Comparison

DFree Personal vs Simple Hydration Tracker

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Bladder fullness detection
  • Ultrasound sensor integration
  • Bathroom visit notifications
  • Incontinence management support
  • Wearable sensor data reference
Read 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.

About

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.

Highlights
  • Easy drink logging
  • Add past entries
  • Weekly/monthly analysis charts
  • Customizable drink list
  • No login required
Features
Read 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

DFree Personal4 screens
Simple Hydration Tracker4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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

Scorecard4 real differences · 6 level
DFree Personal versus Simple Hydration Tracker: the parameters behind the verdict, then further details
ParameterDFree PersonalSimple Hydration Tracker
PriceFreeFree
Rating4.0 (1 ratings)5.0 (1 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings11
Update frequencyEvery 4 weeksEvery 4 weeks
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.013.0
Further details — not scored
Size44 MB51 MB
Age rating4+17+
DeveloperTriple WNAOYA ONO

Customer experience

DFree Personal

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Simple Hydration Tracker

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

DFree Personal

No in-app purchases

2 purchases

Simple Hydration Tracker

Subscriptions1
  • Premium Plan$1.491 Month
One-time1
  • Support Developer$0.99

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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