# AI Email Writer | Mail Master vs Servicity

The clearest difference is update cadence: Servicity at fortnightly against AI Email Writer | Mail Master's every 3 months. AI Email Writer | Mail Master's advantage is iOS requirement (12.4 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. AI Email Writer | Mail Master sells 2 in-app purchases, starting at $4.99 per 7 days and Servicity sells 3 in-app purchases, starting at $11.99 per month. Whichever you choose, the download price is not the number that matters.

AI Email Writer | Mail Master ships an update every 3 months, Servicity fortnightly. The most recent releases landed on October 12, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | AI Email Writer | Mail Master | Servicity |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Size | 20 MB | 129 MB |
| Requires iOS | **12.4** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Arda Emin Cimen](https://appshunter.io/developer/1652033405) | [Onuoha Paul Chikadibia](https://appshunter.io/developer/1810988585) |

## What reviewers say

### AI Email Writer | Mail Master

[App page](https://appshunter.io/ios/app/ai-email-writer-mail-master/id6738405696)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pro Plan | $4.99 | per 7 days |
| Annual Pro Plan | $29.99 | per year |


### Servicity

[App page](https://appshunter.io/ios/app/servicity/id6745146304)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic | $11.99 | per month |
| Pro | $19.99 | per month |
| Premium | $25.99 | per month |


## Frequently asked questions

### Is AI Email Writer | Mail Master free?

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

### Is Servicity free?

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

### Do AI Email Writer | Mail Master or Servicity have ads?

Neither AI Email Writer | Mail Master nor Servicity shows ads.

### Which is updated more often, AI Email Writer | Mail Master or Servicity?

AI Email Writer | Mail Master ships an update every 3 months, and Servicity fortnightly. Most recently, AI Email Writer | Mail Master was updated on October 12, 2026 and Servicity on October 15, 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.*