# AquaticLog vs Reef Diary Aquarium Management

The clearest difference is review sentiment: AquaticLog at 70% against Reef Diary Aquarium Management's 0%. AquaticLog also leads on rating (4.2 vs 1.0) and ratings volume (407 vs 1). Reef Diary Aquarium Management's advantage is device support (4 vs 2) and iOS requirement (15.1 vs 18.1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. AquaticLog sells 3 in-app purchases, starting at $4.99 per month and Reef Diary Aquarium Management sells 4 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

AquaticLog holds the better App Store score, 4.2 against 1.0. That said, the two scores are not equally well evidenced: AquaticLog has 407 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 70% of AquaticLog's written reviews are positive against 0% of Reef Diary Aquarium Management's.

AquaticLog ships an update every 10 days, Reef Diary Aquarium Management monthly. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | AquaticLog | Reef Diary Aquarium Management |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (407 ratings)](https://appshunter.io/ios/app/aquaticlog/id583895470/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/reef-diary-aquarium-management/id6746352304/reviews) |
| Number of ratings | **407** | 1 |
| Positive reviews | **69.7% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Monthly |
| Monetization | Freemium | Freemium |
| Size | 25 MB | 58 MB |
| Requires iOS | 18.1 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Lonnex Inc](https://appshunter.io/developer/1547270716) | [Christian Buchholz](https://appshunter.io/developer/1816370032) |

## What reviewers say

### AquaticLog

[App page](https://appshunter.io/ios/app/aquaticlog/id583895470)

Manage your aquarium with this comprehensive platform. Track water parameters, schedule maintenance, log livestock, and document your tank's progress with photos and videos. Connect controllers for automatic data import and sync across devices.

**Highlights:** Water parameter tracking, Smart reminders for maintenance, Livestock management, Equipment and dosing logs, Controller integration, Photo and video diary, Community features

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly Subscription | $4.99 | per month |
| Pro Yearly Membership | $39.99 | per year |
| Pro Lifetime Membership | $149.99 | one-time |


### Reef Diary Aquarium Management

[App page](https://appshunter.io/ios/app/reef-diary-aquarium-management/id6746352304)

Manage your reef or freshwater aquarium with this comprehensive tool. Track water parameters, schedule maintenance, and monitor your aquatic life and equipment. Works offline to keep your ecosystem healthy and thriving.

**Highlights:** Smart parameter tracking for reef and freshwater, Visual trend charts for water parameters, Multiple tank support, Equipment and livestock inventory, Maintenance task scheduler with reminders, Offline functionality

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Reef Diary - Monthly | $2.99 | per month |
| Reef Diary - Yearly | $24.99 | per year |
| Enterprise Monthly Subscription | $89.99 | per month |
| ReefDiary Yearly Enterprise | $699.00 | per year |


## Frequently asked questions

### Is AquaticLog free?

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

### Is Reef Diary Aquarium Management free?

Reef Diary Aquarium Management is free to download, with in-app purchases available.

### Which has better reviews, AquaticLog or Reef Diary Aquarium Management?

AquaticLog is rated higher. AquaticLog averages 4.2 out of 5 from 407 ratings, while Reef Diary Aquarium Management averages 1.0 from 1 ratings.

### Do AquaticLog or Reef Diary Aquarium Management have ads?

Neither AquaticLog nor Reef Diary Aquarium Management shows ads.

### Which is updated more often, AquaticLog or Reef Diary Aquarium Management?

AquaticLog ships an update every 10 days, and Reef Diary Aquarium Management monthly. Most recently, AquaticLog was updated on November 1, 2026 and Reef Diary Aquarium Management on October 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.*