# WaterTight vs T1dApp

The clearest difference is rating: T1dApp at 5.0 against WaterTight's 4.0. T1dApp also leads on device support (3 vs 1). WaterTight's advantage is monetization model (free vs subscription). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. WaterTight sells 3 in-app purchases, starting at $1.99 per month and T1dApp sells 7 in-app purchases, starting at $5.99 per 7 days. Whichever you choose, the download price is not the number that matters.

T1dApp holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

WaterTight ships an update every 8 days, T1dApp every 5 days. The most recent releases landed on November 1, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | WaterTight | T1dApp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/watertight-water-tracker/id843541840/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/t1dapp/id6745495398/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 8 days | **Every 5 days** |
| Monetization | **Free** | Subscription |
| Size | 12 MB | 61 MB |
| Requires iOS | 16.6 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [A I K A T E K LTD](https://appshunter.io/developer/832411001) | [ROZ TECH LLC](https://appshunter.io/developer/1463497527) |

## What reviewers say

### WaterTight

[App page](https://appshunter.io/ios/app/watertight-water-tracker/id843541840)

This app helps you monitor your daily water consumption with a simple interface. Set a daily goal, receive reminders, and view your hydration history over the past week.

**Highlights:** Track water intake, Set daily hydration goals, View 7-day intake graph, Daily reminders and alerts, Easy manual input

**Features:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $1.99 | per month |
| Pro Yearly | $8.99 | per year |
| WaterTight Pro (Lifetime) | $16.99 | one-time |


### T1dApp

[App page](https://appshunter.io/ios/app/t1dapp/id6745495398)

Easily track your meals, glucose levels, and medications. Snap a photo of your food to get instant carb, calorie, protein, and fat estimates, along with predicted blood sugar impact. Gain insights into your daily patterns and share reports with your care team.

**Highlights:** Food photo scanning for nutritional info, Predicted 2-hour glucose range, Daily calorie and carb goal tracking, Meal impact analysis, Health data logging and reminders, Apple Health sync, PDF and CSV reports

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| T1dApp Pro Weekly | $5.99 | per 7 days |
| Monthly Premium | $9.99 | per month |
| T1dApp Pro Monthly | $9.99 | per month |
| Premium Yearly | $39.99 | per year |
| T1dApp Pro Yearly | $39.99 | per year |
| 50 Extra Snaps | $5.99 | one-time |
| Premium Lifetime offer | $99.99 | one-time |


## Frequently asked questions

### Is WaterTight free?

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

### Is T1dApp free?

T1dApp is free to download, with in-app purchases available.

### Which has better reviews, WaterTight or T1dApp?

T1dApp is rated higher. WaterTight averages 4.0 out of 5 from 1 ratings, while T1dApp averages 5.0 from 1 ratings.

### Do WaterTight or T1dApp have ads?

Neither WaterTight nor T1dApp shows ads.

### Which is updated more often, WaterTight or T1dApp?

WaterTight ships an update every 8 days, and T1dApp every 5 days. Most recently, WaterTight was updated on November 1, 2026 and T1dApp on November 8, 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.*