# WebEOC vs Vessa

The clearest difference is rating: Vessa at 5.0 against WebEOC's 3.7. Vessa also leads on update cadence (every 10 days vs every 5 weeks). WebEOC's advantage is in-app purchases (none vs 2) and ratings volume (19 vs 1). On price, ads and device support there is nothing between them.

Both are free to download. Vessa sells 2 in-app purchases, starting at $7.99 per month. WebEOC asks for nothing beyond the download.

Vessa holds the better App Store score, 5.0 against 3.7. That said, the two scores are not equally well evidenced: WebEOC has 19 ratings behind it against 1, so its average is the more settled of the two.

WebEOC ships an update every 5 weeks, Vessa every 10 days. The most recent releases landed on October 29, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | WebEOC | Vessa |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (19 ratings)](https://appshunter.io/ios/app/webeoc/id1450386554/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/vessa-shift-work-calendar/id6778909064/reviews)** |
| Number of ratings | **19** | 1 |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 10 days** |
| Monetization | **Free** | Freemium |
| Size | 27 MB | 33 MB |
| Requires iOS | **15.5** | 26.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [EMSystems LLC](https://appshunter.io/developer/1380217928) | [Murat Keskin](https://appshunter.io/developer/1044066382) |

## What reviewers say

### WebEOC

[App page](https://appshunter.io/ios/app/webeoc/id1450386554)

Capture data, conduct assessments, and complete reports in the field to update crisis and incident management boards. Receive critical notifications and access mobile-friendly boards for easy viewing and editing on the go. Stay informed and play an integral role in emergency response events.

**Highlights:** Field data capture and reporting, Real-time critical notifications, Mobile-friendly board access, Online and offline work modes, Location auto-population, Image capture and attachment

**In-app purchases:** none


### Vessa

[App page](https://appshunter.io/ios/app/vessa-shift-work-calendar/id6778909064)

This app helps shift workers plan their schedules and optimize sleep. It automatically generates sleep and caffeine plans based on your work shifts, adapting to changes. Features include roster import, calendar integration, and customizable sleep reminders.

**Highlights:** Shift work calendar, Automatic sleep and caffeine planning, Roster import from photos, iPhone Calendar integration, Home and Lock Screen widgets, Customizable sleep reminders, Shift change adaptation

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $7.99 | per month |
| Annual | $39.99 | per year |


## Frequently asked questions

### Is WebEOC free?

WebEOC is free to download, with no in-app purchases.

### Is Vessa free?

Vessa is free to download, with in-app purchases available.

### Which has better reviews, WebEOC or Vessa?

Vessa is rated higher. WebEOC averages 3.7 out of 5 from 19 ratings, while Vessa averages 5.0 from 1 ratings.

### Do WebEOC or Vessa have ads?

Neither WebEOC nor Vessa shows ads.

### Which is updated more often, WebEOC or Vessa?

WebEOC ships an update every 5 weeks, and Vessa every 10 days. Most recently, WebEOC was updated on October 29, 2026 and Vessa on October 22, 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.*