Comparison

Aligner vs Smilo

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

Head to head
About

Aligner

This app helps you adhere to your orthodontist's prescribed clear aligner wear time of 20-22 hours daily. It allows for easy tracking of aligner in and out times, monitors progress towards daily goals, and reminds you when to switch trays. You can also log pain and take progress photos.

Highlights
  • One-tap aligner wear tracking
  • Tray change reminders and tracking
  • Daily wear time progress monitoring
  • Pain logging by area
  • Progress photo organization
  • Manual session editing
Features
Read full description

TrackMyAligners helps you wear your clear aligners the way your orthodontist planned: 20–22 hours a day, tray after tray. It works with Invisalign, ClearCorrect, Spark, and any other aligner brand. ONE TAP TO TRACK Tap when your aligners come out, tap when they go back in. See today's wear time, your progress toward your daily goal, and how many hours are left. Forgot to tap? Add or edit a session by hand. KNOW WHEN TO SWITCH TRAYS Enter how many aligners you have and how often you change them. The app shows which aligner you're on, which day of it, and when the next change is due, and it adjusts if you switch early or late. REMINDERS THAT HELP Get a nudge 45 minutes after you take your aligners out, a reminder on tray change day, and optional daily check-ins. SEE YOUR PROGRESS • A calendar that marks every day you hit your goal • Daily statistics and streaks • A pain log by area, handy for your next check-up • Front, left, and right progress photos, organized by aligner PRO (OPTIONAL SUBSCRIPTION) • Weekly and monthly insights into your habits • Unlimited daily progress photos • No ads PRIVATE BY DESIGN No sign-up needed. Your treatment data is stored on your iPhone, and you can back it up with Sign in with Apple to restore it on a new device. Progress photos are never uploaded. Analytics are sent only if you allow them, and you can delete your account and data anytime in Settings. Available in English, Turkish, German, Spanish, Italian, and Arabic. TrackMyAligners is a tracking tool, not a medical device, and does not give medical advice. Always follow your orthodontist's instructions. Terms of Use: https://trackmyaligners-web.vercel.app/terms.html Privacy Policy: https://trackmyaligners-web.vercel.app/privacy.html

About

Smilo

Track your clear aligner or retainer wear time with a simple timer. Monitor daily progress, receive reminders, and view historical data. Offers features for cleaning routines and treatment progress.

Highlights
  • Daily wear timer with hours worn
  • Put-back reminders
  • Daily routine checklist
  • Weekly compliance chart
  • Estimated finish date
  • Progress photo vault (Pro)
  • Home/Lock Screen widgets (Pro)
Features
Read full description

Smilo is a simple wear timer for clear aligners and retainers. Tap when your trays come out, tap when they go back in, and see today's hours next to your daily goal. The timer is free, with no ads and no login required. Open the app and start it. FREE • Daily wear timer with hours worn and time left today • Smilo Score, one number that sums up your day • A countdown to your next tray, plus a reminder at 9 AM on switch day • Put-back reminders. Tap Remind Me when your trays come out and pick 15 min, 30 min, 1 hr or after a meal • A daily routine checklist for cleaning your aligners, brushing, flossing and elastics • A weekly chart, your compliance, the last 5 weeks and a timeline of your trays • Estimated finish date from your tray plan • Streaks and badges • Streak saver. If one day a week comes in under your goal, your streak stays • A Sunday recap of your week's hours and best day, with a card you can share • A guided brush timer, 2 minutes with 30 seconds per zone SMILO PRO These features need a Smilo Pro subscription and are marked PRO in the app. • PRO: Progress photo vault for your aligner photos • PRO: Photo compare, two trays side by side • PRO: Whitening tracker for logging your sessions • PRO: Weekly insights • PRO: The full SmileMax Report • PRO: Home Screen and Lock Screen widgets for wear time, tray days left and your streak • PRO: A Lock Screen timer that counts up while your trays are out HOW IT WORKS 1. Add your daily wear goal, for example 22 hours, and your tray plan. Use the numbers your orthodontist or aligner provider gave you. 2. Tap when your trays come out to eat or drink. Pick a reminder if you want one. 3. Tap again when they go back in. Check your hours, streak and Smilo Score whenever you like. Your estimated finish date comes from your tray plan. It's only an estimate. Your orthodontist or aligner provider decides when treatment ends. Works with any clear aligner or retainer. PRICING Smilo is free to download and the timer stays free. Smilo Pro costs $9.99 a month or $59.99 a year in the US, and eligible new subscribers start with 7 days free. Prices can vary by country and are shown in the app before you pay. Smilo Pro is a subscription that renews automatically. Payment is charged to your Apple Account when you confirm the purchase. If you start a free trial, you're charged when the trial ends unless you cancel at least 24 hours before it ends. The subscription renews unless you cancel at least 24 hours before the end of the current period. You can manage or cancel it any time in your Apple Account settings. Terms of Use: https://blackboxx.info/terms Privacy Policy: https://blackboxx.info/privacy Smilo is a tracking tool. It doesn't give medical or dental advice. Always follow your orthodontist's or aligner provider's instructions.

Screenshots

Aligner4 screens
Smilo4 screens

Verdict

The call

The clearest difference is ads: Smilo at none against Aligner's shown. Smilo also leads on rating (4.4 vs 4.2). Aligner's advantage is iOS requirement (16.4 vs 18.0). On price, review sentiment, ratings volume and update cadence 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. Aligner sells 7 in-app purchases, starting at $2.99 per month and Smilo sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Smilo holds the better App Store score, 4.4 against 4.2. Both are backed by a comparable volume of ratings — 18 and 8 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

Aligner ships an update every 2 weeks, Smilo fortnightly. The most recent releases landed on November 9, 2026 and November 5, 2026 respectively.

Scorecard3 real differences · 7 level
Aligner versus Smilo: the parameters behind the verdict, then further details
ParameterAlignerSmilo
PriceFreeFree
Rating4.2 (18 ratings)4.4 (8 ratings) — better
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings18 — better8
Update frequencyEvery 2 weeks — betterFortnightly
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.4 — better18.0
Further details — not scored
Size69 MB17 MB
Age rating4+4+
DeveloperUgur YuceBlack Boxx LLC

Customer experience

Aligner

All ratings18 ratings
Positive83.3%
Neutral0.0%
Negative16.7%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Smilo

All ratings8 ratings
Positive87.5%
Neutral0.0%
Negative12.5%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

7 purchases

Aligner

Subscriptions5
  • Monthly Subscription7 Days trial$2.991 Month
  • Premium – Monthly3 Days trial$4.991 Month
  • Premium – 3 Months$12.993 Months
Show 2 more
  • Semi-Annually Subscription6 Months trial$14.996 Months
  • Premium – Semi-Annual$17.996 Months
One-time2
  • Premium Lifetime$29.99
  • Lifetime Premium$29.99
2 purchases

Smilo

Subscriptions2
  • Smilo Pro Monthly7 Days trial$9.991 Month
  • Smilo Pro Yearly7 Days trial$59.991 Year

Questions

Is Aligner free?
Aligner is free to download, with in-app purchases available.
Is Smilo free?
Smilo is free to download, with in-app purchases available.
Which has better reviews, Aligner or Smilo?
Smilo is rated higher. Aligner averages 4.2 out of 5 from 18 ratings, while Smilo averages 4.4 from 8 ratings.
Do Aligner or Smilo have ads?
Aligner shows ads; Smilo does not.
Which is updated more often, Aligner or Smilo?
Aligner ships an update every 2 weeks, and Smilo fortnightly. Most recently, Aligner was updated on November 9, 2026 and Smilo on November 5, 2026.

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