Tray Day vs Alignly
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Tray Day
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TrayDay makes it easy to stay on track with your aligner treatment. No more wondering which tray youβre on or when to switch. Enter your schedule once, and TrayDay keeps everything updated automatically β including a handy Home Screen widget so your progress is always visible. With TrayDay you can: β’ Track your current tray and next change β’ See your treatment progress at a glance β’ Get a simple countdown to your next tray β’ 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.
Alignly
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Alignly helps you keep up your clear-aligner routine. - Track out-time with one tap when your aligners come out and go back in. - See how much out-time you have left today on a simple Status Ring. - Get escalating reminders while your aligners are out, plus a Sleep Guard and a tray-change reminder. - Follow your own tray schedule and mark tray changes or extra days. - Save the instruction your orthodontist gave you - Alignly shows it back to you as your own note when you need it. - Add progress photos and compare them over time. - Switch to retainer mode - including a wear goal for a part-time retainer. - Export a clean, doctor-ready PDF report and share it from your phone. Private by design: no account, no backend, no ads, no analytics. Your data stays on your device. Alignly records facts and reminders about your routine. It does not give medical advice or diagnose anything - always follow your orthodontist's instructions. Alignly Pro (one-time purchase) Unlock the full toolkit with a single one-time purchase - no subscription: - Unlimited report exports and unlimited history. - Report customization and CSV export. - Before/after photo comparison and unlimited progress photos. - Custom sound profiles and retainer mode. - Local backup & restore - export all your data to a single file you keep, and restore it later. Your data never leaves your device unless you share it.
Screenshots
Verdict
The clearest difference is device support: Alignly at 3 against Tray Day's 1. Alignly also leads on iOS requirement (13.0 vs 18.0). On price, ads and in-app purchases there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Tray Day sells 3 one-off in-app purchases and Alignly sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
| Parameter | Tray Day | Alignly |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 days | β |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone | iPhone, iPad, iPod β better |
| Requires iOS | 18.0 | 13.0 β better |
| Further details β not scored | ||
| Size | 5 MB | 34 MB |
| Age rating | 4+ | 4+ |
| Developer | Mark Remi | Vladimir Shamshudinov |
In-app purchases
Tray Day
- Small Coffee$2.00
- Large Coffee$5.00
- Coffee & Pastry$10.00
Alignly
- Alignly Pro$9.99







