ASHRAE 365 vs E3 ES
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ASHRAE 365
Access ASHRAE information year-round. Stay updated on global conferences and events, connect with the community via social media, and discover resources to support the Society.
- Conference and event updates
- Social media integration
- Resource discovery
- Society support information
- Year-round access
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ASHRAE 365 is your year-round app for ASHRAE information. Stay up-to-date on upcoming worldwide conferences and events, connect with others through social media, find resources, and learn how to support the Society.
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 review sentiment: E3 ES at 100% against ASHRAE 365's 0%. E3 ES also leads on rating (5.0 vs 4.2) and update cadence (every 3 weeks vs every 4 months). ASHRAE 365's advantage is ratings volume (10 vs 1). On price, ads, in-app purchases and device support 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.
E3 ES holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: ASHRAE 365 has 10 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of ASHRAE 365's written reviews are positive against 100% of E3 ES's.
ASHRAE 365 ships an update every 4 months, E3 ES every 3 weeks. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.
| Parameter | ASHRAE 365 | E3 ES |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (10 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 0.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 10 — better | 1 |
| Update frequency | Every 4 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.6 | 17.6 |
| Further details — not scored | ||
| Size | 53 MB | 53 MB |
| Age rating | +4 | 4+ |
| Developer | ASHRAE, Inc. | Webtrack S.A. |
Customer experience
ASHRAE 365
E3 ES
In-app purchases
ASHRAE 365
No in-app purchases
E3 ES
No in-app purchases
