# Appio vs Inbox Zero

The clearest difference is in-app purchases: Appio at none against Inbox Zero's 2. Inbox Zero's advantage is update cadence (weekly vs every 3 weeks). On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Appio against 5.0 for Inbox Zero. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Appio ships an update every 3 weeks, Inbox Zero weekly. The most recent releases landed on November 12, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | Appio | Inbox Zero |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/appio-notifications-and-widgets/id6736359699/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/inbox-zero-ai-email-assistant/id6759736561/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | **Free** | Subscription |
| Size | 41 MB | 35 MB |
| Requires iOS | **17.5** | 18.0 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Appio Limited](https://appshunter.io/developer/1771615429) | [Inbox Zero Inc.](https://appshunter.io/developer/1880462164) |

## What reviewers say

### Appio

[App page](https://appshunter.io/ios/app/appio-notifications-and-widgets/id6736359699)

This app delivers updates from your favorite websites and services directly to your iPhone, iPad, and Apple Watch as native notifications and live widgets. It requires no sign-up and automatically displays service logos and colors for a personalized experience.

**Highlights:** Native push notifications with service branding, Searchable notification history per service, Home Screen, Lock Screen, and Control Center widgets, Automatic widget refreshes, Customizable service colors, Apple Watch app with complications

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

**In-app purchases:** none


### 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, featuring an AI assistant for managing your inbox. It allows for easy unsubscribing, smart inbox organization, and quick replies.

**Highlights:** AI email assistant, Offline access, Unsubscribe from senders, Split inbox by tabs, Quick swipe actions, Scheduled sending, Undo send

**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 |


## Frequently asked questions

### Is Appio free?

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

### Is Inbox Zero free?

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

### Which has better reviews, Appio or Inbox Zero?

Appio and Inbox Zero are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Appio or Inbox Zero have ads?

Neither Appio nor Inbox Zero shows ads.

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

Appio ships an update every 3 weeks, and Inbox Zero weekly. Most recently, Appio was updated on November 12, 2026 and Inbox Zero on November 13, 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.*