# Loop Engineering Ai vs Arky

The clearest difference is in-app purchases: Arky at none against Loop Engineering Ai's 3. Arky also leads on ads (none vs shown). Loop Engineering Ai's advantage is device support (3 vs 1). On price and iOS requirement there is nothing between them.

Both are free to download. Loop Engineering Ai sells 3 in-app purchases, starting at $3.99 per month. Arky asks for nothing beyond the download.

## The numbers

| Metric | Loop Engineering Ai | Arky |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | — |
| Size | 36 MB | 40 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Hamza khan](https://appshunter.io/developer/6783310834) | [Arky](https://appshunter.io/developer/6798485173) |

## What reviewers say

### Loop Engineering Ai

[App page](https://appshunter.io/ios/app/loop-engineering-ai-workflow/id6785467171)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Loop Engineering Pro Monthly | $3.99 | per month |
| Loop Engineering Pro Yearly | $24.99 | per year |
| Loop Engineering Lifetime Pro | $44.99 | one-time |


### Arky

[App page](https://appshunter.io/ios/app/arky-your-knowledge-canvas/id6798485171)

**In-app purchases:** none


## Frequently asked questions

### Is Loop Engineering Ai free?

Loop Engineering Ai is free to download, with in-app purchases available.

### Is Arky free?

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

### Do Loop Engineering Ai or Arky have ads?

Loop Engineering Ai shows ads; Arky 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.*