Comparison

Klein Borescope ET21 vs CrowdCheckr

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Klein Borescope ET21

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
Read full description

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

About

CrowdCheckr

Streamline venue management with automatic occupancy counting, private event bookings, and real-time insights. Optimize staffing based on historical data and manage your entire team's access with role-based permissions.

Highlights
  • Automatic occupancy counting
  • Private event booking management
  • Real-time venue insights
  • Data-driven staffing recommendations
  • Role-based team access
  • Historical data analysis
Features
Read full description

Automatic occupancy counting, private event bookings, and real-time insights, all in one dashboard for your venue. KNOW YOUR COUNT One accurate count across every door. Let us handle the math while you focus on what matters. FREE UP YOUR DOOR Your bouncers stop tallying and go back to the job. Checking IDs, keeping glasses from leaving, and handling trouble before it starts. LIVE FROM ANYWHERE Check the count from the door, your couch, or the back office. It updates instantly, so nobody is walking back and forth to ask. EVERY MINUTE, SAVED A clicker gives you one number, then it's gone. CrowdCheckr keeps every minute, so every night makes the next one easier to plan. STAFF ON DATA, NOT A HUNCH Recommended staffing hour by hour, built from your own history. Next week's schedule takes minutes instead of an evening. BOOKINGS AND EVENTS IN ONE PLACE Private event requests land in one inbox. Gamedays and concerts sit on one calendar. Nothing gets lost in a group chat. BUILT FOR THE WHOLE TEAM Role-based access. Bouncers see the live count, managers get analytics and bookings, owners control everything. CrowdCheckr works with the counting hardware installed at your door. Not set up yet? Start at www.crowdcheckr.com.

Screenshots

Klein Borescope ET214 screens
CrowdCheckr4 screens

Verdict

The call

The clearest difference is rating: CrowdCheckr at 5.0 against Klein Borescope ET21's 2.2. CrowdCheckr also leads on update cadence (every 2 weeks vs every 2 months). Klein Borescope ET21's advantage is ratings volume (9 vs 2) and iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and monetization model 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

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

CrowdCheckr holds the better App Store score, 5.0 against 2.2. Both are backed by a comparable volume of ratings — 9 and 2 respectively.

UpkeepUpdate frequency

Klein Borescope ET21 ships an update every 2 months, CrowdCheckr every 2 weeks. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

Scorecard4 real differences · 5 level
Klein Borescope ET21 versus CrowdCheckr: the parameters behind the verdict, then further details
ParameterKlein Borescope ET21CrowdCheckr
PriceFreeFree
Rating2.2 (9 ratings)5.0 (2 ratings) — better
Number of ratings9 — better2
Update frequencyEvery 2 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS12.0 — better15.0
Further details — not scored
Size19 MB2 MB
Age rating4+4+
DeveloperKlein ToolsCrowdCheckr LLC

In-app purchases

None

Klein Borescope ET21

No in-app purchases

None

CrowdCheckr

No in-app purchases

Questions

Is Klein Borescope ET21 free?
Klein Borescope ET21 is free to download, with no in-app purchases.
Is CrowdCheckr free?
CrowdCheckr is free to download, with no in-app purchases.
Which has better reviews, Klein Borescope ET21 or CrowdCheckr?
CrowdCheckr is rated higher. Klein Borescope ET21 averages 2.2 out of 5 from 9 ratings, while CrowdCheckr averages 5.0 from 2 ratings.
Do Klein Borescope ET21 or CrowdCheckr have ads?
Neither Klein Borescope ET21 nor CrowdCheckr shows ads.
Which is updated more often, Klein Borescope ET21 or CrowdCheckr?
Klein Borescope ET21 ships an update every 2 months, and CrowdCheckr every 2 weeks. Most recently, Klein Borescope ET21 was updated on October 30, 2026 and CrowdCheckr on October 31, 2026.

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