# caslab Pay vs Aqualinks

The clearest difference is update cadence: Aqualinks at every 3 weeks against caslab Pay's every 3 months. Aqualinks also leads on iOS requirement (13.0 vs 15.0). 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.

caslab Pay ships an update every 3 months, Aqualinks every 3 weeks. The most recent releases landed on October 7, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | caslab Pay | Aqualinks |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Size | 68 MB | 23 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [PAYMENT CONTROL SYSTEMS SOCIEDAD LIMITADA](https://appshunter.io/developer/1559705723) | [MIGUEL MOR SAENZ](https://appshunter.io/developer/1838478211) |

## What reviewers say

### caslab Pay

[App page](https://appshunter.io/ios/app/caslab-pay/id1615398396)

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

**In-app purchases:** none


### Aqualinks

[App page](https://appshunter.io/ios/app/aqualinks/id6754718375)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is caslab Pay free?

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

### Is Aqualinks free?

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

### Do caslab Pay or Aqualinks have ads?

Neither caslab Pay nor Aqualinks shows ads.

### Which is updated more often, caslab Pay or Aqualinks?

caslab Pay ships an update every 3 months, and Aqualinks every 3 weeks. Most recently, caslab Pay was updated on October 7, 2026 and Aqualinks on September 28, 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.*