# Spirax Sarco Ball Valves vs Ar

The clearest difference is update cadence: Spirax Sarco Ball Valves at every 5 months against Ar's every 22 months. Spirax Sarco Ball Valves also leads on iOS requirement (7.1 vs 14.0). 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.

Spirax Sarco Ball Valves ships an update every 5 months, Ar every 22 months. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Spirax Sarco Ball Valves | Ar |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 22 months |
| Size | 36 MB | 75 MB |
| Requires iOS | **7.1** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Aeon Infinity](https://appshunter.io/developer/809724330) | [Mr. APPs s.r.l.](https://appshunter.io/developer/493882589) |

## What reviewers say

### Spirax Sarco Ball Valves

[App page](https://appshunter.io/ios/app/spirax-sarco-ball-valves/id879663550)

**Features:** macOS Compatibility

**In-app purchases:** none


### Ar

[App page](https://appshunter.io/ios/app/ar-store/id1544095841)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Spirax Sarco Ball Valves free?

Spirax Sarco Ball Valves is free to download, with no in-app purchases.

### Is Ar free?

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

### Do Spirax Sarco Ball Valves or Ar have ads?

Neither Spirax Sarco Ball Valves nor Ar shows ads.

### Which is updated more often, Spirax Sarco Ball Valves or Ar?

Spirax Sarco Ball Valves ships an update every 5 months, and Ar every 22 months. Most recently, Spirax Sarco Ball Valves was updated on October 26, 2026 and Ar on October 27, 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.*