# AquaSpa vs Studd ID

The clearest difference is update cadence: Studd ID at monthly against AquaSpa's every 8 months. AquaSpa's advantage is iOS requirement (13.0 vs 15.1). 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.

AquaSpa ships an update every 8 months, Studd ID monthly. The most recent releases landed on October 10, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | AquaSpa | Studd ID |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Monthly** |
| Size | 48 MB | 38 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Phorest](https://appshunter.io/developer/623199517) | [NetNordic Solutions AS](https://appshunter.io/developer/1477830116) |

## What reviewers say

### AquaSpa

[App page](https://appshunter.io/ios/app/aquaspa/id1352935910)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### Studd ID

[App page](https://appshunter.io/ios/app/studd-id/id6447625599)

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

**In-app purchases:** none


## Frequently asked questions

### Is AquaSpa free?

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

### Is Studd ID free?

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

### Do AquaSpa or Studd ID have ads?

Neither AquaSpa nor Studd ID shows ads.

### Which is updated more often, AquaSpa or Studd ID?

AquaSpa ships an update every 8 months, and Studd ID monthly. Most recently, AquaSpa was updated on October 10, 2026 and Studd ID on October 3, 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.*