# WhatMail vs COET

The clearest difference is in-app purchases: WhatMail at none against COET's 2. WhatMail also leads on update cadence (every 2 weeks vs every 4 months). COET's advantage is iOS requirement (15.1 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. COET sells 2 in-app purchases, starting at $2.99 per 7 days. WhatMail asks for nothing beyond the download.

WhatMail ships an update every 2 weeks, COET every 4 months. The most recent releases landed on October 30, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | WhatMail | COET |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 4 months |
| Monetization | Free | — |
| Size | 28 MB | 77 MB |
| Requires iOS | 26.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [GRAINES](https://appshunter.io/developer/1370928629) | [Cristian Figueredo](https://appshunter.io/developer/1801335695) |

## What reviewers say

### WhatMail

[App page](https://appshunter.io/ios/app/whatmail-mails-like-messages/id6746235939)

This app transforms email management into an intuitive messaging experience. Swipe through emails, view conversations like chats, and utilize a free AI assistant for summaries and replies. It offers smart notifications and bookmarks to help you conquer your inbox efficiently.

**Highlights:** Intuitive swipe gestures for email sorting, Messaging-style conversation threads, On-device AI for summaries and replies, Smart notification filtering, Bookmark system for important messages, Support for major email providers

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

**In-app purchases:** none


### COET

[App page](https://appshunter.io/ios/app/coet/id6752208314)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Week no trial | $2.99 | per 7 days |
| $19.99 Yearly 3 days trial | $19.99 | per year |


## Frequently asked questions

### Is WhatMail free?

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

### Is COET free?

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

### Do WhatMail or COET have ads?

Neither WhatMail nor COET shows ads.

### Which is updated more often, WhatMail or COET?

WhatMail ships an update every 2 weeks, and COET every 4 months. Most recently, WhatMail was updated on October 30, 2026 and COET on November 8, 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.*