# Collins ASG Technical Request vs Aquarium Tracker

The clearest difference is in-app purchases: Collins ASG Technical Request at none against Aquarium Tracker's 2. Aquarium Tracker's advantage is update cadence (every 10 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Aquarium Tracker sells 2 in-app purchases, starting at $4.99 per month. Collins ASG Technical Request asks for nothing beyond the download.

Collins ASG Technical Request ships an update every 2 months, Aquarium Tracker every 10 days. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Collins ASG Technical Request | Aquarium Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (6 ratings)](https://appshunter.io/ios/app/aquarium-tracker-tank-manager/id6755304265/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 10 days** |
| Monetization | — | Freemium |
| Size | 37 MB | 73 MB |
| Requires iOS | **15.6** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Rockwell Collins, Inc.](https://appshunter.io/developer/379086069) | [Szymon Niemiec](https://appshunter.io/developer/1853026562) |

## What reviewers say

### Collins ASG Technical Request

[App page](https://appshunter.io/ios/app/collins-asg-technical-request/id6499199184)

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

**In-app purchases:** none


### Aquarium Tracker

[App page](https://appshunter.io/ios/app/aquarium-tracker-tank-manager/id6755304265)

This app helps aquarium enthusiasts maintain healthy and stable aquatic environments. It allows users to track water parameters, log tests, manage livestock, and schedule essential care tasks for multiple tanks.

**Highlights:** Track water parameters, Log water tests with history, Manage multiple fish tanks, Add livestock and care notes, Plan aquarium care tasks and reminders, Clean and intuitive design

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $4.99 | per month |
| Pro Yearly | $29.99 | per year |


## Frequently asked questions

### Is Collins ASG Technical Request free?

Collins ASG Technical Request is free to download, with no in-app purchases.

### Is Aquarium Tracker free?

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

### Do Collins ASG Technical Request or Aquarium Tracker have ads?

Neither Collins ASG Technical Request nor Aquarium Tracker shows ads.

### Which is updated more often, Collins ASG Technical Request or Aquarium Tracker?

Collins ASG Technical Request ships an update every 2 months, and Aquarium Tracker every 10 days. Most recently, Collins ASG Technical Request was updated on October 27, 2026 and Aquarium Tracker on October 24, 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.*