# DFree Personal vs Simple Hydration Tracker

The clearest difference is rating: Simple Hydration Tracker at 5.0 against DFree Personal's 4.0. DFree Personal's advantage is in-app purchases (none vs 2) and ads (none vs shown). On price, ratings volume, update cadence and device support there is nothing between them.

Both are free to download. Simple Hydration Tracker sells 2 in-app purchases, starting at $1.49 per month. DFree Personal asks for nothing beyond the download.

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

Both ship on a similar rhythm, roughly every 4 weeks. The most recent releases landed on October 20, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | DFree Personal | Simple Hydration Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/dfree-personal/id1533625412/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/simple-hydration-tracker/id6447656377/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 weeks | Every 4 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 44 MB | 51 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Triple W](https://appshunter.io/developer/897748533) | [NAOYA ONO](https://appshunter.io/developer/1530328146) |

## What reviewers say

### DFree Personal

[App page](https://appshunter.io/ios/app/dfree-personal/id1533625412)

This application connects to a wearable sensor to monitor bladder fullness using ultrasound. It provides timely notifications to help users manage incontinence and plan bathroom visits.

**Highlights:** Bladder fullness detection, Ultrasound sensor integration, Bathroom visit notifications, Incontinence management support, Wearable sensor data reference

**In-app purchases:** none


### Simple Hydration Tracker

[App page](https://appshunter.io/ios/app/simple-hydration-tracker/id6447656377)

Easily log your daily water intake by selecting beverages, amounts, and times. Review your hydration habits with weekly and monthly charts. Add past entries and customize drink options for a stress-free experience.

**Highlights:** Easy drink logging, Add past entries, Weekly/monthly analysis charts, Customizable drink list, No login required

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Plan | $1.49 | per month |
| Support Developer | $0.99 | one-time |


## Frequently asked questions

### Is DFree Personal free?

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

### Is Simple Hydration Tracker free?

Simple Hydration Tracker is free to download, with in-app purchases available.

### Which has better reviews, DFree Personal or Simple Hydration Tracker?

Simple Hydration Tracker is rated higher. DFree Personal averages 4.0 out of 5 from 1 ratings, while Simple Hydration Tracker averages 5.0 from 1 ratings.

### Do DFree Personal or Simple Hydration Tracker have ads?

Simple Hydration Tracker shows ads; DFree Personal does not.

### Which is updated more often, DFree Personal or Simple Hydration Tracker?

DFree Personal ships an update every 4 weeks, and Simple Hydration Tracker every 4 weeks. Most recently, DFree Personal was updated on October 20, 2026 and Simple Hydration Tracker on October 5, 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.*