# AQL vs Aquarium Notepad

The clearest difference is in-app purchases: Aquarium Notepad at none against AQL's 1. Aquarium Notepad also leads on update cadence (every 3 days vs every 6 weeks) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. AQL sells 1 one-off in-app purchase. Aquarium Notepad asks for nothing beyond the download.

AQL ships an update every 6 weeks, Aquarium Notepad every 3 days. The most recent releases landed on October 20, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | AQL | Aquarium Notepad |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (3 ratings)](https://appshunter.io/ios/app/aquarium-notepad/id6749213015/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 days** |
| Monetization | — | Free |
| Size | 8 MB | 35 MB |
| Requires iOS | 17.6 | **12** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [IDEVO Marcin Kedra](https://appshunter.io/developer/1674921794) | [Quantum Technologies Limited Liability Company](https://appshunter.io/developer/1588354820) |

## What reviewers say

### AQL

[App page](https://appshunter.io/ios/app/aql-aquarium-log/id6445925942)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AQL PRO | $5.99 | one-time |


### Aquarium Notepad

[App page](https://appshunter.io/ios/app/aquarium-notepad/id6749213015)

Manage your aquariums with detailed tracking of water parameters, maintenance schedules, and measurements. This app offers comprehensive tools for serious aquarists to maintain optimal conditions and keep thorough records of their aquatic environments.

**Highlights:** Water parameter tracking, Maintenance task scheduling, Measurement logging, Multiple aquarium support, Data import/export, Charts and analytics

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is AQL free?

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

### Is Aquarium Notepad free?

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

### Do AQL or Aquarium Notepad have ads?

Neither AQL nor Aquarium Notepad shows ads.

### Which is updated more often, AQL or Aquarium Notepad?

AQL ships an update every 6 weeks, and Aquarium Notepad every 3 days. Most recently, AQL was updated on October 20, 2026 and Aquarium Notepad on October 22, 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.*