# Zoho Calendar vs Odoo WebApp

The clearest difference is rating: Zoho Calendar at 3.6 against Odoo WebApp's 3.0. Zoho Calendar also leads on update cadence (every 3 weeks vs every 14 months) and review sentiment (36% vs 25%). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Zoho Calendar holds the better App Store score, 3.6 against 3.0. That said, the two scores are not equally well evidenced: Zoho Calendar has 5 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 36% of Zoho Calendar's written reviews are positive against 25% of Odoo WebApp's.

Zoho Calendar ships an update every 3 weeks, Odoo WebApp every 14 months. The most recent releases landed on October 28, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Zoho Calendar | Odoo WebApp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.6 (5 ratings)](https://appshunter.io/ios/app/zoho-calendar/id1536155579/reviews)** | [3.0 (1 ratings)](https://appshunter.io/ios/app/odoo-webapp/id6475309684/reviews) |
| Number of ratings | **5** | 1 |
| Positive reviews | **36.4% of reviews** | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 14 months |
| Monetization | Free | Free |
| Size | 184 MB | 29 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Zoho Corporation](https://appshunter.io/developer/388384807) | [Walnutit](https://appshunter.io/developer/1631984536) |

## What reviewers say

### Zoho Calendar

[App page](https://appshunter.io/ios/app/zoho-calendar/id1536155579)

This app is a collaborative online calendar designed for organizing personal and professional schedules. It allows users to create events, invite others, set reminders, and manage meeting rooms. Multiple views and widgets offer customizable organization, while offline access ensures availability without an internet connection.

**Highlights:** Multiple calendar views (day, week, month), Group calendar collaboration, Event invitations and participant management, Home screen widgets for event overview, Integrations with Zapier, Zoom, Google Calendar, Outlook, Offline access, Room booking and management

**Features:** Vision Pro support

**In-app purchases:** none


### Odoo WebApp

[App page](https://appshunter.io/ios/app/odoo-webapp/id6475309684)

Access Odoo applications from your mobile device with this tool. Manage business operations on the go and receive important updates via push notifications. Supports Odoo enterprise, community, and Walnut ERP.

**Highlights:** Seamless Odoo application access, Manage business operations on the go, Push notifications for updates, Supports Odoo enterprise and community, Compatibility with Walnut ERP

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

**In-app purchases:** none


## Frequently asked questions

### Is Zoho Calendar free?

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

### Is Odoo WebApp free?

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

### Which has better reviews, Zoho Calendar or Odoo WebApp?

Zoho Calendar is rated higher. Zoho Calendar averages 3.6 out of 5 from 5 ratings, while Odoo WebApp averages 3.0 from 1 ratings.

### Do Zoho Calendar or Odoo WebApp have ads?

Neither Zoho Calendar nor Odoo WebApp shows ads.

### Which is updated more often, Zoho Calendar or Odoo WebApp?

Zoho Calendar ships an update every 3 weeks, and Odoo WebApp every 14 months. Most recently, Zoho Calendar was updated on October 28, 2026 and Odoo WebApp on October 24, 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.*