# AI Email Writer vs CubMail

The clearest difference is ads: AI Email Writer at none against CubMail's shown. CubMail's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 18.0). On price, update cadence and in-app purchases there is nothing between them.

Both are free to download. AI Email Writer sells 3 in-app purchases, starting at $4.99 per 7 days and CubMail sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

AI Email Writer ships an update monthly, CubMail every 2 weeks. Both last shipped on October 31, 2026.

## The numbers

| Metric | AI Email Writer | CubMail |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 2 weeks** |
| Size | 6 MB | 32 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone | **iPhone, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Phuc Pham](https://appshunter.io/developer/1893081423) | [CLYB](https://appshunter.io/developer/1882044251) |

## What reviewers say

### AI Email Writer

[App page](https://appshunter.io/ios/app/ai-email-writer-smart-reply/id6767789113)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $4.99 | per 7 days |
| Annual Premium | $24.99 | per year |
| Lifetime Premium | $49.99 | one-time |


### CubMail

[App page](https://appshunter.io/ios/app/cubmail/id6807959315)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $3.99 | one-time |


## Frequently asked questions

### Is AI Email Writer free?

AI Email Writer is free to download, with in-app purchases available.

### Is CubMail free?

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

### Do AI Email Writer or CubMail have ads?

CubMail shows ads; AI Email Writer does not.

### Which is updated more often, AI Email Writer or CubMail?

AI Email Writer ships an update monthly, and CubMail every 2 weeks. Most recently, AI Email Writer was updated on October 31, 2026 and CubMail on October 31, 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.*