# AquaticLog vs Senrium

The clearest difference is rating: Senrium at 5.0 against AquaticLog's 4.2. Senrium also leads on iOS requirement (15.6 vs 18.1). AquaticLog's advantage is ads (none vs shown) and ratings volume (409 vs 2). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. AquaticLog sells 3 in-app purchases, starting at $4.99 per month and Senrium sells 3 in-app purchases, starting at $2.49 per month. Whichever you choose, the download price is not the number that matters.

Senrium holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: AquaticLog has 409 ratings behind it against 2, so its average is the more settled of the two.

AquaticLog ships an update every 10 days, Senrium every 6 weeks. The most recent releases landed on November 10, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | AquaticLog | Senrium |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (409 ratings)](https://appshunter.io/ios/app/aquaticlog/id583895470/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/senrium/id6467432068/reviews)** |
| Number of ratings | **409** | 2 |
| Positive reviews | 70.1% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 10 days** | Every 6 weeks |
| Monetization | Freemium | Free with in-app purchases |
| Size | 25 MB | 64 MB |
| Requires iOS | 18.1 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Lonnex Inc](https://appshunter.io/developer/1547270716) | [Samuel Steele](https://appshunter.io/developer/1708640965) |

## 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 |


### Senrium

[App page](https://appshunter.io/ios/app/senrium/id6467432068)

Monitor your aquarium's critical parameters in real-time with this app. It connects to sensors to alert you to emergencies like equipment failures or leaks, offering a simpler alternative to complex aquarium controllers.

**Highlights:** Real-time aquarium parameter monitoring, Emergency alerts for equipment failure, Leak detection, Simple sensor setup, Customizable limit definitions

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Single Aquarium (Monthly) | $2.49 | per month |
| Mutli (Monthly) | $3.99 | per month |
| +Pro (Monthly) | $14.99 | per month |


## Frequently asked questions

### Is AquaticLog free?

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

### Is Senrium free?

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

### Which has better reviews, AquaticLog or Senrium?

Senrium is rated higher. AquaticLog averages 4.2 out of 5 from 409 ratings, while Senrium averages 5.0 from 2 ratings.

### Do AquaticLog or Senrium have ads?

Senrium shows ads; AquaticLog does not.

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

AquaticLog ships an update every 10 days, and Senrium every 6 weeks. Most recently, AquaticLog was updated on November 10, 2026 and Senrium on November 3, 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.*