RollKall vs Propio ONE
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
Propio ONE
Access on-demand interpretation services in over 300 languages through video or audio calls. Connect with qualified interpreters in seconds for fast, secure, and reliable language assistance.
- 300+ languages supported
- On-demand interpreters
- Video and audio calls
- Fast connection times
- Secure connections
- 3rd party dial-out
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300+ Languages. One App. A qualified interpreter is at your fingertips in seconds with Propio ONE. Simply select video or audio for over 300 languages, get connected, and the interpreter takes care of the rest. With Propio ONE—our proprietary app has the fastest connection times for Video Remote Interpreting (VRI) and Over-the-Phone Interpreting (OPI) services. • Runs on iOS, Mac, and desktop browsers • Connect with over 5,000 qualified interpreters in seconds • Have confidence in secure connections with secure access • Get the best rates for VRI & OPI in the industry • Invite others to join a call with one-tap 3rd party dial-out Propio ONE simplifies the process and offers reliable technology, fast connection times, quality interpreters, and best in class customer service. Access to language services just got easier. To use, click on the app, choose the language, and are connected to an interpreter in seconds. E-mail clientservices@propio-ls.com if you need a User Code for services.
Screenshots
Verdict
The clearest difference is rating: RollKall at 4.2 against Propio ONE's 3.3. RollKall also leads on review sentiment (38% vs 13%) and ratings volume (1.2K vs 27). 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 3.3. That said, the two scores are not equally well evidenced: RollKall has 1.2K ratings behind it against 27, 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 13% of Propio ONE's.
RollKall ships an update every 3 weeks, Propio ONE fortnightly. The most recent releases landed on September 18, 2026 and September 23, 2026 respectively.
| Parameter | RollKall | Propio ONE |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (1.2K ratings) — better | 3.3 (27 ratings) |
| Positive reviews | 38.3% of reviews — better | 12.5% of reviews |
| Number of ratings | 1.2K — better | 27 |
| Update frequency | Every 3 weeks | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.1 — better | 16.4 |
| Further details — not scored | ||
| Size | 46 MB | 96 MB |
| Age rating | 4+ | 4+ |
| Developer | RollKall Technologies, Inc. | Propio Language Services LLC |
Customer experience
RollKall
Propio ONE
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
Propio ONE
Not enough reviews yet to summarise bugs or requests.
In-app purchases
RollKall
No in-app purchases
Propio ONE
No in-app purchases
