# Urine Log vs Bladder Diary

The clearest difference is update cadence: Urine Log at every 5 days against Bladder Diary's monthly. Bladder Diary's advantage is iOS requirement (18.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Urine Log sells 2 one-off in-app purchases and Bladder Diary sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Urine Log ships an update every 5 days, Bladder Diary monthly. The most recent releases landed on November 12, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Urine Log | Bladder Diary |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 6 MB | 10 MB |
| Requires iOS | 26.0 | **18.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [TAKASHI KOJIMA](https://appshunter.io/developer/6776510628) | [Denis Zinin](https://appshunter.io/developer/6799121582) |

## What reviewers say

### Urine Log

[App page](https://appshunter.io/ios/app/urine-log-voiding-diary/id6794332318)

Easily track urination and bowel movements with this voiding diary. Review your logs in graphs, calendars, and exportable PDFs. Ideal for personal tracking or sharing with medical professionals.

**Highlights:** Easy logging of urination and bowel movements, Review logs in graphs and calendars, Home Screen widget for quick logging, Apple Watch logging and sync, Monthly reports and PDF export, CSV export for date ranges

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support, iPhone Duo support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 30-Day Pass | $0.99 | one-time |
| Unlock Premium Features | $2.99 | one-time |


### Bladder Diary

[App page](https://appshunter.io/ios/app/bladder-diary-fluid-balance/id6803224992)

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support, iPhone Duo support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $9.99 | one-time |


## Frequently asked questions

### Is Urine Log free?

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

### Is Bladder Diary free?

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

### Do Urine Log or Bladder Diary have ads?

Neither Urine Log nor Bladder Diary shows ads.

### Which is updated more often, Urine Log or Bladder Diary?

Urine Log ships an update every 5 days, and Bladder Diary monthly. Most recently, Urine Log was updated on November 12, 2026 and Bladder Diary on November 10, 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.*