# Spa Formula vs ARETIASpace

The clearest difference is update cadence: ARETIASpace at every 5 days against Spa Formula's every 4 months. 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.

Spa Formula ships an update every 4 months, ARETIASpace every 5 days. The most recent releases landed on October 4, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Spa Formula | ARETIASpace |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 5 days** |
| Size | 10 MB | 1.3 GB |
| Requires iOS | 11.0 | 11.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [SPA FORMULA LIMITED](https://appshunter.io/developer/1517745572) | [Axon Technology Limited](https://appshunter.io/developer/1290778172) |

## What reviewers say

### Spa Formula

[App page](https://appshunter.io/ios/app/spa-formula/id1517745573)

**Features:** macOS Compatibility

**In-app purchases:** none


### ARETIASpace

[App page](https://appshunter.io/ios/app/aretiaspace/id6453476083)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Spa Formula free?

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

### Is ARETIASpace free?

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

### Do Spa Formula or ARETIASpace have ads?

Neither Spa Formula nor ARETIASpace shows ads.

### Which is updated more often, Spa Formula or ARETIASpace?

Spa Formula ships an update every 4 months, and ARETIASpace every 5 days. Most recently, Spa Formula was updated on October 4, 2026 and ARETIASpace on October 7, 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.*
