# OPO vs Amp Association

OPO and Amp Association are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support 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.

## The numbers

| Metric | OPO | Amp Association |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/opo/id1470738036/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 90.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Free | — |
| Size | 87 MB | 38 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [BeBox Limited](https://appshunter.io/developer/1470738035) | [Amp Association](https://appshunter.io/developer/6807094562) |

## What reviewers say

### OPO

[App page](https://appshunter.io/ios/app/opo/id1470738036)

Discover immersive wellness experiences designed to reduce stress and anxiety. This app pairs guided meditation with curated soundscapes and real-life views to enhance relaxation, focus, and motivation. Find designated 'portals' in your surroundings or use sessions at home, work, or on the go.

**Highlights:** Guided meditation sessions, Curated soundscapes, Real-life view integration, Discover local wellness 'portals', Stress and anxiety reduction, Focus and motivation enhancement

**Features:** macOS Compatibility

**In-app purchases:** none


### Amp Association

[App page](https://appshunter.io/ios/app/amp-association/id6807094560)

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

**In-app purchases:** none


## Frequently asked questions

### Is OPO free?

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

### Is Amp Association free?

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

### Do OPO or Amp Association have ads?

Neither OPO nor Amp Association shows ads.

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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.*