# Aquarimate vs Chromaticity Assistant

The clearest difference is price: Chromaticity Assistant at Free against Aquarimate's $9.99. Chromaticity Assistant also leads on rating (5.0 vs 4.4) and in-app purchases (none vs 2). Aquarimate's advantage is update cadence (every 3 weeks vs every 5 months) and ratings volume (625 vs 1). On ads there is nothing between them.

Chromaticity Assistant is free to download; Aquarimate costs $9.99 up front. Aquarimate sells 2 in-app purchases, starting at $9.99 per year. Chromaticity Assistant asks for nothing beyond the download.

Chromaticity Assistant holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Aquarimate has 625 ratings behind it against 1, so its average is the more settled of the two.

Aquarimate ships an update every 3 weeks, Chromaticity Assistant every 5 months. The most recent releases landed on September 24, 2026 and August 23, 2026 respectively.

## The numbers

| Metric | Aquarimate | Chromaticity Assistant |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | [4.4 (625 ratings)](https://appshunter.io/ios/app/aquarimate/id587215055/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/chromaticity-assistant/id6504816355/reviews)** |
| Number of ratings | **625** | 1 |
| Positive reviews | 64.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 48 MB | 3 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [WiseLogic Inc](https://appshunter.io/developer/554628754) | [克俊 张](https://appshunter.io/developer/1168250350) |

## What reviewers say

### Aquarimate

[App page](https://appshunter.io/ios/app/aquarimate/id587215055)

Manage freshwater and saltwater aquariums with this comprehensive app. Track parameters, schedule tasks, log activities, and access a vast livestock library with compatibility advice. Organize notes, expenses, and photos, with cloud backup and cross-device syncing.

**Highlights:** Unlimited aquarium management, Parameter test result logging, Customizable tank parameters, Advanced unit converters and dosing calculators, Husbandry task scheduling and reminders, Comprehensive livestock library (Aquaribase), Photo gallery and expense tracking

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Additional 1 GB For Aquarimate Cloud Storage Service | $9.99 | per year |
| Aquarimate Live Subscription | $9.99 | per year |

**What reviewers like**

- 💻 Great app for managing aquariums
- 📊 Excellent data tracking and graphing
- ⏰ Helpful reminders and task management
- 🗂️ Comprehensive database of aquatic life
- 🤖 Useful calculators and tools

**What reviewers complain about**

- 🐛 Frequent crashes and bugs
- 💰 Expensive with additional subscription fees
- 🕸️ Outdated and clunky user interface
- 🗃️ Limited database of fish and plants
- 🔍 Poor customer support and lack of updates

**Reported bugs**

- App crashes when accessing settings
- Water parameter data not saving correctly
- Livestock information not syncing across devices
- Calculators providing inaccurate results
- Calendar integration not working as expected

**Requested features**

- Ability to copy settings and data across tanks
- More advanced analytics and reporting
- Improved syncing and cross-device access
- Expanded database of aquatic species
- Customizable dashboards and views


### Chromaticity Assistant

[App page](https://appshunter.io/ios/app/chromaticity-assistant/id6504816355)

This app provides color management and analysis tools. It supports color space conversion, spectral analysis of visible light, and color gamut analysis for various standards.

**Highlights:** Color space conversion (RGB, CMYK, HSV, LAB, HEX), Spectral analysis (CIE-1931, CIE-1976), Color gamut analysis (DCI-P3, NTSC, sRGB, Adobe RGB), Import optical spectrum data (CSV), Import primary color coordinates (CSV)

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

**In-app purchases:** none


## Frequently asked questions

### Is Aquarimate free?

Aquarimate costs $9.99, and also offers in-app purchases.

### Is Chromaticity Assistant free?

Chromaticity Assistant is free to download, with no in-app purchases.

### Which has better reviews, Aquarimate or Chromaticity Assistant?

Chromaticity Assistant is rated higher. Aquarimate averages 4.4 out of 5 from 625 ratings, while Chromaticity Assistant averages 5.0 from 1 ratings.

### Do Aquarimate or Chromaticity Assistant have ads?

Neither Aquarimate nor Chromaticity Assistant shows ads.

### Which is updated more often, Aquarimate or Chromaticity Assistant?

Aquarimate ships an update every 3 weeks, and Chromaticity Assistant every 5 months. Most recently, Aquarimate was updated on September 24, 2026 and Chromaticity Assistant on August 23, 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.*