# Inbox Zero vs Taac!

The clearest difference is iOS requirement: Taac! at 16.4 against Inbox Zero's 18.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Inbox Zero sells 2 in-app purchases, starting at $19.99 per month and Taac! sells 4 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Inbox Zero ships an update weekly, Taac! every 9 days. The most recent releases landed on November 9, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Inbox Zero | Taac! |
| --- | --- | --- |
| 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 | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 9 days |
| Monetization | Subscription | — |
| Size | 35 MB | 11 MB |
| Requires iOS | 18.0 | **16.4** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Inbox Zero Inc.](https://appshunter.io/developer/1880462164) | [Housegram Srl](https://appshunter.io/developer/1622199302) |

## 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, 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 |


### Taac!

[App page](https://appshunter.io/ios/app/taac/id6805249290)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Basic | $3.99 | per month |
| Premium Pro | $8.99 | per month |
| Premium Basic Yearly | $44.99 | per year |
| Premium Pro Yearly | $89.99 | per year |


## Frequently asked questions

### Is Inbox Zero free?

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

### Is Taac! free?

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

### Do Inbox Zero or Taac! have ads?

Neither Inbox Zero nor Taac! shows ads.

### Which is updated more often, Inbox Zero or Taac!?

Inbox Zero ships an update weekly, and Taac! every 9 days. Most recently, Inbox Zero was updated on November 9, 2026 and Taac! 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.*