NETA App vs Klein Borescope ET21
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NETA App
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This App is designed to be utilized by NETA Accredited companies (NAC), Certified Electrical Testing Technicians, NETA Approved Military Organizations (NAMO), electrical equipment manufacturers, electrical testing equipment manufacturers, architect and engineering firms, electrical utilities, electrical inspectors, electrical maintenance contractors, government agencies, specifying engineers, commissioning agencies, owners & end users or anyone associated with the electrical testing industry. It provides the electrical testing industry access to purchased ANSI/NETA standards (PDF viewer), links to NETA World Journal and the PowerTest conference, and ability to purchase NETA training materials and merchandise from the App.
Klein Borescope ET21
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The WiFi Borescope provides construction workers picture and video capture of worksite progress and details
Screenshots
Verdict
The clearest difference is update cadence: NETA App at every 5 days against Klein Borescope ET21's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
NETA App ships an update every 5 days, Klein Borescope ET21 every 2 months. The most recent releases landed on September 17, 2026 and September 27, 2026 respectively.
| Parameter | NETA App | Klein Borescope ET21 |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 days — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.4 | 12.0 — better |
| Further details — not scored | ||
| Size | 14 MB | 19 MB |
| Age rating | 4+ | 4+ |
| Developer | International Electrical Testing Association Inc. | Klein Tools |
In-app purchases
NETA App
No in-app purchases
Klein Borescope ET21
No in-app purchases
Questions
Is NETA App free?
Is Klein Borescope ET21 free?
Do NETA App or Klein Borescope ET21 have ads?
Which is updated more often, NETA App or Klein Borescope ET21?
Other comparisons
