# 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 every 3 weeks) 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 every 3 weeks, BladderIQ weekly. The most recent releases landed on November 5, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | BioJournal | BladderIQ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/biojournal/id6755923531/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **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/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 every 3 weeks, and BladderIQ weekly. Most recently, BioJournal was updated on November 5, 2026 and BladderIQ on November 9, 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.*