Comparison

Aligner Reminder vs Tray Day

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

Head to head
About

Aligner Reminder

This app helps you manage your clear aligner treatment with daily wear reminders and tracking. It supports Live Activities for at-a-glance status updates on your home or lock screen, ensuring consistent adherence to your treatment plan.

Highlights
  • Daily wear management
  • Wear and removal reminders
  • Live Activities for status updates
  • Aligner change tracking
  • Detailed statistics (Pro)
  • Customizable notifications (Pro)
  • iCloud backup (Pro)
Features
Read full description

This is a reminder app designed to help you stay consistent with your clear aligner treatment. With a simple and intuitive UI, it supports your daily wear management. To prevent forgetting to wear or remove your aligners, the app supports Live Activities. You can check your current wear status directly on your Home Screen or Lock Screen. Free Features - Wear timer - Basic reminder notifications - Aligner change tracking - Live Activity display Pro Plan (Subscription Required) - Detailed statistics and data insights - Customizable advanced notifications - iCloud backup The Pro Plan is an auto-renewable subscription with a 7-day free trial. You can choose between a monthly or yearly plan. After the free trial ends, the selected subscription fee will be charged automatically unless canceled. Build a consistent daily routine and stay on track with your treatment plan. Terms of Service: https://aligner.touyu.me/terms Privacy Policy: https://aligner.touyu.me/privacy

About

Tray Day

Features
Read full description

TrayDay makes it easy to stay on track with your aligner treatment. No more wondering which tray you’re on or when to switch. Enter your schedule once, and TrayDay keeps everything updated automatically — including a handy Home Screen widget so your progress is always visible. With TrayDay you can: • Track your current tray and next change • See your treatment progress at a glance • Get a simple countdown to your next tray • Keep your smile journey organized Simple. Clear. Reliable. Just open, check, and keep moving forward. TrayDay is free to use. Optional tips are available to support development.

Screenshots

Aligner Reminder3 screens
Tray Day4 screens

Verdict

The call

The clearest difference is update cadence: Tray Day at every 5 days against Aligner Reminder's monthly. Tray Day also leads on iOS requirement (18.0 vs 26.0). On price, ads, in-app purchases and device support 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 Reminder sells 2 in-app purchases, starting at $1.99 per month and Tray Day sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Aligner Reminder ships an update monthly, Tray Day every 5 days. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

Scorecard2 real differences · 8 level
Aligner Reminder versus Tray Day: the parameters behind the verdict, then further details
ParameterAligner ReminderTray Day
PriceFreeFree
Rating1.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyMonthlyEvery 5 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhoneiPhone
Requires iOS26.018.0 — better
Further details — not scored
Size3 MB5 MB
Age rating4+4+
DeveloperYuto AkibaMark Remi

In-app purchases

2 purchases

Aligner Reminder

Subscriptions2
  • Pro Monthly7 Days trial$1.991 Month
  • Pro Yearly7 Days trial$19.991 Year
3 purchases

Tray Day

One-time3
  • Small Coffee$2.00
  • Large Coffee$5.00
  • Coffee & Pastry$10.00

Questions

Is Aligner Reminder free?
Aligner Reminder is free to download, with in-app purchases available.
Is Tray Day free?
Tray Day is free to download, with in-app purchases available.
Do Aligner Reminder or Tray Day have ads?
Neither Aligner Reminder nor Tray Day shows ads.
Which is updated more often, Aligner Reminder or Tray Day?
Aligner Reminder ships an update monthly, and Tray Day every 5 days. Most recently, Aligner Reminder was updated on October 28, 2026 and Tray Day on October 25, 2026.

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