# VSON vs Reef Buddy

The clearest difference is review sentiment: Reef Buddy at 55% against VSON's 0%. Reef Buddy also leads on rating (3.9 vs 1.0) and update cadence (every 2 weeks vs every 6 weeks). VSON's advantage is in-app purchases (none vs 4) and iOS requirement (12.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Reef Buddy sells 4 in-app purchases, starting at $0.99 per 7 days. VSON asks for nothing beyond the download.

Reef Buddy holds the better App Store score, 3.9 against 1.0. That said, the two scores are not equally well evidenced: Reef Buddy has 20 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 0% of VSON's written reviews are positive against 55% of Reef Buddy's.

VSON ships an update every 6 weeks, Reef Buddy every 2 weeks. The most recent releases landed on October 22, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | VSON | Reef Buddy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (2 ratings)](https://appshunter.io/ios/app/vson/id1552169767/reviews) | **[3.9 (20 ratings)](https://appshunter.io/ios/app/reef-buddy-reef-tank-tracker/id1593580822/reviews)** |
| Number of ratings | 2 | **20** |
| Positive reviews | 0.0% of reviews | **54.5% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 2 weeks** |
| Monetization | **Free** | Freemium |
| Size | 31 MB | 46 MB |
| Requires iOS | **12.0** | 26.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Vson Technology Co., Ltd](https://appshunter.io/developer/938010223) | [District Web](https://appshunter.io/developer/595076846) |

## What reviewers say

### VSON

[App page](https://appshunter.io/ios/app/vson/id1552169767)

This app connects your mobile device to smart home hardware for convenient management and monitoring. It allows for fast interaction with smart devices and provides real-time insights into your home environment.

**Highlights:** Smart hardware management, Mobile phone and smart device interaction, Interconnection between smart devices, Real-time device monitoring, Home environment monitoring

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

**In-app purchases:** none


### Reef Buddy

[App page](https://appshunter.io/ios/app/reef-buddy-reef-tank-tracker/id1593580822)

Easily log, monitor, and analyze your saltwater aquarium's critical parameters. Get smart insights and personalized advice to maintain a healthy reef tank. Syncs across devices and offers guidance for manual test results.

**Highlights:** Log critical aquarium parameters, Monitor KH, salinity, pH, Ca, Mg, and more, Analyze data with automated insights, Sync data across iPhone and iPad, Guidance for manual test kit results, Personalized advice with premium subscription

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Reef Buddy Pro Weekly | $0.99 | per 7 days |
| Reef Buddy Pro | $1.99 | per month |
| Reef buddy pro month | $3.99 | per month |
| Reef buddy pro annual | $44.99 | per year |


## Frequently asked questions

### Is VSON free?

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

### Is Reef Buddy free?

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

### Which has better reviews, VSON or Reef Buddy?

Reef Buddy is rated higher. VSON averages 1.0 out of 5 from 2 ratings, while Reef Buddy averages 3.9 from 20 ratings.

### Do VSON or Reef Buddy have ads?

Neither VSON nor Reef Buddy shows ads.

### Which is updated more often, VSON or Reef Buddy?

VSON ships an update every 6 weeks, and Reef Buddy every 2 weeks. Most recently, VSON was updated on October 22, 2026 and Reef Buddy 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.*