# Publier Aventures vs OPSIS

Publier Aventures and OPSIS 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. Neither carries in-app purchases, so what you see is what you pay.

Publier Aventures ships an update every 11 months, OPSIS every 18 months. The most recent releases landed on November 6, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Publier Aventures | OPSIS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 11 months** | Every 18 months |
| Size | 90 MB | 56 MB |
| Requires iOS | 13.4 | **12.4** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Atelier Nature](https://appshunter.io/developer/1370448795) | [HDP Interactive](https://appshunter.io/developer/1604384572) |

## What reviewers say

### Publier Aventures

[App page](https://appshunter.io/ios/app/publier-aventures/id1466785320)

**In-app purchases:** none


### OPSIS

[App page](https://appshunter.io/ios/app/opsis/id1604384570)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Publier Aventures free?

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

### Is OPSIS free?

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

### Do Publier Aventures or OPSIS have ads?

Neither Publier Aventures nor OPSIS shows ads.

### Which is updated more often, Publier Aventures or OPSIS?

Publier Aventures ships an update every 11 months, and OPSIS every 18 months. Most recently, Publier Aventures was updated on November 6, 2026 and OPSIS 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.*