# Cytex Authenticator vs AI Writeon

The clearest difference is in-app purchases: Cytex Authenticator at none against AI Writeon's 1. AI Writeon's advantage is iOS requirement (12.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. AI Writeon sells 1 in-app purchase, starting at $3.99 per month. Cytex Authenticator asks for nothing beyond the download.

Cytex Authenticator ships an update every 8 months, AI Writeon every 13 months. The most recent releases landed on September 10, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Cytex Authenticator | AI Writeon |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 8 months** | Every 13 months |
| Size | 16 MB | 43 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Broadstone Technologies](https://appshunter.io/developer/1182365644) | [Svitlana Skibа](https://appshunter.io/developer/1678778094) |

## What reviewers say

### Cytex Authenticator

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

**In-app purchases:** none


### AI Writeon

[App page](https://appshunter.io/ios/app/ai-writeon/id6446998285)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One month subscription | $3.99 | per month |


## Frequently asked questions

### Is Cytex Authenticator free?

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

### Is AI Writeon free?

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

### Do Cytex Authenticator or AI Writeon have ads?

Neither Cytex Authenticator nor AI Writeon shows ads.

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

Cytex Authenticator ships an update every 8 months, and AI Writeon every 13 months. Most recently, Cytex Authenticator was updated on September 10, 2026 and AI Writeon on September 16, 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.*