DiaryThreads vs Diarium
A sourced comparison between two account-free starts with different entry, platform, sync, and purchase models.
Updated November 5, 2026
Both can start without a dedicated account
DiaryThreads connects unlimited free ordinary writing with replies, quotes, Articles, and private topic histories on iPhone, iPad, and Mac. Diarium stores its database locally, supports personal cloud services for optional sync, and runs across phones and computers.
| Dimension | DiaryThreads | Diarium |
|---|---|---|
| Writing model | Unlimited free ordinary writing, replies, quotes, Articles, Topics, and mobile People mentions | Flexible daily entries with rich text and multiple timestamps |
| Platforms | iPhone, iPad, and Mac | iPhone, iPad, Mac, Android, and Windows |
| Account and storage | No app account; version 1.8 is local-first; verified Premium users can enable private iCloud sync | No Diarium account; local database by default; optional sync through personal cloud storage |
| Media | Paragraphs and lists; up to nine photos, one video, or one recording; Premium file attachments | Photos, drawings, audio, video, files, locations, and other attachments |
| Finding memories | Text and local transcript search, calendar, Topics, mobile People, replies, and quotes | Calendar, timeline, map, gallery, tags, search, and On This Day |
| Context and widgets | Five Premium widget types plus location, State of Mind, and writing context | Widgets plus optional weather, calendar, health, tasks, and other connected context |
| Access model | Unlimited free writing; Monthly, Annual, or Lifetime Premium for advanced capabilities | Free base on mobile and Mac; one-time Pro per platform; Windows is paid with Pro included |
Competitor sources checked: October 19, 2026 · DiaryThreads version checked: November 5, 2026
Who may prefer DiaryThreads
DiaryThreads suits writers who like a private post-style timeline with explicit replies and quotes. Ordinary entries can be any length and the free tier has no entry-count limit.
Topics and mobile People provide private organization; optional Premium iCloud sync connects eligible data across Apple devices.
Who may prefer Diarium
Diarium suits people who want flexible long-form entries, rich attachments, broad platform support, and optional sync through cloud storage they already control.
Its Pro model is a one-time purchase on each platform, with no Diarium account required for sync.
Official sources
Independent comparison. DiaryThreads is not affiliated with or endorsed by Diarium or Timo Partl. Diarium and related marks belong to their respective owners. Official sources checked: .
Questions about this topic
Is DiaryThreads affiliated with Diarium?
This is an independent comparison prepared by the makers of DiaryThreads.
Does Diarium require its own account?
Diarium says no dedicated account is required. The journal database stays local by default, and optional sync uses a supported personal cloud service.
Which app supports Windows and Android?
Diarium supports Windows and Android alongside Apple platforms. DiaryThreads version 1.8 is available on iPhone, iPad, and Mac.