# Aquarium Guide Fish Identifier vs GHK

The clearest difference is device support: GHK at 3 against Aquarium Guide Fish Identifier's 1. GHK also leads on iOS requirement (15.0 vs 18.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Aquarium Guide Fish Identifier sells 7 in-app purchases, starting at $7.99 per 7 days and GHK sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Aquarium Guide Fish Identifier | GHK |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (14K ratings)](https://appshunter.io/ios/app/aquarium-guide-fish-identifier/id662602456/reviews)** | — |
| Number of ratings | **14K** | — |
| Positive reviews | 71.6% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 154 MB | 13 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Tayson Nguyen](https://appshunter.io/developer/601885498) | [DUSTIN LEE COVINGTON](https://appshunter.io/developer/1892666342) |

## What reviewers say

### Aquarium Guide Fish Identifier

[App page](https://appshunter.io/ios/app/aquarium-guide-fish-identifier/id662602456)

This app helps aquarium owners plan their tanks and avoid common mistakes. It checks fish compatibility and tank stocking levels, offering information on over 1000 fish species. You can save and share your aquarium setups.

**Highlights:** Fish compatibility checker, Tank overcrowding alerts, 1000+ fish species database, Fish information (temperament, care, size, cost), Offline functionality, Printable/shareable tank setups

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| My Aquarium Guide Pro | $7.99 | per 7 days |
| My Aquarium Guide Pro | $44.99 | per year |
| Exotic Fish Pack | $0.99 | one-time |
| African Cichlids Pack | $2.99 | one-time |
| Plants Pack | $2.99 | one-time |
| Saltwater Fish Pack | $2.99 | one-time |
| My Aquarium Guide Pro | $29.99 | one-time |

**What reviewers like**

- 👍 Helpful for beginners
- 📊 Provides useful information about fish
- 🗂️ Good for tracking aquarium setup
- 🎨 Visually appealing interface

**What reviewers complain about**

- 🔒 Locked features require payment
- 🔍 Limited fish and plant selection
- 🔢 Inaccurate tank size recommendations
- 🔀 Difficulty navigating and removing fish

**Reported bugs**

- Inconsistent fish information
- Scrolling issues with descriptions
- Unreliable compatibility warnings

**Requested features**

- Add more fish and plant species
- Improve search functionality
- Allow custom tank size input
- Provide water parameter tracking
- Enable fish/plant removal without restarting


### GHK

[App page](https://appshunter.io/ios/app/ghk-cu-dilution-guide/id6792575448)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| GHK-Cu Pro | $4.99 | one-time |


## Frequently asked questions

### Is Aquarium Guide Fish Identifier free?

Aquarium Guide Fish Identifier is free to download, with in-app purchases available.

### Is GHK free?

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

### Do Aquarium Guide Fish Identifier or GHK have ads?

Neither Aquarium Guide Fish Identifier nor GHK shows ads.

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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.*