84
BU Score
Excellent
Day One: Daily Journal & Diary
✍️ BU Analytics Review
“
Day One: Daily Journal & Diary is an iOS app from Bloom Built Inc in the Health & Fitness category, currently rated 4.8★ across 116,315 ratings. Initial signal reads as largely positive sentiment, users highlighting consistency and feature depth.
Our BU Score puts it at 84 — Excellent (strong product-market fit). For a Health & Fitness app, that means strong product-market fit.
Track changes month-over-month in the Performance section below — live snapshot history and revenue forecast included.
creator
📊 Performance Tracking LIVE
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Rating
—
Reviews
—
Forecast Revenue / mo
—
Snapshots tracked
0
since first record
Range:
💰 Forecast Revenue / mo
MODELRevenue forecast computed from BU's 234 trigger model on each snapshot. Calibrated against ground-truth from 58 verified-revenue apps.
🔬Forecast Breakdown — Why This Estimate?Top 14 of 14 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| High install base (116,315 ratings)METRIC | +$12,000 | |
| premiumREVIEW | +$2,200 | |
| Excellent rating (4.8★)METRIC | +$2,200 | |
| worth every pennyREVIEW | +$2,000 | |
| bugsREVIEW | −$1,800 | |
| 5 starREVIEW | +$1,800 | |
| cancelledREVIEW | −$1,500 | |
| excellent appREVIEW | +$1,500 | |
| Mature app (10y old)METRIC | +$1,500 | |
| Multilingual (26 languages)METRIC | +$1,500 | |
| highly recommendREVIEW | +$1,400 | |
| slowREVIEW | −$1,200 | |
| free trialREVIEW | +$1,200 | |
| Ad-supported / freemiumMETRIC | +$600 |
METRIC = structural app data · REVIEW = mined from user reviews · ✓ VERIFIED = Stripe-verified anchor (TrustMRR)
📈 Reviews Growth
LIVECumulative review count from first BU snapshot. Each point = a tracked update.
💚Sentiment Over Time↑ green = positive · ↓ red = negative
Jun 25
Jul 25
Aug 25
Sep 25
Oct 25
Nov 25
Dec 25
Jan 26
Feb 26
Mar 26
Apr 26
May 26
⭐ Rating Trend
LIVEAverage rating evolution. Updates with each new review batch.
🗓️ Snapshot Timeline
HISTORYEach bar shows a tracked update and the metric delta from the previous snapshot.
App Specs
🔐 Own this app? Claim & verify MRR →💾 183 MB🔞 4+📱 iOS 18.0+🔖 v2026.10🔄 updated 2d ago🌐 AR, CS, DA, NL, EN +21📂 Health & Fitness💰 Paid🚀 Launched 2016 (10y old)
📝 About this app
Apple’s App of the Year with over 15 million downloads and 200,000 5-star ratings globally, Day One has reinvented journaling, letting you record your life as you live it. Securely save audio, video, photos, notes, and more wherever you are, whenever you want.
“Day One creates something so rare it feels almost sacred: A completely private digital space.” – New York Times
“Day One makes keeping a journal delightfully easy.” – Wired
WHY DAY ONE?
Day One is the original digital journal app. A decade of updates and feature additions make it the most private, trusted, and easiest-to-use journaling app in the world.
SIMPLE TO USE, EASY TO LOVE
• Beautiful, award-winning design
• Unlimited text entries
• Powerful rich text formatting with markdown
• Different journals for every aspect of your life*
PRIVATE AND SECURE
• Automatic backups keep your journal entries safe
• End-to-end encryption, which is a fancy way of saying your entries are 100% private
• Journal entries stay secure with passcode, TouchID, or FaceID
• Export options (pdf, plain text, etc.) ensure your entries always stay yours
FORM A HABIT & STAY CONSISTENT
• Streaks and calendar view help keep your momentum going
• Programmable reminders through text message or phone notifications
• Unique, daily journal prompts help eliminate writer’s cramp
• Customizable templates save time and add organization to entries
• Today view provides a summary of where you’ve been and what you’ve done
• Integrates with the Health app to track mindfulness minutes
MORE THAN WORDS
• Unlimited photos and video*
• Auto-importer for your Instagram posts*
• Handwritten entries or drawings*
• Voice recording and transcription*
JOURNAL FROM WHEREVER, WHENEVER
• Cross-platform apps available on iPhone, Apple Watch, iPad, and Mac
• The ability to text or email entries straight to your journal
BUILT FOR REMINISCING
• On This Day feature allows you to revisit past memories
• Tags, favorites, and search filters make it easy to find what you’re looking for
• Map view quickly shows all the places you’ve journaled from
• Print capabilities turn your digital journal into a premium physical book
TYPE LESS, PRESERVE MORE
• Time, date, weather, moon phase, and more are automatically added to every entry
• IFTTT applets allow importing data from Spotify, YouTube, Strava, Fitbit, Facebook, Twitter, and more
• Siri Shortcuts provides a powerful way to automate more of your journaling
• Share sheet allows you to add content from other apps, like Apple Photos and Safari
*Day One is FREE to use forever with unlimited entries. Additional features, including unlimited photos, videos, and audio recordings are available with a Day One Premium membership.
Start a free trial today.
Privacy Policy: https://dayoneapp.com/privacy-policy/
Terms of Use: https://dayoneapp.com/terms-of-use/
For technical assistance or other inquiries: https://dayoneapp.com/contact/
“Day One creates something so rare it feels almost sacred: A completely private digital space.” – New York Times
“Day One makes keeping a journal delightfully easy.” – Wired
WHY DAY ONE?
Day One is the original digital journal app. A decade of updates and feature additions make it the most private, trusted, and easiest-to-use journaling app in the world.
SIMPLE TO USE, EASY TO LOVE
• Beautiful, award-winning design
• Unlimited text entries
• Powerful rich text formatting with markdown
• Different journals for every aspect of your life*
PRIVATE AND SECURE
• Automatic backups keep your journal entries safe
• End-to-end encryption, which is a fancy way of saying your entries are 100% private
• Journal entries stay secure with passcode, TouchID, or FaceID
• Export options (pdf, plain text, etc.) ensure your entries always stay yours
FORM A HABIT & STAY CONSISTENT
• Streaks and calendar view help keep your momentum going
• Programmable reminders through text message or phone notifications
• Unique, daily journal prompts help eliminate writer’s cramp
• Customizable templates save time and add organization to entries
• Today view provides a summary of where you’ve been and what you’ve done
• Integrates with the Health app to track mindfulness minutes
MORE THAN WORDS
• Unlimited photos and video*
• Auto-importer for your Instagram posts*
• Handwritten entries or drawings*
• Voice recording and transcription*
JOURNAL FROM WHEREVER, WHENEVER
• Cross-platform apps available on iPhone, Apple Watch, iPad, and Mac
• The ability to text or email entries straight to your journal
BUILT FOR REMINISCING
• On This Day feature allows you to revisit past memories
• Tags, favorites, and search filters make it easy to find what you’re looking for
• Map view quickly shows all the places you’ve journaled from
• Print capabilities turn your digital journal into a premium physical book
TYPE LESS, PRESERVE MORE
• Time, date, weather, moon phase, and more are automatically added to every entry
• IFTTT applets allow importing data from Spotify, YouTube, Strava, Fitbit, Facebook, Twitter, and more
• Siri Shortcuts provides a powerful way to automate more of your journaling
• Share sheet allows you to add content from other apps, like Apple Photos and Safari
*Day One is FREE to use forever with unlimited entries. Additional features, including unlimited photos, videos, and audio recordings are available with a Day One Premium membership.
Start a free trial today.
Privacy Policy: https://dayoneapp.com/privacy-policy/
Terms of Use: https://dayoneapp.com/terms-of-use/
For technical assistance or other inquiries: https://dayoneapp.com/contact/
🆕 What's New · v2026.10
- Introducing Apple Journal Import — Bring your existing Apple Journal entries into Day One.
- Fixed the hashtag picker appearing empty when tapped in the editor.
- Fixed Daily Chat preview text on the Today tab.
- Stability and performance improvements.
Learn more at dayoneapp.com/releases
- Fixed the hashtag picker appearing empty when tapped in the editor.
- Fixed Daily Chat preview text on the Today tab.
- Stability and performance improvements.
Learn more at dayoneapp.com/releases
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Day One: Daily Journal & Diary
- Developer
- Bloom Built Inc
- Bundle ID
- com.bloombuilt.dayone-ios
- App Store URL
- Open in App Store
- Category
- Health & Fitness
- Content rating
- 4+
- Languages
- AR, CS, DA, NL, EN, FI, FR, DE, HE, HI, HU, ID, IT, JA, KO, NB, FA, PL, PT, RU, ZH, ES, SV, ZH, TR, VI
Company
- Website
- Not found
- Tagline
- Your journal for life.
- Description
- The award-winning journal app for capturing life as you live it. Free to download on iPhone, Android, iPad, and Mac. Now available on the web.
- Founded
- Not found
- HQ / Address
- Not found
- Employees
- Not found
- Logo
- OG image
Revenue
- Verified revenue / mo
- Not found
- AI revenue estimate / mo
- $350.0K ($300.0K – $400.0K)AI medium
- AI annual estimate
- $4.2M/yr
- ML model estimate / mo
- $32.6K/mo
- Top-grossing rank
- 🇯🇵#44 /100 🇺🇸#83 /100
- All-time revenue
- Not found
- Pricing
- Not found
Founder
- Name
- Not found
- X / Twitter
- https://twitter.com/AliAbdaal
- https://www.linkedin.com/company/day-one-app/
- GitHub
- Not found
- X followers
- Not found
- Public statements
- Not found
Funding
- Total raised
- Not found
- Last round
- Not found
- Investors
- Not found
- Crunchbase
- Not found
- AngelList
- Not found
Press & Links
- Articles found
- Not found
- Listed on
- Not found
- Blog
- https://dayoneapp.com/blog/
- Press / News
- Not found
Contacts & Socials
- Socials
- facebook · instagram · linkedin · twitter
- Not found
- Phone
- Not found
- Contact page
- https://dayoneapp.com/contact/
- About page
- https://dayoneapp.com/about/
✨AI Revenue EstimateCONFIDENCE: MEDIUM
The iOS app "Day One: Daily Journal & Diary" is estimated to generate between $300,000 and $400,000 in monthly revenue. This leads to an estimated annual revenue of $3.6 million to $4.8 million. A mid-point estimate for monthly revenue is $350,000, resulting in an annual estimate of $4.2 million.
Sources mentioned: Sensor Tower, Adapty, Owler, Growjo, Reddit
⭐Recent App Store Reviews49 latest · avg 3.51★ · 53.1% 5★ · 24.5% 1★
5★26 (53%)
4★3 (6%)
3★2 (4%)
2★6 (12%)
1★12 (24%)
+0 ratings/week
Praise: love ×11 great ×7 favorite ×5 best ×5 perfect ×1Complaints: subscription ×3 expensive ×2 crash ×2 bug ×2 terrible ×1
Top positive
★★★★★ Best Daily Journaling Tool
Have been using Day One for a number of years and it has been a very useful tool in capturing my thoughts and events in my life. It has enough features to make it most useful without overwhelming you to the point of paralysis. The ability…
★★★★★ 12 years of satisfaction
Day One has been a constant companion for over 12 years. It is an easy way to document life, observe trends, save photo memories and process this human experience. It just keeps improving.…
Top negative
★☆☆☆☆ AI reading entries! Why? Since when??!?
Private features gone after 3.5 year streak break .…
★☆☆☆☆ App crashes. Can’t use it
The app crashes 2 seconds after I open it. Only started happening after the latest update. Never had an issue before.…
📈Ratings growth116,315 ratings+26% lifetimeShow 3-year history estimate ▾
Tracked (36 weeks) Pre-tracking estimate (34 weeks) · model-based, ±5% noise · anchored to release date and current value
🗺️Geographic Distribution●Top 10●Top 30●Top 60
🌍Top Countries — Grossing Rank2 countries
🇯🇵JP#44 /100
🇺🇸US#83 /100
📊Category Rank Trajectory#44 now · best #39 · worst #100
Lower line = better rank · Estimate from ratings growth model · Lower position on chart = worse rank · Higher = top of chart
🚀Version Release Timeline2 releases tracked
Profile is built from iTunes Lookup + developer site scrape + ML revenue model. Empty fields show "Not found" — additional sources (Crunchbase, X, IndieHackers, Acquire.com) coming.
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