λ | Cortex Go vs InVentry RollCall
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
λ | Cortex Go
Access and manage your video surveillance system remotely. View live feeds, playback recordings, and receive instant alerts for motion or alarms. Supports multiple NVR models and offers advanced features like digital zoom and PTZ control.
- Live video streaming
- Video playback and recording
- Push notifications for alarms/motion
- Digital zoom and PTZ control
- Multi-site connectivity
- Instant video snapshots and sharing
- P2P connectivity for remote setup
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Compatible with λ | Cortex NVR devices - λ | Cortex NVR range (Terminator, Hibernator, Genisys & λ | Cortex Max models) Features include: - Multiple layouts - Video playback - Multi-site connectivity - Digital Zoom - PTZ Control - Hot swappable camera tiling - Instant snapshot of video and share to shareable apps - Record video footage - Push notification when alarm or motion is triggered - P2P connectivity for simple remote setup - Timeline with activity - Auto populate any site by tapping site name in portrait mode - Animated swipe left/right to load next/previous set of cameras - Forward and rewind 10 sec by tapping left/right side of full-screen - Supports Security level 1 - Re-arrange the order of devices/favourites by hold, drag and drop when device/favourites list is collapsed - Swipe left/right to load next/previous site's favorites while streaming favorites - Thumbnails as a preview in the timeline for playback video when a user scrolls over the timeline - Group favorites from different sites and auto-populate - Camera audio support - Audio challenge - Share last saved video clip to shareable apps - Backup from timeline - VA activity on timeline for λ | cortex max NVRs - File manager to list snapshots and videos - λ | Cortex TV support - Smart search
InVentry RollCall
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InVentry is trusted by more than 10,000 organisations and helps improve the efficiency of entry, and the security of any building. Using InVentry’s RollCall, you can simplify your emergency evacuations. The app enables you to see a live list of who is onsite, trigger evacuations, and easily account for everyone's safety during an evacuation. Designed for schools and businesses, RollCall integrates with your InVentry system seamlessly to ensure accurate and efficient tracking in real-time, confirming who is safe and allowing you to manage the evacuation process with confidence. Standout features • Instantly trigger evacuations from your device. • Mark people as safe with ease. • See who needs assistance immediately. Download RollCall and experience effective evacuation management.
Screenshots
Verdict
The clearest difference is iOS requirement: λ | Cortex Go at 9.0 against InVentry RollCall's 13.0. 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.
λ | Cortex Go ships an update every 3 months, InVentry RollCall every 2 months. The most recent releases landed on September 17, 2026 and September 30, 2026 respectively.
| Parameter | λ | Cortex Go | InVentry RollCall |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Positive reviews | 37.5% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 3 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 9.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 28 MB | 42 MB |
| Age rating | 4+ | 4+ |
| Developer | adata ltd | inVentry Ltd |
In-app purchases
λ | Cortex Go
No in-app purchases
InVentry RollCall
No in-app purchases
Questions
Is λ | Cortex Go free?
Is InVentry RollCall free?
Do λ | Cortex Go or InVentry RollCall have ads?
Which is updated more often, λ | Cortex Go or InVentry RollCall?
Other comparisons
