ArkCentral vs zeitkapsl

ArkCentral

Figure	ArkCentral	zeitkapsl
Price from	—	€1.67/mo
Free plan	—	—
Free trial	Yes	Yes
Open source	—	—
Web	—	Yes
macOS	Yes	—
Linux	—	Yes
iOS	Yes	Yes
Android	—	Yes
Self-hosted	Yes	—
Plans published	2	10
Spec score · Photo Storage Services	8.4 (#12)	7.9 (#46)
Encryption	The technical overview says data is encrypted end-to-end, in transit, and at rest, including AES-256 encryption at rest.	Photos and videos are encrypted on the user's device before upload, and the company says it cannot open them.
Headquarters	Sheridan, Wyoming, United States	Vienna, Austria
Integrations	The product is presented as a private alternative for family chats and photos scattered across services such as WhatsApp, Google Photos, Drive, and iCloud.	The maker describes migration from Google Photos and iCloud, and map visualization using OpenStreetMap.
Privacy	The maker says family data is held on the home device rather than a third-party server, and ArkCentral does not hold messages, files, contacts, or history.	The privacy policy says photos, videos, and most associated metadata are end-to-end encrypted; creation date and aspect ratio are exceptions.
Product	The Ark is a private home device for storing family photos, videos, files, and messages on hardware the buyer owns.	zeitkapsl is an end-to-end encrypted cloud for storing photos and videos.
Support	The company lists [email protected] as its support contact.	Users can contact support at [email protected] and report security issues at [email protected].

ArkCentral has no write-up on Specifiction yet; its figures are above.

zeitkapsl has no write-up on Specifiction yet; its figures are above.