RollKall vs ShotSpotter
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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
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.
- 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
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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
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
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.
RollKall ships an update every 3 weeks, ShotSpotter monthly. The most recent releases landed on September 18, 2026 and July 5, 2026 respectively.
| Parameter | RollKall | ShotSpotter |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (1.2K ratings) — better | 2.6 (143 ratings) |
| Positive reviews | 38.3% of reviews — better | 26.3% of reviews |
| Number of ratings | 1.2K — better | 143 |
| Update frequency | Every 3 weeks — better | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Subscription |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.1 | 15.0 — better |
| Further details — not scored | ||
| Size | 46 MB | 32 MB |
| Age rating | 4+ | 17+ |
| Developer | RollKall Technologies, Inc. | SoundThinking, Inc. |
Customer experience
RollKall
ShotSpotter
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
RollKall
No in-app purchases
ShotSpotter
No in-app purchases









