# Klein Borescope ET21 — Klein ET21 Borescope

> Klein ET21 Borescope (iPhone/iPad app by Klein Tools.)

- Source: https://appshunter.io/ios/app/klein-borescope-et21/id6740300461 (this page in markdown: same URL + `.md`)
- Developer: [Klein Tools](https://appshunter.io/developer/440692921)
- Category: Business, Photo & Video
- Price: Free
- Age rating: 4+
- Requires: iOS 12.0 · 19 MB
- Languages: American English, French (France), European Spanish
- Released: 2025-10-29
- Data updated: 2026-07-17
- User reviews in markdown: https://appshunter.io/ios/app/klein-borescope-et21/id6740300461/reviews.md

## What is Klein Borescope ET21?

The WiFi Borescope provides construction workers picture and video capture of worksite progress and details


## Version history (last 2 releases)

### 1.3.3 — 2026-01-08

Updated graphics support. Bug ficxes.

### 1.0 — 2025-10-29

No release notes.

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## More apps by Klein Tools

- [Klein Tools Borescope](https://appshunter.io/ios/app/klein-tools-borescope/id1437485935)
- [Thermal TI222 / TI223](https://appshunter.io/ios/app/thermal-ti222-ti223/id1590422539)
- [Thermal TI270/TI290](https://appshunter.io/ios/app/thermal-ti270ti290/id1595947863)
- [ET30 Klein Inspection Camera](https://appshunter.io/ios/app/et30-klein-inspection-camera/id6474340805)
- [Wifi Borescope ET19](https://appshunter.io/ios/app/wifi-borescope-et19/id6475085217)

All apps by Klein Tools: https://appshunter.io/developer/440692921

## Related topics

[klein borescope et21](https://appshunter.io/ios/topics/klein-borescope-et21) · [klein tools borescope et16](https://appshunter.io/ios/topics/klein-tools-borescope-et16) · [klein borescope et16](https://appshunter.io/ios/topics/klein-borescope-et16) · [borescope et16](https://appshunter.io/ios/topics/borescope-et16) · [klein borescope](https://appshunter.io/ios/topics/klein-borescope) · [klein tools et20](https://appshunter.io/ios/topics/klein-tools-et20) · [klein tools borescope](https://appshunter.io/ios/topics/klein-tools-borescope) · [klein et20](https://appshunter.io/ios/topics/klein-et20) · [klein tools et16](https://appshunter.io/ios/topics/klein-tools-et16) · [klein](https://appshunter.io/ios/topics/klein) · [klein tools borescope et20](https://appshunter.io/ios/topics/klein-tools-borescope-et20) · [klein tools](https://appshunter.io/ios/topics/klein-tools) · [duralast borescope](https://appshunter.io/ios/topics/duralast-borescope)

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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 2026-07-17.*