Spanish, French, English

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/us/app/app/id6740300461)
**AppTail Page:** [https://apptail.io/app/klein-borescope-et21-Qchy/united-states](https://apptail.io/app/klein-borescope-et21-Qchy/united-states)

## Klein Borescope ET21 Description
The WiFi Borescope provides construction workers picture and video capture of worksite progress and details

## Klein Borescope ET21 Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/cd/c0/2a/cdc02ad9-87c3-d72c-ddca-1d3a64992bc8/ET21_alt4.jpg/1242x2688.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/14/fc/9f/14fc9f45-14aa-108e-b0be-a27fa49d2870/ET21_alt5.jpg/1242x2688.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/3a/84/4c/3a844c23-6d1a-0f73-5996-ec51d24b2cbe/ET21_alt6.jpg/1242x2688.png)
- [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/72/16/0c/72160c9c-d16a-bff2-3f5c-2fc93a89c9fe/ET21_alt7.jpg/1242x2688.png)

## Klein Borescope ET21 Rating Breakdown in United States
- 5 stars: 2 (22%)
- 4 stars: 1 (11%)
- 3 stars: 0 (0%)
- 2 stars: 0 (0%)
- 1 stars: 6 (67%)






## Klein Borescope ET21 Available In
- [United States](https://apptail.io/app/klein-borescope-et21-Qchy/united-states)
- [Canada](https://apptail.io/app/klein-borescope-et21-Qchy/canada)
- [Peru](https://apptail.io/app/klein-borescope-et21-Qchy/peru)

---

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