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Head-to-head · Journal Apps

Day One vs Diarly

  • Updated Oct 2026
  • Both researched from official sources
  • 6 checks side by side
Higher score Day One #1 in Journal Apps 9.4/10 Free plan · 30-day trial Free planFree trial✓ 5 of 5 features Visit Day One
Diarly #5 in Journal Apps 8.9/10 Free plan · 7-day trial Free planFree trial✓ 5 of 5 features Visit Diarly

Day One leads on 0 checks, Diarly on 0, and 6 are even. Who comes out ahead on the 6 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreDay One · 9.4/10
  • Free planboth
  • Free trialboth

Day One scores higher on our rubric for journal apps: 9.4 against 8.9 out of 10; our editors rank them #1 and #5.

Day One is the better fit for most people wanting a full-featured journal. Diarly is the better fit for privacy-focused Apple and mobile journaling.

  • Day One fits best

    Most people wanting a full-featured journal

  • Diarly fits best

    Privacy-focused Apple and mobile journaling

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Day One 9.4/10 Visit ↗ Diarly 8.9/10 Visit ↗
At a glance
Editor score 9.4 8.9
Ranking #1 in Journal Apps #5 in Journal Apps
Best for Most people wanting a full-featured journal Privacy-focused Apple and mobile journaling
Pricing model Free plan + paid Free plan + paid
Starting price $49.99/yr —
Free plan ✓ ✓
Free trial 30 days 7 days
Free trial length 30 days 7 days
Deployment Cloud, Desktop, Mobile, Browser extension Cloud, Desktop, Mobile
Platforms Web, Windows, macOS, iOS, Android, Chrome extension macOS, iOS, Android
Support Email, Community, Docs Email, Docs
Integrations 3 integrations 5 integrations
Built for Solo, Small business Solo, Small business
Features Day One 5/5 · Diarly 5/5
Media attachments ✓ ✓
Offline access ✓ ✓
Privacy lock ✓ ✓
End-to-end encryption ✓ ✓
Search and filters ✓ ✓
Specs
Export formats Multiple Multiple
Platform coverage All Not checked yet
Our review
Pros
  • End-to-end encryption, passcode protection, and biometric lock
  • Works across web, desktop, mobile, and browser extensions
  • Supports rich media, offline editing, search, filters, and exports
  • Offline editing with iCloud sync across Apple devices
  • Rich attachments, Markdown, search, tags, and multiple views
  • Password protection, biometric unlocking, and encryption options
Cons
  • Cross-device journaling is limited to the Silver plan and above
  • Unlimited photos and videos require a paid plan
  • AI reflection tools are limited to the Gold plan
  • Pricing varies by region, complicating direct cost comparison
  • Advanced AI capabilities are separated into the Monthly AI+ plan
  • Apple-centered features may suit Apple users better than Android-first users
Our verdict

Day One is a digital journaling app for recording thoughts, memories, and daily experiences. It supports text entries alongside photos, video, audio, drawings, documents, location context, prompts, reminders, and streaks. Its platform…

Read the review →

Diarly is a digital journal and diary app from PureForm Studio for people who want private, structured journaling across Apple devices and mobile platforms. It supports daily entries and notes, Markdown editing, mood tracking, reminders,…

Read the review →
  1. Day OneJournal Apps 9.4Free plan · 30-day trial
  2. DiarlyJournal Apps 8.9Free plan · 7-day trial

Strengths and trade-offs

  • Day One — where it wins

    • End-to-end encryption, passcode protection, and biometric lock
    • Works across web, desktop, mobile, and browser extensions
    • Supports rich media, offline editing, search, filters, and exports

    Where it doesn't

    • Cross-device journaling is limited to the Silver plan and above
    • Unlimited photos and videos require a paid plan
    • AI reflection tools are limited to the Gold plan
  • Diarly — where it wins

    • Offline editing with iCloud sync across Apple devices
    • Rich attachments, Markdown, search, tags, and multiple views
    • Password protection, biometric unlocking, and encryption options

    Where it doesn't

    • Pricing varies by region, complicating direct cost comparison
    • Advanced AI capabilities are separated into the Monthly AI+ plan
    • Apple-centered features may suit Apple users better than Android-first users
  • Day One9.4/10 · Free plan · 30-day trial

    A broad, privacy-focused journal with a strong free tier and richer paid features.

    Visit Day OneFull verdict →
  • Diarly8.9/10 · Free plan · 7-day trial

    A privacy-focused journal with rich media, offline editing, and strong Apple integration.

    Visit DiarlyFull verdict →

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update