Cytex Authenticator vs Stamp Mail
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Cytex Authenticator
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Cytex provides support for multifactor authentication (MFA) for registered Cytex users. MFA is required to be turned on by almost all enterprise IT departments. Cytex Authenticator protects Cytex users with simple, powerful, access security by using multi-factor authentication. Cytex Secure is the part of the Zero Trust Network Architecture (ZTNA) offering by Cytex. Using a cryptographically secure protocol (Wireguard), Cytex enables users to create secure peer to peer connections between devices without relying on antiquated VPNs. Cytex2FA provides the identity management piece of the ZTNA.
Stamp Mail
This AI-powered email client automates tasks like drafting replies, prioritizing messages, and extracting to-dos. It offers an agent to retrieve information and reorganize your inbox using plain English commands. A special mode allows quick review and approval of automated changes.
- Automated email drafting
- Email prioritization
- To-do extraction
- Email summarization
- Information retrieval via AI agent
- Inbox reorganization
- Approve/reject agent changes
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Stamp is the AI Email Client that handles your emails for you. Stamp can automatically draft replies, prioritize important emails, extract todos, generate summaries, and more! With Stamp Agent, you can retrieve important information, reorganize your inbox, or perform any other action in plain English. What's more, with Stamp Mode you can quickly swipe through changes the agent made while you were gone, approving or rejecting them. Get started today, and experience what it's like to have your own AI personal secretary. Privacy Policy: https://www.stampmail.ai/privacy Terms of Use: https://www.stampmail.ai/tos
Screenshots
Verdict
The clearest difference is in-app purchases: Cytex Authenticator at none against Stamp Mail's 4. Stamp Mail's advantage is update cadence (weekly vs every 8 months). On price, ads, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Stamp Mail sells 4 in-app purchases, starting at $20.00 per month. Cytex Authenticator asks for nothing beyond the download.
Cytex Authenticator ships an update every 8 months, Stamp Mail weekly. The most recent releases landed on October 13, 2026 and October 15, 2026 respectively.
| Parameter | Cytex Authenticator | Stamp Mail |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (3 ratings) — better |
| Number of ratings | — | 3 — better |
| Update frequency | Every 8 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 16 MB | 76 MB |
| Age rating | 4+ | 4+ |
| Developer | Broadstone Technologies | Stamp AI |
In-app purchases
Cytex Authenticator
No in-app purchases
Stamp Mail
- Stamp Individual (Monthly)7 Days trial$20.001 Month
- Stamp Business (Monthly)7 Days trial$50.001 Month
- Stamp Individual (Annual)7 Days trial$191.991 Year
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- Stamp Business (Annual)7 Days trial$479.991 Year
Questions
Is Cytex Authenticator free?
Is Stamp Mail free?
Do Cytex Authenticator or Stamp Mail have ads?
Which is updated more often, Cytex Authenticator or Stamp Mail?
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