# SmartAquar vs VLEN

The clearest difference is rating: VLEN at 5.0 against SmartAquar's 2.0. VLEN also leads on iOS requirement (12.0 vs 15.5). SmartAquar's advantage is update cadence (every 2 months vs every 12 months) and ratings volume (3 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

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

VLEN holds the better App Store score, 5.0 against 2.0. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

SmartAquar ships an update every 2 months, VLEN every 12 months. The most recent releases landed on July 21, 2026 and June 2, 2026 respectively.

## The numbers

| Metric | SmartAquar | VLEN |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (3 ratings)](https://appshunter.io/ios/app/smartaquar/id1603612596/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/vlen/id6460819259/reviews)** |
| Number of ratings | **3** | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 12 months |
| Monetization | Free | Free |
| Size | 69 MB | 58 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) | [扬州威能](https://appshunter.io/developer/1053644536) |

## 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


### VLEN

[App page](https://appshunter.io/ios/app/vlen/id6460819259)

Control and manage smart home devices from various brands with this comprehensive app. It enables remote operation, intelligent scene creation, and home sharing for a connected living experience. Supports voice commands and multiple languages.

**Highlights:** Remote device control, Intelligent scene linkage, Multi-brand compatibility, Home sharing, Voice control integration, Multilingual support

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SmartAquar free?

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

### Is VLEN free?

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

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

VLEN is rated higher. SmartAquar averages 2.0 out of 5 from 3 ratings, while VLEN averages 5.0 from 1 ratings.

### Do SmartAquar or VLEN have ads?

Neither SmartAquar nor VLEN shows ads.

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

SmartAquar ships an update every 2 months, and VLEN every 12 months. Most recently, SmartAquar was updated on July 21, 2026 and VLEN on June 2, 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.*