---
lang: en
title: Fastmail vs Kisi
canonical: "https://saasspecs.com/fastmail-vs-kisi/"
hvce_version: 1
tenant: saasspecs
slug: fastmail-vs-kisi
record_kind: comparison
content_sha256: 5e53bba6c0ccfb6f23d319da31e56723df0a159ab48c4523625b11ffc9050e40
indexed_at: "2026-07-05T09:03:45.274Z"
license: citation-free
entities:
  -
    role: a
    slug: fastmail
    name: Fastmail
    type: Thing
    profile_url: "https://saasspecs.com/item/fastmail/?format=md"
  -
    role: b
    slug: kisi
    name: Kisi
    type: Thing
    profile_url: "https://saasspecs.com/item/kisi/?format=md"
---
# Fastmail vs Kisi

## Pair

- **A**: Fastmail
- **B**: Kisi

## Entity A

- **Title**: [Fastmail](https://saasspecs.com/item/fastmail/?format=md)
- **Deployment Link**: [Deploy Fastmail Stack Layer](https://partnerstack.com/placeholder/fastmail)

### Summary

Fastmail is a privacy-focused email hosting service with advanced email management and custom domain support.

### Description

Fastmail provides encrypted email hosting with a focus on privacy, security, and control. It offers custom domain support, advanced filtering, and calendar/contacts management. It's designed for individuals and small businesses who prioritize email privacy and want to own their email infrastructure.

### Attributes

- **Free Plan**: No
- **Starting Price**: 5 USD/mo
- **Storage (Standard Plan)**: 100 GB
- **Custom Domains Supported**: Yes
- **End-to-End Encryption**: Yes
- **Alias Addresses**: Unlimited

## Entity B

- **Title**: [Kisi](https://saasspecs.com/item/kisi/?format=md)
- **Deployment Link**: [Deploy Kisi Stack Layer](https://partnerstack.com/placeholder/kisi)

### Summary

Kisi is a cloud-based access control and visitor management platform for modern offices and buildings.

### Description

Kisi provides keyless entry, access control, and visitor management through mobile apps and web dashboards. It's designed for offices, coworking spaces, and facilities that need to manage employee and visitor access securely without traditional locks and keys.

### Attributes

- **Free Plan**: Yes
- **Starting Price**: 99 USD/mo
- **Mobile Access Control**: Yes
- **Visitor Management**: Yes
- **Cloud-Based**: Yes
- **API Available**: Yes

## Comparison context

This comparison covers the following catalog entities:

- [Fastmail](https://saasspecs.com/item/fastmail/?format=md) (a)
- [Kisi](https://saasspecs.com/item/kisi/?format=md) (b)