# Acvarium: Aquarium Logbook — Water tests, tank care & fish

> Water tests, tank care & fish (iPhone/iPad app by Abolfazl Rejali.)

- Source: https://appshunter.io/ios/app/acvarium-aquarium-logbook/id6816540518 (this page in markdown: same URL + `.md`)
- Developer: [Abolfazl Rejali](https://appshunter.io/developer/6792252048)
- Category: Lifestyle, Reference
- Price: $2.99
- Age rating: 4+
- Requires: iOS 16.0 · 3 MB
- Languages: American English, Arabic, Dutch, French (France), German (Germany), Italian, Japanese, Persian, Polish, Brazilian Portuguese and 3 more
- Released: 2026-09-30
- Data updated: 2026-10-17

## What is Acvarium?

Acvarium is a private logbook for your freshwater, planted, brackish, reef or marine aquarium.

FEATURES
• Log water tests: ammonia, nitrite, nitrate, pH, KH, GH, temperature, phosphate, calcium, magnesium, salinity, TDS and more
• Every reading is checked against target ranges for your tank type, with practical tips
• Charts and trends with early warnings when a value drifts
• Nitrogen cycle tracking for new tanks
• Estimated CO₂ from pH and KH
• Maintenance schedules with local reminders
• Livestock list with a species guide and compatibility checks (temperature, pH, aggression, fin-nipping, group size, tank size)
• Journal for notes and observations
• Backups and CSV export

PRIVACY
No account, no tracking, no internet connection. Your data stays on your device.

All content is general hobby information, not professional or veterinary advice.

Available in English, German and Persian (Farsi).

## Is Acvarium safe?

Not enough ratings yet to assess Acvarium.

## Is Acvarium legit?

Acvarium: Aquarium Logbook appears legitimate, with a few gaps. The AppsHunter Legitimacy Score for Acvarium is 65 out of 100 points across 7 verification signals from App Store and developer data.


## Version history (last 3 releases)

### 1.2 — 2026-10-06

Now available in English, German and Persian (Farsi). New privacy policy and legal notice in the app.

### 1.1 — 2026-10-05

Now available in English, German and Persian (Farsi). New privacy policy and legal notice in the app.

### 1.0 — 2026-10-01

No release notes.

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- [Stadtrundfahrt: City Trip Plan](https://appshunter.io/ios/app/stadtrundfahrt-city-trip-plan/id6794666117)

All apps by Abolfazl Rejali: https://appshunter.io/developer/6792252048

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-10-17.*