# Этта vs Bladder Diary

The clearest difference is in-app purchases: Этта at none against Bladder Diary's 1. Этта also leads on iOS requirement (15.5 vs 18.0). On price, update cadence, ads and device support there is nothing between them.

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

Этта ships an update every 3 weeks, Bladder Diary monthly. The most recent releases landed on October 30, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Этта | Bladder Diary |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Size | 95 MB | 10 MB |
| Requires iOS | **15.5** | 18.0 |
| Devices | iPhone, iPod | iPhone, Apple Watch |
| Age rating | 17+ | 4+ |
| Developer | [ETTA LLC](https://appshunter.io/developer/1457964334) | [Denis Zinin](https://appshunter.io/developer/6799121582) |

## What reviewers say

### Этта

[App page](https://appshunter.io/ios/app/id6741919585)

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

**In-app purchases:** none


### 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 Этта free?

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

### Is Bladder Diary free?

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

### Do Этта or Bladder Diary have ads?

Neither Этта nor Bladder Diary shows ads.

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

Этта ships an update every 3 weeks, and Bladder Diary monthly. Most recently, Этта was updated on October 30, 2026 and Bladder Diary on November 6, 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.*