# PipeDims vs Arium

The clearest difference is in-app purchases: PipeDims at none against Arium's 1. PipeDims also leads on iOS requirement (15.0 vs 18.5). Arium's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Arium sells 1 one-off in-app purchase. PipeDims asks for nothing beyond the download.

## The numbers

| Metric | PipeDims | Arium |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | — | Every 11 days |
| Size | 7 MB | 30 MB |
| Requires iOS | **15.0** | 18.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Brook Wallace](https://appshunter.io/developer/1234097174) | [Busra Yesilalioglu](https://appshunter.io/developer/1856009559) |

## What reviewers say

### PipeDims

[App page](https://appshunter.io/ios/app/pipedims/id6480387906)

**Features:** macOS Compatibility

**In-app purchases:** none


### Arium

[App page](https://appshunter.io/ios/app/arium-habit-tracker-and-goals/id6755744111)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Arium Premium | $7.99 | one-time |


## Frequently asked questions

### Is PipeDims free?

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

### Is Arium free?

Arium is free to download, with in-app purchases available.

### Do PipeDims or Arium have ads?

PipeDims shows ads; Arium does not.

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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.*