# BioJournal vs BladderIQ

The clearest difference is in-app purchases: BladderIQ at none against BioJournal's 3. BladderIQ also leads on update cadence (weekly vs monthly) and iOS requirement (15.1 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. BioJournal sells 3 in-app purchases, starting at $2.99 per month. BladderIQ asks for nothing beyond the download.

BioJournal ships an update monthly, BladderIQ weekly. The most recent releases landed on October 21, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | BioJournal | BladderIQ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/biojournal-bladder-diary/id6755923531/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | Freemium | — |
| Size | 15 MB | 123 MB |
| Requires iOS | 26.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [MUMTAZ SIDDIQUI](https://appshunter.io/developer/1852541398) | [Astek Diagnostics INC](https://appshunter.io/developer/1860794011) |

## What reviewers say

### BioJournal

[App page](https://appshunter.io/ios/app/biojournal-bladder-diary/id6755923531)

Track bladder health, urinary habits, and hydration with this private, easy-to-use log. Effortlessly record drinks and bathroom visits to identify daily patterns and trends. Securely store all your data on your device.

**Highlights:** Track drinks and bathroom visits, Monitor leaks and daily patterns, View daily summaries and frequency trends, Set hydration goals, Secure on-device data storage, Quick Add logging

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $2.99 | per month |
| Annual Premium | $24.99 | per year |
| Lifetime Premium | $69.99 | one-time |


### BladderIQ

[App page](https://appshunter.io/ios/app/bladderiq/id6756477054)

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

**In-app purchases:** none


## Frequently asked questions

### Is BioJournal free?

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

### Is BladderIQ free?

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

### Do BioJournal or BladderIQ have ads?

Neither BioJournal nor BladderIQ shows ads.

### Which is updated more often, BioJournal or BladderIQ?

BioJournal ships an update monthly, and BladderIQ weekly. Most recently, BioJournal was updated on October 21, 2026 and BladderIQ on October 16, 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.*