Bladder Diary Tracker vs DFree Personal
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Bladder Diary Tracker
Easily log your urination volume and time to track voiding patterns. This health and fitness app helps you monitor your daily bladder habits.
- Log urination volume
- Record urination time
- Track voiding patterns
- Daily habit monitoring
- Health & Fitness tracking
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It is an application that can easily record urination volume and urination time.
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
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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.
Screenshots
Verdict
The clearest difference is in-app purchases: DFree Personal at none against Bladder Diary Tracker's 1. DFree Personal also leads on ads (none vs shown) and iOS requirement (13.0 vs 17.6). Bladder Diary Tracker's advantage is update cadence (every 2 weeks vs every 4 weeks) and ratings volume (7 vs 1). On price, rating 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. Bladder Diary Tracker sells 1 one-off in-app purchase. DFree Personal asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.0 for Bladder Diary Tracker against 4.0 for DFree Personal. That said, the two scores are not equally well evidenced: Bladder Diary Tracker has 7 ratings behind it against 1, so its average is the more settled of the two.
Bladder Diary Tracker ships an update every 2 weeks, DFree Personal every 4 weeks. The most recent releases landed on October 11, 2026 and October 10, 2026 respectively.
| Parameter | Bladder Diary Tracker | DFree Personal |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (7 ratings) | 4.0 (1 ratings) |
| Positive reviews | 69.2% of reviews | — |
| Number of ratings | 7 — better | 1 |
| Update frequency | Every 2 weeks — better | Every 4 weeks |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, Apple Watch | iPhone, iPad, iPod — better |
| Requires iOS | 17.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 10 MB | 44 MB |
| Age rating | 4+ | 4+ |
| Developer | Yuta Endo | Triple W |
Customer experience
Bladder Diary Tracker
DFree Personal
In-app purchases
Bladder Diary Tracker
- Hide ads$5.99
DFree Personal
No in-app purchases
