# Zirius+ vs OPERI

The clearest difference is in-app purchases: Zirius+ at none against OPERI's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. OPERI sells 3 one-off in-app purchases. Zirius+ asks for nothing beyond the download.

Zirius+ ships an update every 2 months, OPERI every 5 weeks. The most recent releases landed on October 25, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Zirius+ | OPERI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Size | 60 MB | 45 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Zirius AS](https://appshunter.io/developer/1476068375) | [INTERNATIONAL CENTRE FOR INDUSTRIAL TRANSFORMATION LTD.](https://appshunter.io/developer/1807209740) |

## What reviewers say

### Zirius+

[App page](https://appshunter.io/ios/app/zirius-plus/id6465172168)

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

**In-app purchases:** none


### OPERI

[App page](https://appshunter.io/ios/app/operi-operational-readiness/id6744343045)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OPERI Assessment: Referral 50% | $18.90 | one-time |
| OPERI Assessment: Referral 25% | $29.99 | one-time |
| OPERI Assessment | $36.99 | one-time |


## Frequently asked questions

### Is Zirius+ free?

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

### Is OPERI free?

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

### Do Zirius+ or OPERI have ads?

Neither Zirius+ nor OPERI shows ads.

### Which is updated more often, Zirius+ or OPERI?

Zirius+ ships an update every 2 months, and OPERI every 5 weeks. Most recently, Zirius+ was updated on October 25, 2026 and OPERI on October 30, 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.*