# OPERI vs Invofy

OPERI and Invofy are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. OPERI sells 3 one-off in-app purchases and Invofy sells 3 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

OPERI ships an update every 5 weeks, Invofy every 3 weeks. The most recent releases landed on October 28, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | OPERI | Invofy |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Size | 45 MB | 55 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [INTERNATIONAL CENTRE FOR INDUSTRIAL TRANSFORMATION LTD.](https://appshunter.io/developer/1807209740) | [SUBLY ILERI MUHENDISLIK HIZMETLERI LIMITED SIRKETI](https://appshunter.io/developer/6783304800) |

## What reviewers say

### 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 |


### Invofy

[App page](https://appshunter.io/ios/app/invofy-invoice-maker/id6758665867)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Invofy Weekly | $0.99 | per 7 days |
| Invofy Monthly | $2.99 | per month |
| Invofy Yearly | $29.99 | per year |


## Frequently asked questions

### Is OPERI free?

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

### Is Invofy free?

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

### Do OPERI or Invofy have ads?

Neither OPERI nor Invofy shows ads.

### Which is updated more often, OPERI or Invofy?

OPERI ships an update every 5 weeks, and Invofy every 3 weeks. Most recently, OPERI was updated on October 28, 2026 and Invofy on October 13, 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.*