Comparison

RollKall vs ShotSpotter

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

Head to head
About

RollKall

This platform connects law enforcement officers with off-duty security jobs. Coordinators and agencies can easily find and hire officers for available shifts. Officers can manage their schedules, clock in/out, and document their work.

Highlights
  • Find and apply for open shifts
  • Clock-in/out of jobs
  • Take pictures and notes on the job
  • Officer profiles showcase training
  • Connect coordinators with officers
Features
Read full description

RollKall is a web and mobile tool where coordinators, agencies, and businesses can quickly connect with police officers seeking off-duty security work. RollKall makes it easy for officers to find secondary employment in their area and clock-in/out of shifts. We know our officers have a lot on their plate, so we make it easy to: - Find and apply for open shifts in their area - Clock-in/out of a job when onsite - Take pictures and notes while on the job - Extensive Officer Profiles allow officers to showcase their training and expertise

About

ShotSpotter

This app provides real-time gunshot alerts to law enforcement, including precise location, audio, and incident history. It aids in safe and confident response, evidence collection, and case reporting.

Highlights
  • Real-time gunshot alerts
  • Precise gunshot location
  • Gunfire incident replay
  • Evidence search area mapping
  • Incident list and map views
  • Investigative Lead Summary reports
  • Customizable alert coverage areas
Features
Read full description

SHOTSPOTTER IS NOT AVAILABLE TO THE GENERAL PUBLIC. It is only available to police officers in cities that subscribe to the ShotSpotter service. ShotSpotter gunshot alerts are delivered in real-time to your mobile device so you can respond safely and with confidence. ShotSpotter provides the nearest street address to self-dispatch when the situation warrants, gunshot audio to gain situational awareness, and precise location of the gunshot to search for evidence. Features: - Real-time ShotSpotter gunshot alerts with unique audible alert - Time since trigger pull - Precise gunshot location and round count - Replay gunfire incidents with animation showing gunshot locations - 360-degree street view and 25-meter evidence search area - 24-hour, 3, 7, 14, and 30-day incident list and map views - View and share Investigative Lead Summary incident reports via email/text or print a copy to include as part of a case report. - View your location relative to the incident location on the map. This makes it easier to quickly navigate to the incident location to collect shell casings and other trace evidence. - Dark and light user interface themes - Customize gunfire alerts using user-selectable ShotSpotter coverage areas - Quickly find incidents using keyword search - Easily find addresses and points of interest on the map to quickly browse and find nearby incidents

Screenshots

RollKall4 screens
ShotSpotter4 screens

Verdict

The call

The clearest difference is rating: RollKall at 4.2 against ShotSpotter's 2.6. RollKall also leads on monetization model (free vs subscription) and review sentiment (38% vs 26%). On price, update cadence, 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

RollKall holds the better App Store score, 4.2 against 2.6. That said, the two scores are not equally well evidenced: RollKall has 1.2K ratings behind it against 143, so its average is the more settled of the two. Written reviews point the same way: 38% of RollKall's written reviews are positive against 26% of ShotSpotter's.

UpkeepUpdate frequency

RollKall ships an update every 3 weeks, ShotSpotter monthly. The most recent releases landed on September 18, 2026 and July 5, 2026 respectively.

Scorecard4 real differences · 6 level
RollKall versus ShotSpotter: the parameters behind the verdict, then further details
ParameterRollKallShotSpotter
PriceFreeFree
Rating4.2 (1.2K ratings) — better2.6 (143 ratings)
Positive reviews38.3% of reviews — better26.3% of reviews
Number of ratings1.2K — better143
Update frequencyEvery 3 weeks — betterMonthly
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterSubscription
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.115.0 — better
Further details — not scored
Size46 MB32 MB
Age rating4+17+
DeveloperRollKall Technologies, Inc.SoundThinking, Inc.

Customer experience

RollKall

All ratings1,190 ratings
Positive80.5%
Neutral3.4%
Negative16.1%
Written reviews115 reviews
Positive38.3%
Neutral4.3%
Negative57.4%

ShotSpotter

All ratings143 ratings
Positive39.2%
Neutral4.9%
Negative55.9%
Written reviews38 reviews
Positive26.3%
Neutral5.3%
Negative68.4%

Bugs and requests

RollKall

Reported bugs

5 issues
  • Frequent log-outs
  • Unreliable notifications
  • Glitches in job application process
  • Inaccurate location tracking
  • Compatibility issues with older devices

Requested features

5 requests
  • Calendar view for job postings
  • Ability to filter jobs by pay, day, etc.
  • Notifications for job assignments and rejections
  • Integration with personal calendars
  • See who else is assigned to a job

ShotSpotter

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

RollKall

No in-app purchases

None

ShotSpotter

No in-app purchases

Questions

Is RollKall free?
RollKall is free to download, with no in-app purchases.
Is ShotSpotter free?
ShotSpotter is free to download, with no in-app purchases.
Which has better reviews, RollKall or ShotSpotter?
RollKall is rated higher. RollKall averages 4.2 out of 5 from 1.2K ratings, while ShotSpotter averages 2.6 from 143 ratings.
Do RollKall or ShotSpotter have ads?
Neither RollKall nor ShotSpotter shows ads.
Which is updated more often, RollKall or ShotSpotter?
RollKall ships an update every 3 weeks, and ShotSpotter monthly. Most recently, RollKall was updated on September 18, 2026 and ShotSpotter on July 5, 2026.

Other comparisons