# Reef.Tools vs Reef Diary Aquarium Management

The clearest difference is rating: Reef.Tools at 3.0 against Reef Diary Aquarium Management's 1.0. Reef.Tools also leads on in-app purchases (none vs 4) and update cadence (daily vs every 5 weeks). On price, review sentiment, ratings volume and ads there is nothing between them.

Both are free to download. Reef Diary Aquarium Management sells 4 in-app purchases, starting at $2.99 per month. Reef.Tools asks for nothing beyond the download.

Reef.Tools holds the better App Store score, 3.0 against 1.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews split almost evenly too, at 0% and 0% positive.

Reef.Tools ships an update daily, Reef Diary Aquarium Management every 5 weeks. The most recent releases landed on June 7, 2026 and September 3, 2026 respectively.

## The numbers

| Metric | Reef.Tools | Reef Diary Aquarium Management |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/reeftools/id6739948464/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/reef-diary-aquarium-management/id6746352304/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 5 weeks |
| Monetization | **Free** | Freemium |
| Size | 32 MB | 57 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Ivena LLC](https://appshunter.io/developer/1787597398) | [Christian Buchholz](https://appshunter.io/developer/1816370032) |

## What reviewers say

### Reef.Tools

[App page](https://appshunter.io/ios/app/reeftools/id6739948464)

This app simplifies reef tank maintenance with science-backed tools. It offers a precision dosing calculator for over 30 elements, customizable schedules, and insights into water chemistry. Compare your tank's parameters to natural ocean values.

**Highlights:** Precision dosing calculator for 30+ elements, Customizable dosing schedules, Reef chemistry insights, Support for multiple brands and custom targets, Comparison to natural ocean parameters

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 Reef.Tools free?

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

### Is Reef Diary Aquarium Management free?

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

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

Reef.Tools is rated higher. Reef.Tools averages 3.0 out of 5 from 2 ratings, while Reef Diary Aquarium Management averages 1.0 from 1 ratings.

### Do Reef.Tools or Reef Diary Aquarium Management have ads?

Neither Reef.Tools nor Reef Diary Aquarium Management shows ads.

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

Reef.Tools ships an update daily, and Reef Diary Aquarium Management every 5 weeks. Most recently, Reef.Tools was updated on June 7, 2026 and Reef Diary Aquarium Management on September 3, 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.*