# BuildOps CRM vs Klein Borescope ET21

The clearest difference is rating: BuildOps CRM at 5.0 against Klein Borescope ET21's 2.2. BuildOps CRM also leads on update cadence (monthly vs every 2 months). Klein Borescope ET21's advantage is ratings volume (9 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

BuildOps CRM holds the better App Store score, 5.0 against 2.2. That said, the two scores are not equally well evidenced: Klein Borescope ET21 has 9 ratings behind it against 1, so its average is the more settled of the two.

BuildOps CRM ships an update monthly, Klein Borescope ET21 every 2 months. The most recent releases landed on October 8, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | BuildOps CRM | Klein Borescope ET21 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/buildops-crm/id1414481262/reviews)** | [2.2 (9 ratings)](https://appshunter.io/ios/app/klein-borescope-et21/id6740300461/reviews) |
| Number of ratings | 1 | **9** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free | Free |
| Size | 46 MB | 19 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Perfectware Solutions](https://appshunter.io/developer/1414481261) | [Klein Tools](https://appshunter.io/developer/440692921) |

## What reviewers say

### BuildOps CRM

[App page](https://appshunter.io/ios/app/buildops-crm/id1414481262)

This app streamlines the sales process for mechanical service contractors. It offers tools for surveying, estimating, and generating proposals, helping teams manage their sales funnel and client information from initial contact to closing.

**Highlights:** Mobile surveying tool, Service contract and project estimating, Proposal generation, Sales funnel management, Activity tracking, Client historical information access, Equipment data collection with pictures

**Features:** macOS Compatibility

**In-app purchases:** none


### Klein Borescope ET21

[App page](https://appshunter.io/ios/app/klein-borescope-et21/id6740300461)

This app allows construction workers to capture pictures and videos of worksite progress and details using a WiFi borescope. It facilitates easy documentation of on-site conditions and project advancements.

**Highlights:** Picture capture, Video recording, WiFi connectivity, Worksite documentation, Progress tracking

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BuildOps CRM free?

BuildOps CRM is free to download, with no in-app purchases.

### Is Klein Borescope ET21 free?

Klein Borescope ET21 is free to download, with no in-app purchases.

### Which has better reviews, BuildOps CRM or Klein Borescope ET21?

BuildOps CRM is rated higher. BuildOps CRM averages 5.0 out of 5 from 1 ratings, while Klein Borescope ET21 averages 2.2 from 9 ratings.

### Do BuildOps CRM or Klein Borescope ET21 have ads?

Neither BuildOps CRM nor Klein Borescope ET21 shows ads.

### Which is updated more often, BuildOps CRM or Klein Borescope ET21?

BuildOps CRM ships an update monthly, and Klein Borescope ET21 every 2 months. Most recently, BuildOps CRM was updated on October 8, 2026 and Klein Borescope ET21 on October 28, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*