# MailWit vs Duet

The clearest difference is device support: MailWit at 4 against Duet's 2. MailWit also leads on iOS requirement (15.1 vs 27.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. MailWit sells 2 in-app purchases, starting at $7.99 per month and Duet sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

MailWit ships an update weekly, Duet every 10 days. The most recent releases landed on November 8, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | MailWit | Duet |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/mailwit-ai-email-assistant/id6748094717/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 10 days |
| Monetization | Freemium | — |
| Size | 84 MB | 31 MB |
| Requires iOS | **15.1** | 27.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Walking LLC](https://appshunter.io/developer/673588167) | [Conscious Engines](https://appshunter.io/developer/1876149587) |

## What reviewers say

### MailWit

[App page](https://appshunter.io/ios/app/mailwit-ai-email-assistant/id6748094717)

This app uses AI to transform your emails into actionable items like smart cards, tasks, and organized projects. It provides quick summaries, extracts key information, and helps you manage your inbox by prioritizing urgent items. Travel and order details are automatically organized for easy tracking.

**Highlights:** AI-powered email summaries, Smart cards for travel and orders, Task extraction from emails, Automated project grouping, Inbox triage by urgency, On-device AI processing

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MailWit Pro | $7.99 | per month |
| MailWit Pro Annual | $79.99 | per year |


### Duet

[App page](https://appshunter.io/ios/app/duet-pdf-reader/id6821941148)

**Features:** iPhone Duo support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Duet Pro Lifetime | $9.99 | one-time |


## Frequently asked questions

### Is MailWit free?

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

### Is Duet free?

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

### Do MailWit or Duet have ads?

Neither MailWit nor Duet shows ads.

### Which is updated more often, MailWit or Duet?

MailWit ships an update weekly, and Duet every 10 days. Most recently, MailWit was updated on November 8, 2026 and Duet 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.*