# Proflex ServiceAPP vs AI Email Writer

The clearest difference is in-app purchases: Proflex ServiceAPP at none against AI Email Writer's 3. Proflex ServiceAPP also leads on device support (3 vs 1) and iOS requirement (12.0 vs 18.0). AI Email Writer's advantage is update cadence (monthly vs every 2 months). On price and ads 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. Proflex ServiceAPP asks for nothing beyond the download.

Proflex ServiceAPP ships an update every 2 months, AI Email Writer monthly. The most recent releases landed on October 3, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Proflex ServiceAPP | AI Email Writer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Size | 77 MB | 6 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Dejan Hrastnik](https://appshunter.io/developer/1733054708) | [Phuc Pham](https://appshunter.io/developer/1893081423) |

## What reviewers say

### Proflex ServiceAPP

[App page](https://appshunter.io/ios/app/proflex-serviceapp/id6478504872)

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Proflex ServiceAPP free?

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

### Is AI Email Writer free?

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

### Do Proflex ServiceAPP or AI Email Writer have ads?

Neither Proflex ServiceAPP nor AI Email Writer shows ads.

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

Proflex ServiceAPP ships an update every 2 months, and AI Email Writer monthly. Most recently, Proflex ServiceAPP was updated on October 3, 2026 and AI Email Writer on October 13, 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.*