# SmartAquar vs Kassray

The clearest difference is rating: SmartAquar at 2.0 against Kassray's 1.0. SmartAquar also leads on ratings volume (3 vs 1). Kassray's advantage is iOS requirement (12.0 vs 15.5). On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SmartAquar holds the better App Store score, 2.0 against 1.0. Both are backed by a comparable volume of ratings — 3 and 1 respectively. Written reviews split almost evenly too, at 0% and 0% positive.

Both ship on a similar rhythm, roughly every 2 months. Both last shipped on July 21, 2026.

## The numbers

| Metric | SmartAquar | Kassray |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (3 ratings)](https://appshunter.io/ios/app/smartaquar/id1603612596/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/kassray/id6503038161/reviews) |
| Number of ratings | **3** | 1 |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | Free |
| Size | 69 MB | 29 MB |
| Requires iOS | 15.5 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Gizwits IoT Technology Co., Ltd.](https://appshunter.io/developer/1468450527) | [宇成 邓](https://appshunter.io/developer/1747837700) |

## What reviewers say

### SmartAquar

[App page](https://appshunter.io/ios/app/smartaquar/id1603612596)

Remotely manage your aquarium's heating rod from any location. Supports controlling multiple devices simultaneously and allows for easy sharing with family members. Receive instant notifications about your tank's status.

**Highlights:** Remote heating rod control, Multi-device support, Automatic operation, Device sharing, Real-time condition alerts

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

**In-app purchases:** none


### Kassray

[App page](https://appshunter.io/ios/app/kassray/id6503038161)

This application allows users to control aquarium lighting. It provides functionality for managing light settings and schedules for aquatic environments.

**Highlights:** Aquarium lighting control, Light setting management, Schedule management, Aquatic environment lighting

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

**In-app purchases:** none


## Frequently asked questions

### Is SmartAquar free?

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

### Is Kassray free?

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

### Which has better reviews, SmartAquar or Kassray?

SmartAquar is rated higher. SmartAquar averages 2.0 out of 5 from 3 ratings, while Kassray averages 1.0 from 1 ratings.

### Do SmartAquar or Kassray have ads?

Neither SmartAquar nor Kassray shows ads.

### Which is updated more often, SmartAquar or Kassray?

SmartAquar ships an update every 2 months, and Kassray every 2 months. Most recently, SmartAquar was updated on July 21, 2026 and Kassray on July 21, 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.*