# IESNA Events vs WellStat

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.

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

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.

## The numbers

| Metric | IESNA Events | WellStat |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 104 MB | 43 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Diversified Communications](https://appshunter.io/developer/1300763684) | [WellStat](https://appshunter.io/developer/1878347142) |

## What reviewers say

### IESNA Events

[App page](https://appshunter.io/ios/app/iesna-events/id6738186745)

**In-app purchases:** none


### WellStat

[App page](https://appshunter.io/ios/app/wellstat/id6759371612)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*