# Diarium Journal vs Water Zero

The clearest difference is in-app purchases: Water Zero at none against Diarium Journal's 1. Diarium Journal's advantage is ratings volume (2.1K vs 1). On price, rating, ads and device support there is nothing between them.

Both are free to download. Diarium Journal sells 1 one-off in-app purchase. Water Zero asks for nothing beyond the download.

Water Zero holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Diarium Journal has 2.1K ratings behind it against 1, so its average is the more settled of the two.

## The numbers

| Metric | Diarium Journal | Water Zero |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (2.1K ratings)](https://appshunter.io/ios/app/diarium-journal-private-diary/id1436044299/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/water-zero-hydration-tracker/id6793490695/reviews)** |
| Number of ratings | **2.1K** | 1 |
| Positive reviews | 95.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Monetization | Free with in-app purchases | **Free** |
| Size | 27 MB | 6 MB |
| Requires iOS | **17.4** | 18.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Timo Partl](https://appshunter.io/developer/1387413672) | [Koodalabs LLC](https://appshunter.io/developer/1684803962) |

## What reviewers say

### Diarium Journal

[App page](https://appshunter.io/ios/app/diarium-journal-private-diary/id1436044299)

Capture your memories, thoughts, and experiences in a private digital journal. Enrich entries with photos, audio, and location data, and secure your personal timeline with password protection. Organize your life and revisit moments with flexible viewing options.

**Highlights:** Private diary and daily journal, Add photos, drawings, audio, files, Track mood with star ratings, Calendar, timeline, and travel map views, Import from other diary apps, Cross-platform sync, Password, PIN, Face ID, Touch ID protection

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro version (iOS) | $14.99 | one-time |

**What reviewers like**

- 🚀 Easy to use
- 📷 Ability to add photos
- 🗓️ Calendar and timeline views
- 🔒 Secure and private
- 💰 One-time purchase, no subscription

**What reviewers complain about**

- 💰 Separate purchase required for each platform
- 🔍 Limited search options
- 🖌️ Lack of advanced formatting options
- 🗓️ Calendar view issues
- 🐛 Occasional sync and stability problems

**Reported bugs**

- Sync issues between devices
- Crashes when adjusting settings
- Photos not displaying correctly in some cases

**Requested features**

- Ability to embed photos within entries
- More font and color options
- Checklist/task functionality
- Multiple journal/diary support
- Export to PDF or other formats


### Water Zero

[App page](https://appshunter.io/ios/app/water-zero-hydration-tracker/id6793490695)

This app calculates your personalized daily water intake goal based on your body and activity level. It features a one-tap widget for quick logging and offers a simple, ad-free experience without subscriptions or accounts.

**Highlights:** Personalized daily water goal calculation, One-tap home screen widget for logging, Tracks water intake from drinks, No ads, subscriptions, or accounts, Undo last entry feature, Supports various drink vessels

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

**In-app purchases:** none


## Frequently asked questions

### Is Diarium Journal free?

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

### Is Water Zero free?

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

### Which has better reviews, Diarium Journal or Water Zero?

Water Zero is rated higher. Diarium Journal averages 4.8 out of 5 from 2.1K ratings, while Water Zero averages 5.0 from 1 ratings.

### Do Diarium Journal or Water Zero have ads?

Neither Diarium Journal nor Water Zero shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*