StallionVMS vs DrillOut Calcs
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
StallionVMS
Monitor surveillance cameras in real-time and review past footage. This system offers cloud storage and advanced analytics, including object detection for people and vehicles. Receive instant notifications for triggered events.
- Real-time camera monitoring
- Review past events and archives
- Cloud storage and analytics
- Object detection (people, vehicles)
- Customizable event notifications
- Bank-grade encryption
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Stallion Cloud VMS Monitor your Stallion surveillance cameras in real time or review past events and archives. Stallion Cloud Video Surveillance and Analytics is an end-to-end video surveillance solution. Leveraging plug-and-play cameras to monitor your business and cloud storage and analytics. Stallion provides end-to-end solutions from single location businesses with few cameras to businesses with several cameras across multiple locations. Video is transmitted to the cloud using bank-grade encryption where it’s then processed using machine learning to detect objects such as people and vehicles. Event rules based on time schedules and object types can trigger notifications to be sent to mobile phones, email, or our video monitoring station.
DrillOut Calcs
This app offers essential calculations for oilfield professionals performing post-frac plug drill-outs. It provides quick and accurate tools to verify flow balance, annular velocity, sweep efficiency, and surface return timing in real time, designed for simplicity and speed.
- Post-frac plug drill-out calculations
- Flow balance verification
- Annular velocity calculation
- Sweep efficiency assessment
- Surface return timing
- Real-time data verification
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Drill-Out Calculator provides quick, accurate tools for oilfield professionals performing post-frac plug drill-outs. Built for simplicity and speed, it helps verify flow balance, annular velocity, sweep efficiency, and surface return timing in real time.
Screenshots
Verdict
The clearest difference is update cadence: DrillOut Calcs at every 3 weeks against StallionVMS's every 17 months. StallionVMS's advantage is iOS requirement (12.0 vs 18.5). On price, rating, review sentiment and ratings volume 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.
On the App Store both sit at effectively the same score — 5.0 for StallionVMS against 5.0 for DrillOut Calcs. Both are backed by a comparable volume of ratings — 5 and 2 respectively. Written reviews split almost evenly too, at 100% and 100% positive.
StallionVMS ships an update every 17 months, DrillOut Calcs every 3 weeks. The most recent releases landed on June 1, 2026 and July 31, 2026 respectively.
| Parameter | StallionVMS | DrillOut Calcs |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (5 ratings) | 5.0 (2 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 5 — better | 2 |
| Update frequency | Every 17 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 18.5 |
| Further details — not scored | ||
| Size | 42 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Stallion Infrastructure Services LTD | Cody Martin |
Customer experience
StallionVMS
DrillOut Calcs
In-app purchases
StallionVMS
No in-app purchases
DrillOut Calcs
No in-app purchases
Questions
Is StallionVMS free?
Is DrillOut Calcs free?
Which has better reviews, StallionVMS or DrillOut Calcs?
Do StallionVMS or DrillOut Calcs have ads?
Which is updated more often, StallionVMS or DrillOut Calcs?
Other comparisons
