# Bladder Diary vs Blasen

The clearest difference is in-app purchases: Blasen at none against Bladder Diary's 1. Blasen also leads on update cadence (every 4 days vs monthly) and iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Bladder Diary sells 1 one-off in-app purchase. Blasen asks for nothing beyond the download.

Bladder Diary ships an update monthly, Blasen every 4 days. The most recent releases landed on October 6, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Bladder Diary | Blasen |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/bladder-diary-vesi/id6739755941/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 9 MB | 170 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [IVANA RAST](https://appshunter.io/developer/1782298960) | [Minze](https://appshunter.io/developer/1093142196) |

## What reviewers say

### Bladder Diary

[App page](https://appshunter.io/ios/app/bladder-diary-vesi/id6739755941)

Track urination, leaks, urgency, and hydration with this private diary. Generate PDF reports for your healthcare provider. Ideal for monitoring bladder health, pregnancy changes, or hydration during hot weather.

**Highlights:** Log urination, fluid intake, and duration, Track leaks, urgency, and nighttime trips, Review bladder health patterns and trends, Generate shareable PDF reports, No account required for immediate use

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Bladder Diary Premium | $9.99 | one-time |


### Blasen

[App page](https://appshunter.io/ios/app/blasen-tagebuch/id6756102421)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Bladder Diary free?

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

### Is Blasen free?

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

### Do Bladder Diary or Blasen have ads?

Neither Bladder Diary nor Blasen shows ads.

### Which is updated more often, Bladder Diary or Blasen?

Bladder Diary ships an update monthly, and Blasen every 4 days. Most recently, Bladder Diary was updated on October 6, 2026 and Blasen on September 30, 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.*