# VISTA (VMRDA) vs Orris

The clearest difference is in-app purchases: VISTA (VMRDA) at none against Orris's 10. VISTA (VMRDA) also leads on iOS requirement (13.0 vs 15.1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Orris sells 10 in-app purchases, starting at $10.00 per month. VISTA (VMRDA) asks for nothing beyond the download.

VISTA (VMRDA) ships an update every 8 days, Orris weekly. The most recent releases landed on October 20, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | VISTA (VMRDA) | Orris |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/orris/id6759922374/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 20.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 days | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 38 MB | 78 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Aneel Chintha](https://appshunter.io/developer/1465200947) | [Orris Care, Inc.](https://appshunter.io/developer/1881674680) |

## What reviewers say

### VISTA (VMRDA)

[App page](https://appshunter.io/ios/app/vista-vmrda/id6758517077)

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

**In-app purchases:** none


### Orris

[App page](https://appshunter.io/ios/app/orris/id6759922374)

This AI-powered system provides healthcare professionals with rapid, evidence-based answers for clinical decision-making. It assists with differential diagnoses, treatment evaluations, and interpreting clinical data at the point of care.

**Highlights:** Context-aware clinical answers, Differential diagnosis support, Treatment guidance, Clinical data interpretation, Workflow integration

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Orris Pro | $10.00 | per month |
| Orris Max | $20.00 | per month |
| Orris Ultra | $100.00 | per month |
| 250 Credits | $1.00 | one-time |
| 500 Credits | $2.00 | one-time |
| 750 Credits | $3.00 | one-time |
| 1000 Credits | $4.00 | one-time |
| 1500 Credits | $6.00 | one-time |
| 1750 Credits | $7.00 | one-time |
| 2000 Credits | $8.00 | one-time |


## Frequently asked questions

### Is VISTA (VMRDA) free?

VISTA (VMRDA) is free to download, with no in-app purchases.

### Is Orris free?

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

### Do VISTA (VMRDA) or Orris have ads?

Neither VISTA (VMRDA) nor Orris shows ads.

### Which is updated more often, VISTA (VMRDA) or Orris?

VISTA (VMRDA) ships an update every 8 days, and Orris weekly. Most recently, VISTA (VMRDA) was updated on October 20, 2026 and Orris on October 28, 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.*