# My OPAC vs EVSTEP

The clearest difference is iOS requirement: My OPAC at 6.0 against EVSTEP's 13.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 5 weeks. The most recent releases landed on June 25, 2026 and July 8, 2026 respectively.

## The numbers

| Metric | My OPAC | EVSTEP |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 11.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | Every 5 weeks |
| Monetization | Free | — |
| Size | 3 MB | 57 MB |
| Requires iOS | **6.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Pyramid Software and Consulting Company Limited](https://appshunter.io/developer/885416042) | [Minh Nguyen Ba](https://appshunter.io/developer/1549498900) |

## What reviewers say

### My OPAC

[App page](https://appshunter.io/ios/app/my-opac/id965464674)

This application serves as a digital catalog and e-reader for library collections. It allows users to search for and access library resources on various digital devices. The app is available for free on multiple operating systems.

**Highlights:** Digital library catalog, E-book reader, Search library resources, Cross-device compatibility, Free to use

**Features:** macOS Compatibility

**In-app purchases:** none


### EVSTEP

[App page](https://appshunter.io/ios/app/evstep/id6636481464)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is My OPAC free?

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

### Is EVSTEP free?

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

### Do My OPAC or EVSTEP have ads?

Neither My OPAC nor EVSTEP shows ads.

### Which is updated more often, My OPAC or EVSTEP?

My OPAC ships an update every 5 weeks, and EVSTEP every 5 weeks. Most recently, My OPAC was updated on June 25, 2026 and EVSTEP on July 8, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*