# Siopi vs Opniion

The clearest difference is ads: Opniion at none against Siopi's shown. Opniion also leads on update cadence (weekly vs every 5 weeks). Siopi's advantage is iOS requirement (13.0 vs 15.1). On price, in-app purchases and device support there is nothing between them.

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

Siopi ships an update every 5 weeks, Opniion weekly. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Siopi | Opniion |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | **Weekly** |
| Monetization | Ad-supported | — |
| Size | 87 MB | 54 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 12+ |
| Developer | [SIOPI](https://appshunter.io/developer/1571284674) | [VALENTIN NICOLAS HUBERT BAUD](https://appshunter.io/developer/6776116890) |

## What reviewers say

### Siopi

[App page](https://appshunter.io/ios/app/siopi/id1571284672)

Connect with others managing tinnitus and discover a wealth of information on therapies. Earn rewards for your contributions and enjoy a faster, more intuitive experience with enhanced search and filtering.

**Highlights:** Reward system for contributions, Faster screen loading times, Embedded search, filter, and sorting, Hundreds of documented therapies, Tinnitus learning community

**Features:** macOS Compatibility

**In-app purchases:** none


### Opniion

[App page](https://appshunter.io/ios/app/opniion/id6776116888)

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

**In-app purchases:** none


## Frequently asked questions

### Is Siopi free?

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

### Is Opniion free?

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

### Do Siopi or Opniion have ads?

Siopi shows ads; Opniion does not.

### Which is updated more often, Siopi or Opniion?

Siopi ships an update every 5 weeks, and Opniion weekly. Most recently, Siopi was updated on November 3, 2026 and Opniion on October 31, 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.*