Comparison

IESNA Events vs WellStat

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

IESNA Events

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Access all the information you need onsite at Intersolar & Energy Storage North America (IESNA) events.  Main Features: - AI-Powered Matchmaking - Comprehensive Event Schedule - Session & Speaker Information - Exhibit Hall Map - Real-Time Notifications About IESNA: IESNA is the premier U.S. tradeshow and conference series for solar, energy storage, EV infrastructure, and manufacturing. IESNA events provide targeted education, strategic networking, and a dynamic exhibit hall to connect clean energy professionals and advance industry growth. To learn more, visit iesna.com.

About

WellStat

Features
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Understand the health of your indoor spaces with clear, real‑time air quality insights. The WellStat app provides an easy way to monitor key environmental factors and see how conditions evolve across your entire building portfolio. Please note: you must have an active WellStat IAQ subscription to be able to use this app. Key features: - Real‑time air quality data: View live readings for temperature, humidity, CO₂, and other key indoor air quality measures. - Historical trends: Explore changes in environmental conditions over time to better understand air quality performance and long-term trends. - Performance ratings: Quickly assess indoor conditions with simple, intuitive ratings. - Portfolio‑wide visibility: Navigate across buildings, floors, and spaces with powerful search and filtering tools to find the information that matters most. Designed for commercial buildings, workplaces, shared environments, and organizations seeking greater visibility into the environments where people live, work, and gather.

Screenshots

IESNA Events4 screens
WellStat2 screens

Verdict

The call

The clearest difference is update cadence: WellStat at every 3 weeks against IESNA Events's every 2 months. 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

IESNA Events ships an update every 2 months, WellStat every 3 weeks. The most recent releases landed on October 24, 2026 and October 31, 2026 respectively.

Scorecard1 real difference · 5 level
IESNA Events versus WellStat: the parameters behind the verdict, then further details
ParameterIESNA EventsWellStat
PriceFreeFree
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.615.1 — better
Further details — not scored
Size104 MB43 MB
Age rating17+4+
DeveloperDiversified CommunicationsWellStat

In-app purchases

None

IESNA Events

No in-app purchases

None

WellStat

No in-app purchases

Questions

Is IESNA Events free?
IESNA Events is free to download, with no in-app purchases.
Is WellStat free?
WellStat is free to download, with no in-app purchases.
Do IESNA Events or WellStat have ads?
Neither IESNA Events nor WellStat shows ads.
Which is updated more often, IESNA Events or WellStat?
IESNA Events ships an update every 2 months, and WellStat every 3 weeks. Most recently, IESNA Events was updated on October 24, 2026 and WellStat on October 31, 2026.

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