# Inbox Zero vs OrbMail

The clearest difference is in-app purchases: OrbMail at none against Inbox Zero's 2. OrbMail also leads on update cadence (every 2 days vs weekly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Inbox Zero sells 2 in-app purchases, starting at $19.99 per month. OrbMail asks for nothing beyond the download.

Inbox Zero ships an update weekly, OrbMail every 2 days. The most recent releases landed on November 13, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Inbox Zero | OrbMail |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/inbox-zero-ai-email-assistant/id6759736561/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | **Every 2 days** |
| Monetization | Subscription | — |
| Size | 35 MB | 19 MB |
| Requires iOS | 18.0 | 18.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Inbox Zero Inc.](https://appshunter.io/developer/1880462164) | [Julio Aris Serey](https://appshunter.io/developer/6806903578) |

## What reviewers say

### Inbox Zero

[App page](https://appshunter.io/ios/app/inbox-zero-ai-email-assistant/id6759736561)

This email client offers a fast, offline-capable experience for Gmail and Outlook. It features an AI assistant for managing emails, an unsubscribe tool, and customizable inbox organization. Users can also schedule messages and undo sends.

**Highlights:** AI email assistant, Offline email access, One-tap unsubscribe, Split inbox tabs, Scheduled sending, Undo send functionality, Support for Gmail and Outlook

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Inbox Zero Starter Monthly | $19.99 | per month |
| Inbox Zero Starter Annual | $199.99 | per year |


### OrbMail

[App page](https://appshunter.io/ios/app/orbmail/id6806903576)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Inbox Zero free?

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

### Is OrbMail free?

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

### Do Inbox Zero or OrbMail have ads?

Neither Inbox Zero nor OrbMail shows ads.

### Which is updated more often, Inbox Zero or OrbMail?

Inbox Zero ships an update weekly, and OrbMail every 2 days. Most recently, Inbox Zero was updated on November 13, 2026 and OrbMail on November 10, 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.*