DFree Personal vs Simple Hydration Tracker
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DFree Personal
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.
- Bladder fullness detection
- Ultrasound sensor integration
- Bathroom visit notifications
- Incontinence management support
- Wearable sensor data reference
Read full descriptionHide full description
This app is used for referencing the data from a wearable sensor called "DFree" that supports incontinence care. DFree uses ultrasound to detect the expansion and contraction of the bladder and informs you of when to go to the bathroom via app.
Simple Hydration Tracker
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.
- Easy drink logging
- Add past entries
- Weekly/monthly analysis charts
- Customizable drink list
- No login required
Read full descriptionHide full description
An app that allows you to record your daily hydration. Why don't you measure whether you are getting enough water, which is important for your health and diet? Registration is very easy! All you have to do is select the beverage you drank, the amount you drank, and the time you drank it, and tap the "Save" button. . You can use it stress-free with simple operations. Even if you forget to record a drink, you can add past data from the “Calendar” screen. On the "Analysis" screen, you can check your weekly and monthly water intake on a chart. The "Drinks" list screen allows you to add drinks and edit registered drinks. ● Features ・Easy to use, just select and register. ・No need to log in. ・With the calendar, you can quickly check your daily water intake. ●Disclaimer This App is not medical or treatment advice. It is neither professional diagnosis, opinion or service – and may not be treated as such by the user. We strongly recommend that you consult your own physician or another available health professional regarding any diagnosis, findings or interpretation. ● Privacy Policy https://apps.seeds-digital.com/privacy-policy/ ● Terms of Use https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | DFree Personal | Simple Hydration Tracker |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (1 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 1 | 1 |
| Update frequency | Every 4 weeks | Every 4 weeks |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 44 MB | 51 MB |
| Age rating | 4+ | 17+ |
| Developer | Triple W | NAOYA ONO |
Customer experience
DFree Personal
Simple Hydration Tracker
In-app purchases
DFree Personal
No in-app purchases
Simple Hydration Tracker
- Premium Plan$1.491 Month
- Support Developer$0.99







