Comparison

Daylio Journal vs Aligner Smile Tracker

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Daylio Journal

This app helps you track your moods and activities to improve self-care and mental well-being. It offers a simple way to journal, set goals, and understand your habits through insightful statistics, all while prioritizing your privacy.

Highlights
  • Mood tracking with customizable icons
  • Activity logging
  • Goal setting and habit building
  • Detailed statistics and charts
  • Private journaling without typing
  • Data backup and export options
  • PIN lock for privacy
Features
Read full description

Self-Care Bullet Journal with Goals - Mood Diary & Happiness Tracker Daylio enables you to keep a private journal without having to type a single line. Try this beautifully designed & stunningly simple micro-diary app right now for FREE! ** WHAT IS DAYLIO ** Daylio is a very versatile app, and you can turn it in whatever you need to track. Your fitness goal pal. Your mental health coach. Your food log. Your gratitude diary. Mood tracker. Exercise, meditate, eat, and be grateful. Take care of your mental, emotional, and physical health. Good self-care is a key to improved mood and reduced anxiety. This is the time for your wellbeing, self-improvement, and self-care. Use Daylio as your daily bullet journal. We build it on three principles: 1.) Reach happiness and self-improvement by being mindful of your days. 2.) Validate your hunches. How does your new hobby influence your life? 3.) Form a new habit in an obstacle-free environment—no learning curve. Daylio is super simple to use, create your first entry in two steps. For anxiety and stress relief, make sure to include activities that help you to cope with negativity. Everybody can use a mood boost! You can measure their impact on your mood in stats. ** HOW DOES IT WORK ** Pick your mood and add activities you have been doing during the day. You can also add notes and keep an old school diary. Daylio is collecting recorded moods and activities in the statistics and calendar. This format will help you to understand your habits better. Keep track of your activities and create patterns to become more productive! You can review all entries in the statistics on charts or the calendar and share them with your friends. To make it even better, Daylio allows you: - Make reflection a daily habit - Discover what makes you happy - Use a big database of beautiful icons for your personalized activities - Mix and match your own moods using funny emojis - Explore exciting statistics about your life on weekly, monthly or yearly charts - Deep dive into advanced statistics for every mood, activity or group - Customize color themes - Enjoy nights with dark mode - See your whole year in 'Year in Pixels' - Create daily, weekly or monthly goals and motivate yourself - Build habits and collect achievements - Share statistics with your friends - Safely back up and restore your entries via your private Google Drive - Set reminders and never forget to create a memory - Turn on PIN lock and keep your diary safe - Export PDF and CSV documents to share or print your entries ** PRIVACY AND SECURITY ** We are a top private journal since we do not store or collect your data. At Daylio, we believe in transparency and honesty. Your data is stored locally on your phone. You can optionally schedule backups to your private cloud storage or take your backup file with you anywhere. Data are entirely under your control at all times. Data stored in the app's private directories are not accessible by any other apps or processes. Your backups are transferred to the iCloud Drive via the secure (encrypted) channels. Journaling has never been easier! --- Read our full Terms of Use and our Privacy Policy: Terms of Use: https://daylio.net/faq/terms-of-use/ Privacy Policy: https://daylio.net/faq/privacy-policy/

About

Aligner Smile Tracker

This app helps users stay consistent with their orthodontic aligner treatment. It tracks wear time, monitors progress with photos, and sends helpful reminders to ensure users achieve their desired smile.

Highlights
  • Track aligner wear time
  • Monitor progress photos
  • Set wear time reminders
  • Receive aligner change notifications
  • Create smile transformation videos
  • Log daily aligner usage
Features
Read full description

Aligner Smile Tracker helps you stay consistent throughout your aligner journey and track your smile transformation with ease. Track your aligner wear time, monitor your treatment progress, set smart reminders, capture progress photos, and preview your future smile with AI, all in one beautifully designed app. Whether you’re using Invisalign®, clear aligners, or retainers, Aligner Smile Tracker gives you the tools to stay motivated, organised, and confident throughout your treatment. FEATURES ALIGNER WEAR TIMER Track your daily aligner wear time, monitor how long your aligners have been out, and stay on schedule for the best treatment results. SMART REMINDERS Get helpful reminders to put your aligners back in and notifications when it’s time to switch to your next aligner. AI SMILE STUDIO Preview your future smile using AI-powered smile simulations and visualise your smile transformation before your treatment is complete. APPLE WATCH SUPPORT Start and stop your aligner timer directly from your wrist and keep track of your progress throughout the day. SIRI HANDS-FREE TRACKING Control your aligner timer using Siri shortcuts without opening the app. WIDGETS & LIVE ACTIVITIES View your progress at a glance from your Home Screen, Lock Screen, and Dynamic Island. PRIVATE ICLOUD BACKUP Securely back up and restore your treatment data using your own private iCloud account. Your information stays under your control. SMILE PROGRESS TRACKING Capture selfies and teeth photos to document your smile journey and compare your transformation over time. GALLERY & PROGRESS VIDEOS Organise your progress photos in one place and create progress videos to watch your smile evolve from start to finish. TREATMENT TIMELINE See how many days remain until your next aligner and track your overall progress toward your perfect smile. DETAILED INSIGHTS Track wear scores, streaks, trends, and progress over time to help build consistent aligner habits. Designed for aligner patients who want to stay consistent, motivated, and excited about their smile journey. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Daylio Journal4 screens
Aligner Smile Tracker4 screens

Verdict

The call

The clearest difference is review sentiment: Daylio Journal at 91% against Aligner Smile Tracker's 44%. Daylio Journal also leads on rating (4.8 vs 3.0) and ratings volume (62K vs 2). On price, ads, in-app purchases and monetization model there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Daylio Journal sells 7 in-app purchases, starting at $4.99 per month and Aligner Smile Tracker sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Daylio Journal holds the better App Store score, 4.8 against 3.0. That said, the two scores are not equally well evidenced: Daylio Journal has 62K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 91% of Daylio Journal's written reviews are positive against 44% of Aligner Smile Tracker's.

UpkeepUpdate frequency

Daylio Journal ships an update weekly, Aligner Smile Tracker every 6 weeks. The most recent releases landed on November 1, 2026 and October 29, 2026 respectively.

Scorecard7 real differences · 4 level
Daylio Journal versus Aligner Smile Tracker: the parameters behind the verdict, then further details
ParameterDaylio JournalAligner Smile Tracker
PriceFreeFree
Rating4.8 (62K ratings) — better3.0 (2 ratings)
Positive reviews91.3% of reviews — better43.8% of reviews
Number of ratings62K — better2
Update frequencyWeekly — betterEvery 6 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
Best chart rank#179 — better—
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, Apple Watch
Requires iOS15.0 — better18.0
Further details — not scored
Size250 MB74 MB
Age rating4+4+
DeveloperRelaxio s.r.o.Pocket Pixels LTD

Customer experience

Daylio Journal

All ratings62,283 ratings
Positive95.5%
Neutral2.9%
Negative1.6%
Written reviews2,427 reviews
Positive91.3%
Neutral3.2%
Negative5.4%

Aligner Smile Tracker

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews16 reviews
Positive43.8%
Neutral0.0%
Negative56.3%

Bugs and requests

Daylio Journal

Reported bugs

2 issues
  • Occasional app freezing and notification issues
  • Difficulty restoring data after device change

Requested features

5 requests
  • Add ability to log voice recordings
  • Implement color-coding for activity groups
  • Allow syncing across multiple devices
  • Provide more detailed mood/emotion tracking options
  • Add option to schedule future activities

Aligner Smile Tracker

Not enough reviews yet to summarise bugs or requests.

In-app purchases

7 purchases

Daylio Journal

Subscriptions6
  • Daylio Premium$4.991 Month
  • Daylio Premium7 Days trial$4.991 Month
  • Daylio Premium7 Days trial$17.991 Year
Show 3 more
  • Daylio Premium$17.991 Year
  • Daylio Premium$23.991 Year
  • Daylio Premium7 Days trial$35.991 Year
One-time1
  • PREMIUM$59.99
5 purchases

Aligner Smile Tracker

One-time5
  • Remove Adverts$1.99
  • 3 Credits$2.99
  • 10 Credits$8.99
Show 2 more
  • 25 Credits$19.99
  • Smile Tracker Lifetime$29.99

Questions

Is Daylio Journal free?
Daylio Journal is free to download, with in-app purchases available.
Is Aligner Smile Tracker free?
Aligner Smile Tracker is free to download, with in-app purchases available.
Which has better reviews, Daylio Journal or Aligner Smile Tracker?
Daylio Journal is rated higher. Daylio Journal averages 4.8 out of 5 from 62K ratings, while Aligner Smile Tracker averages 3.0 from 2 ratings.
Do Daylio Journal or Aligner Smile Tracker have ads?
Neither Daylio Journal nor Aligner Smile Tracker shows ads.
Which is updated more often, Daylio Journal or Aligner Smile Tracker?
Daylio Journal ships an update weekly, and Aligner Smile Tracker every 6 weeks. Most recently, Daylio Journal was updated on November 1, 2026 and Aligner Smile Tracker on October 29, 2026.

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