# Aquarium Tracker vs Reef Analysis

The clearest difference is update cadence: Aquarium Tracker at daily against Reef Analysis's every 3 days. Reef Analysis's advantage is iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Aquarium Tracker ships an update daily, Reef Analysis every 3 days. The most recent releases landed on October 11, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Aquarium Tracker | Reef Analysis |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/aquarium-tracker-fish-tank/id6762288109/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Daily** | Every 3 days |
| Monetization | Free | — |
| Size | 38 MB | 10 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Maxime Lang](https://appshunter.io/developer/1878824433) | [Ark Technology Ltd](https://appshunter.io/developer/6781222453) |

## What reviewers say

### Aquarium Tracker

[App page](https://appshunter.io/ios/app/aquarium-tracker-fish-tank/id6762288109)

Monitor your aquarium's water quality with detailed tracking and smart alerts. Identify fish species from photos, check compatibility, and get reminders for essential maintenance to keep your aquatic life healthy.

**Highlights:** Water parameter logging (pH, ammonia, nitrate, etc.), Smart alerts for critical water values, AI-powered fish species identification, Fish compatibility checker, Nitrogen cycle guide for beginners, Maintenance reminders (water changes, testing), Private, no account required

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

**In-app purchases:** none


### Reef Analysis

[App page](https://appshunter.io/ios/app/reef-analysis/id6781222451)

**In-app purchases:** none


## Frequently asked questions

### Is Aquarium Tracker free?

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

### Is Reef Analysis free?

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

### Do Aquarium Tracker or Reef Analysis have ads?

Neither Aquarium Tracker nor Reef Analysis shows ads.

### Which is updated more often, Aquarium Tracker or Reef Analysis?

Aquarium Tracker ships an update daily, and Reef Analysis every 3 days. Most recently, Aquarium Tracker was updated on October 11, 2026 and Reef Analysis on October 6, 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.*