# Cytex Authenticator vs AI Email Writer

The clearest difference is in-app purchases: Cytex Authenticator at none against AI Email Writer's 5. Cytex Authenticator also leads on device support (3 vs 1). AI Email Writer's advantage is update cadence (every 2 weeks vs every 8 months). On price, ads and iOS requirement there is nothing between them.

Both are free to download. AI Email Writer sells 5 in-app purchases, starting at $4.99 per 7 days. Cytex Authenticator asks for nothing beyond the download.

Cytex Authenticator ships an update every 8 months, AI Email Writer every 2 weeks. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Cytex Authenticator | AI Email Writer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (10 ratings)](https://appshunter.io/ios/app/ai-email-writer-write-and-reply/id6478599022/reviews)** |
| Number of ratings | — | **10** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 2 weeks** |
| Monetization | — | Subscription |
| Size | 16 MB | 70 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Broadstone Technologies](https://appshunter.io/developer/1182365644) | [INVENTO ONE PRIVATE LIMITED](https://appshunter.io/developer/1601427564) |

## What reviewers say

### Cytex Authenticator

[App page](https://appshunter.io/ios/app/cytex-authenticator/id1538584126)

**In-app purchases:** none


### AI Email Writer

[App page](https://appshunter.io/ios/app/ai-email-writer-write-and-reply/id6478599022)

This AI-powered writing assistant helps you draft emails, master copywriting, brainstorm ideas, and condense text. It's designed for both professionals and students, offering instant content generation and grammar correction.

**Highlights:** Instant content generation, Multiple reply tones, Grammar and spell check, Work and school assistance, Direct sharing options, Easy-to-use interface

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.99 | per 7 days |
| Weekly | $4.99 | per 7 days |
| Monthly Subscription | $9.99 | per month |
| Monthly Subscription | $9.99 | per month |
| Yearly | $39.99 | per year |


## Frequently asked questions

### Is Cytex Authenticator free?

Cytex Authenticator 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 Cytex Authenticator or AI Email Writer have ads?

Neither Cytex Authenticator nor AI Email Writer shows ads.

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

Cytex Authenticator ships an update every 8 months, and AI Email Writer every 2 weeks. Most recently, Cytex Authenticator was updated on November 3, 2026 and AI Email Writer on October 30, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*