# Arkio vs Sternzy

The clearest difference is update cadence: Sternzy at weekly against Arkio's every 3 weeks. Arkio's advantage is device support (4 vs 2) and iOS requirement (15.0 vs 17.6). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Arkio sells 5 in-app purchases, starting at $19.99 per month and Sternzy sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Arkio ships an update every 3 weeks, Sternzy weekly. The most recent releases landed on October 7, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Arkio | Sternzy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.1 (7 ratings)](https://appshunter.io/ios/app/arkio/id1441534242/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 335 MB | 3 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Arkio](https://appshunter.io/developer/1441534241) | [David Stern](https://appshunter.io/developer/6771868079) |

## What reviewers say

### Arkio

[App page](https://appshunter.io/ios/app/arkio/id1441534242)

Collaborate on architectural and design projects in immersive 3D environments. Import large models, present ideas, and gather feedback with tools for markup, voice notes, and AI rendering. Offers VR and multi-device support for seamless teamwork.

**Highlights:** Import large 3D AEC models, Collaborative VR and MR experiences, AI rendering and presentation tools, Voice and text issue capture, Built-in modeling and ideation tools, Layer management and sun studies

**Features:** Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Arkio Plus Montly | $19.99 | per month |
| Arkio Pro Subscription | $44.99 | per month |
| Arkio Plus 3 Months | $44.99 | per 3 months |
| Arkio Plus Yearly | $119.99 | per year |
| Arkio Plus Asset Pack | $9.99 | one-time |


### Sternzy

[App page](https://appshunter.io/ios/app/sternzy-docscan/id6778944240)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| $0.99 Coffee Tip | $0.99 | one-time |
| $1.99 Coffee Tip | $1.99 | one-time |
| $4.99 Coffee Tip | $4.99 | one-time |
| $9.99 Coffee Tip | $9.99 | one-time |


## Frequently asked questions

### Is Arkio free?

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

### Is Sternzy free?

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

### Do Arkio or Sternzy have ads?

Neither Arkio nor Sternzy shows ads.

### Which is updated more often, Arkio or Sternzy?

Arkio ships an update every 3 weeks, and Sternzy weekly. Most recently, Arkio was updated on October 7, 2026 and Sternzy on October 18, 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.*