# Arklign vs Protrusive Guidance

The clearest difference is in-app purchases: Arklign at none against Protrusive Guidance's 19. Arklign also leads on ratings volume (23 vs 4). Protrusive Guidance's advantage is review sentiment (100% vs 67%) and rating (5.0 vs 4.7). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Protrusive Guidance sells 13 in-app purchases, starting at $21.99 per month. Arklign asks for nothing beyond the download.

Protrusive Guidance holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Arklign has 23 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 67% of Arklign's written reviews are positive against 100% of Protrusive Guidance's.

Arklign ships an update monthly, Protrusive Guidance weekly. The most recent releases landed on October 25, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Arklign | Protrusive Guidance |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (23 ratings)](https://appshunter.io/ios/app/arklign/id1333212842/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/protrusive-guidance/id6476525025/reviews)** |
| Number of ratings | **23** | 4 |
| Positive reviews | 66.7% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 108 MB | 146 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 9+ |
| Developer | [Arklign, Inc](https://appshunter.io/developer/1333212841) | [Protrusive Dental Ltd](https://appshunter.io/developer/1639877230) |

## What reviewers say

### Arklign

[App page](https://appshunter.io/ios/app/arklign/id1333212842)

This app streamlines case management for dental practices and labs, fostering collaboration and reducing errors. It provides actionable insights to identify cost-saving opportunities and make smarter decisions, ultimately driving down costs and saving time.

**Highlights:** Collaborative case management, Streamlined case workflow, Eliminates prescription errors, Prevents miscommunications, Up-to-date case status, Actionable cost-saving insights

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

**In-app purchases:** none


### Protrusive Guidance

[App page](https://appshunter.io/ios/app/protrusive-guidance/id6476525025)

This app provides a supportive online community for dental professionals to learn, share, and grow. It offers continuing education credits, exclusive masterclasses, and a vault of resources, all within a dedicated, ad-free environment.

**Highlights:** Community discussions and case studies, CPD/CDE credit system, Exclusive masterclasses and clinical videos, Live webinars with CPD accreditation, Resource vault with infographics and PDFs, Ad-free environment

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

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $21.99 | per month |
| Monthly Plan | $21.99 | per month |
| Monthly Plan | $29.99 | per month |
| Monthly Plan | $29.99 | per month |
| Monthly Plan | $49.99 | per month |
| Annual Plan | $179.99 | per year |
| Annual Plan | $179.99 | per year |
| Annual Plan | $189.99 | per year |
| Annual Plan | $189.99 | per year |
| Annual Plan | $199.99 | per year |
| Annual Plan | $449.99 | per year |
| Annual Plan | $499.99 | per year |
| Annual Plan | $599.99 | per year |


## Frequently asked questions

### Is Arklign free?

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

### Is Protrusive Guidance free?

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

### Which has better reviews, Arklign or Protrusive Guidance?

Protrusive Guidance is rated higher. Arklign averages 4.7 out of 5 from 23 ratings, while Protrusive Guidance averages 5.0 from 4 ratings.

### Do Arklign or Protrusive Guidance have ads?

Neither Arklign nor Protrusive Guidance shows ads.

### Which is updated more often, Arklign or Protrusive Guidance?

Arklign ships an update monthly, and Protrusive Guidance weekly. Most recently, Arklign was updated on October 25, 2026 and Protrusive Guidance 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.*