# Esense vs Aquarium Harmony

The clearest difference is in-app purchases: Esense at none against Aquarium Harmony's 3. Esense also leads on ads (none vs shown) and iOS requirement (10.0 vs 18.0). Aquarium Harmony's advantage is update cadence (every 6 weeks vs every 12 months). On price and device support there is nothing between them.

Both are free to download. Aquarium Harmony sells 3 in-app purchases, starting at $4.99 per month. Esense asks for nothing beyond the download.

Esense ships an update every 12 months, Aquarium Harmony every 6 weeks. The most recent releases landed on October 12, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Esense | Aquarium Harmony |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/esense/id958590127/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 12 months | **Every 6 weeks** |
| Monetization | Free | — |
| Size | 44 MB | 15 MB |
| Requires iOS | **10.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [EDS](https://appshunter.io/developer/958590126) | [Georgiy Gorokhov](https://appshunter.io/developer/1806278466) |

## What reviewers say

### Esense

[App page](https://appshunter.io/ios/app/esense/id958590127)

This app allows users to monitor various environmental sensors like temperature, humidity, and noise. It sends push notifications for alarms when predefined limits are exceeded. Data can be viewed on the mobile app and web interface, with reporting options available.

**Highlights:** Temperature, humidity, noise sensor monitoring, Push notification alarms, Web interface access, Weekly, monthly, yearly reports, Supports up to 4 sensors per panel

**In-app purchases:** none


### Aquarium Harmony

[App page](https://appshunter.io/ios/app/aquarium-harmony/id6790428231)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium — Monthly | $4.99 | per month |
| Premium — Annual | $19.99 | per year |
| Premium — Lifetime | $39.99 | one-time |


## Frequently asked questions

### Is Esense free?

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

### Is Aquarium Harmony free?

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

### Do Esense or Aquarium Harmony have ads?

Aquarium Harmony shows ads; Esense does not.

### Which is updated more often, Esense or Aquarium Harmony?

Esense ships an update every 12 months, and Aquarium Harmony every 6 weeks. Most recently, Esense was updated on October 12, 2026 and Aquarium Harmony 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.*