# Waterling vs Tray Harder

The clearest difference is in-app purchases: Waterling at none against Tray Harder's 1. On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Tray Harder sells 1 one-off in-app purchase. Waterling asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Waterling against 5.0 for Tray Harder. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

## The numbers

| Metric | Waterling | Tray Harder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/waterling/id6743953569/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/tray-harder-aligner-tracker/id6782674184/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 3 weeks |
| Monetization | Free | Free |
| Size | 78 MB | 27 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Amy Erlewine](https://appshunter.io/developer/1799391908) | [Bari Halag](https://appshunter.io/developer/6782674186) |

## What reviewers say

### Waterling

[App page](https://appshunter.io/ios/app/waterling/id6743953569)

This app transforms daily water intake into a magical journey, revealing enchanting worlds with each refill. It offers personalized recommendations and effortless tracking to help you build healthy drinking habits.

**Highlights:** Magical motivation with world reveals, Personalized hydration recommendations, Effortless water intake tracking, Visual hydration data insights, Mindful hydration reminders, Apple Health integration

**Features:** macOS Compatibility

**In-app purchases:** none


### Tray Harder

[App page](https://appshunter.io/ios/app/tray-harder-aligner-tracker/id6782674184)

Track your clear aligner wear time and stay on schedule with this privacy-focused app. It helps you meet daily wear goals, monitor tray changes, and capture your smile's transformation with progress photos. Gentle reminders and appointment logging ensure you stay on track with your orthodontic treatment.

**Highlights:** Track aligner wear time, Monitor tray change schedule, Progress photo capture, Gentle, customizable reminders, Appointment logging, Privacy-focused, no cloud storage

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tray Harder Pro | $4.99 | one-time |


## Frequently asked questions

### Is Waterling free?

Waterling is free to download, with no in-app purchases.

### Is Tray Harder free?

Tray Harder is free to download, with in-app purchases available.

### Which has better reviews, Waterling or Tray Harder?

Waterling and Tray Harder are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Waterling or Tray Harder have ads?

Neither Waterling nor Tray Harder shows ads.

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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.*