Skylar App vs E3 ES
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Skylar App
This app provides teams with a customizable infrastructure for managing guards, scheduling, and dispatching. It simplifies team coordination and operational oversight.
- Guard management
- Team scheduling
- Dispatching capabilities
- Customizable infrastructure
- Operational oversight
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The Skylar App offers teams a customized infrastructure solution that offers guard management, scheduling, and the dispatching of teams with ease.
E3 ES
This application helps track information related to HVAC systems and other building infrastructure. It is designed for professionals involved in designing and upgrading buildings with high-efficiency systems.
- Track HVAC system information
- Monitor building infrastructure
- Support for high-efficiency systems
- Designed for building upgrades
- Data tracking for professionals
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E3’s team designs and upgrades buildings with high-efficiency – HVAC Systems, LED Lighting, Building Automation Systems, and other infrastructure. This app allows to track information about HVACs and other infrastructure systems.
Screenshots
Verdict
The clearest difference is iOS requirement: Skylar App at 13.0 against E3 ES's 17.6. 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.
Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on June 4, 2026 and June 1, 2026 respectively.
| Parameter | Skylar App | E3 ES |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (4 ratings) — better | — |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 4 — better | — |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 13.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 35 MB | 53 MB |
| Age rating | 17+ | 4+ |
| Developer | Skylar Security, LLC | Webtrack Sociedad Anonima |
Customer experience
Skylar App
E3 ES
In-app purchases
Skylar App
No in-app purchases
E3 ES
No in-app purchases
