Comparison

Grayscale App vs Klerk

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

Head to head
About

Grayscale App

Manage hiring and employee engagement on the go. Seamlessly message candidates and employees, schedule events, and collect feedback via SMS or WhatsApp. Stay productive and organized from your mobile device.

Highlights
  • Candidate messaging
  • Employee engagement
  • Event scheduling
  • Feedback collection
  • SMS and WhatsApp integration
  • Onboarding management
Features
Read full description

Take your hiring and employee engagement process wherever you go with the Grayscale Mobile app! Stay connected by seamlessly messaging candidates, new hires, and employees, scheduling events, and collecting feedback—all through convenient sms or WhatsApp messaging. Whether you’re managing interviews, onboarding, or ongoing communication, Grayscale keeps everything moving effortlessly, right from your mobile device. Stay productive, responsive, and organized, no matter where you are!

About

Klerk

Manage events from registration to check-in, communication, and invoicing. Streamline your entire event workflow with tools for organizers of driving experiences and adventure activities.

Highlights
  • Event management dashboard
  • Attendee registration and check-in
  • QR code scanning for check-ins
  • Invoicing and agreement creation
  • Thread-based messaging
  • Real-time push notifications
Features
Read full description

Klerk is the essential event management companion for Kerbz Adventures organizers and hosts. Streamline your entire event workflow from registrations to check-ins, communications to invoicing. KEY FEATURES Event Management • View and manage all your upcoming and past events • Access detailed registration lists with powerful search and filtering • Check in attendees instantly with QR code scanning • Manage event schedules and coordinate timing • Broadcast announcements to all participants Registration Tools • View comprehensive registrant details • Assign instructors and manage vehicle classifications • Track form completions and agreement signatures • Assign car numbers for track events • Communicate directly with individual registrants Invoicing & Agreements • Create and send professional invoices • Customize with line items, taxes, and discounts • Send agreements and contracts from templates • Track payment and signing status Messaging & Notifications • Thread-based messaging with participants • Real-time push notifications for new registrations, messages, and updates • Stay informed with a centralized notification hub Built for event professionals who run driving experiences, track days, car meets, and adventure activities. Klerk by Kerbz puts the power of professional event management in your pocket. Download Klerk and take control of your events today.

Screenshots

Grayscale App4 screens
Klerk4 screens

Verdict

The call

The clearest difference is update cadence: Klerk at every 6 days against Grayscale App's every 2 months. Grayscale App's advantage is ratings volume (4 vs 1). On price, rating, ads and in-app purchases 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

On the App Store both sit at effectively the same score — 5.0 for Grayscale App against 5.0 for Klerk. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

UpkeepUpdate frequency

Grayscale App ships an update every 2 months, Klerk every 6 days. The most recent releases landed on September 16, 2026 and October 15, 2026 respectively.

Scorecard2 real differences · 8 level
Grayscale App versus Klerk: the parameters behind the verdict, then further details
ParameterGrayscale AppKlerk
PriceFreeFree
Rating5.0 (4 ratings)5.0 (1 ratings)
Positive reviews100.0% of reviews—
Number of ratings4 — better1
Update frequencyEvery 2 monthsEvery 6 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPad
Requires iOS16.0 — better16.4
Further details — not scored
Size56 MB64 MB
Age rating4+4+
DeveloperGrayscale Labs, Inc.Kerbz Adventures, Inc.

Customer experience

Grayscale App

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Klerk

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Grayscale App

No in-app purchases

None

Klerk

No in-app purchases

Questions

Is Grayscale App free?
Grayscale App is free to download, with no in-app purchases.
Is Klerk free?
Klerk is free to download, with no in-app purchases.
Which has better reviews, Grayscale App or Klerk?
Grayscale App and Klerk are both rated 5.0 out of 5 on the App Store, from 4 and 1 ratings respectively.
Do Grayscale App or Klerk have ads?
Neither Grayscale App nor Klerk shows ads.
Which is updated more often, Grayscale App or Klerk?
Grayscale App ships an update every 2 months, and Klerk every 6 days. Most recently, Grayscale App was updated on September 16, 2026 and Klerk on October 15, 2026.

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