# AquaticLog vs ReefMetric

The clearest difference is price: AquaticLog at Free against ReefMetric's $0.99. ReefMetric's advantage is in-app purchases (none vs 3) and update cadence (every 3 days vs every 10 days). On ads and device support there is nothing between them.

AquaticLog is free to download; ReefMetric costs $0.99 up front. AquaticLog sells 3 in-app purchases, starting at $4.99 per month. ReefMetric asks for nothing beyond the download.

AquaticLog ships an update every 10 days, ReefMetric every 3 days. The most recent releases landed on October 26, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | AquaticLog | ReefMetric |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.2 (406 ratings)](https://appshunter.io/ios/app/aquaticlog/id583895470/reviews)** | — |
| Number of ratings | **406** | — |
| Positive reviews | 69.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 3 days** |
| Monetization | Freemium | — |
| Size | 25 MB | 188 MB |
| Requires iOS | 18.1 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Lonnex Inc](https://appshunter.io/developer/1547270716) | [Erick Mondragon](https://appshunter.io/developer/6797754773) |

## What reviewers say

### AquaticLog

[App page](https://appshunter.io/ios/app/aquaticlog/id583895470)

Manage your aquarium with this comprehensive platform. Track water parameters, schedule maintenance, log livestock, and document your tank's progress with photos and videos. Connect controllers for automatic data import and sync across devices.

**Highlights:** Water parameter tracking, Smart reminders for maintenance, Livestock management, Equipment and dosing logs, Controller integration, Photo and video diary, Community features

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly Subscription | $4.99 | per month |
| Pro Yearly Membership | $39.99 | per year |
| Pro Lifetime Membership | $149.99 | one-time |


### ReefMetric

[App page](https://appshunter.io/ios/app/reefmetric/id6799523302)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is AquaticLog free?

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

### Is ReefMetric free?

ReefMetric costs $0.99, with no in-app purchases.

### Do AquaticLog or ReefMetric have ads?

Neither AquaticLog nor ReefMetric shows ads.

### Which is updated more often, AquaticLog or ReefMetric?

AquaticLog ships an update every 10 days, and ReefMetric every 3 days. Most recently, AquaticLog was updated on October 26, 2026 and ReefMetric on October 8, 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.*