# Aligner Reminder vs Tray Day

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.

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.

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.

## The numbers

| Metric | Aligner Reminder | Tray Day |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/aligner-reminder/id6758906301/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 5 days** |
| Monetization | Freemium | — |
| Size | 3 MB | 5 MB |
| Requires iOS | 26.0 | **18.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Yuto Akiba](https://appshunter.io/developer/1071752429) | [Mark Remi](https://appshunter.io/developer/1053287687) |

## What reviewers say

### Aligner Reminder

[App page](https://appshunter.io/ios/app/aligner-reminder/id6758906301)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $1.99 | per month |
| Pro Yearly | $19.99 | per year |


### Tray Day

[App page](https://appshunter.io/ios/app/tray-day/id6758925767)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Coffee | $2.00 | one-time |
| Large Coffee | $5.00 | one-time |
| Coffee & Pastry | $10.00 | one-time |


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*