# S vs AquaReef Pro

The clearest difference is update cadence: S at fortnightly against AquaReef Pro's every 3 months. S also leads on iOS requirement (10.0 vs 13.0). On price, ads, in-app purchases and device support there is nothing between them.

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

S ships an update fortnightly, AquaReef Pro every 3 months. The most recent releases landed on November 6, 2026 and November 11, 2026 respectively.

## The numbers

| Metric | S | AquaReef Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 months |
| Size | 9 MB | 15 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Teleste Corporation](https://appshunter.io/developer/531643806) | [ALSTEK ELEKTRONIK YAZILIM BILISIM TEKNOLOJILERI SANAYI VE TICARET LIMITED SIRKETI](https://appshunter.io/developer/1041808909) |

## What reviewers say

### S

[App page](https://appshunter.io/ios/app/s-vmx-client-mobile/id852871841)

**Features:** macOS Compatibility

**In-app purchases:** none


### AquaReef Pro

[App page](https://appshunter.io/ios/app/aquareef-pro/id1460585863)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is S free?

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

### Is AquaReef Pro free?

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

### Do S or AquaReef Pro have ads?

Neither S nor AquaReef Pro shows ads.

### Which is updated more often, S or AquaReef Pro?

S ships an update fortnightly, and AquaReef Pro every 3 months. Most recently, S was updated on November 6, 2026 and AquaReef Pro on November 11, 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.*