# Self vs Opacity

The clearest difference is rating: Opacity at 5.0 against Self's 4.4. Self's advantage is ratings volume (25 vs 4) and iOS requirement (15.4 vs 17.0). 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.

Opacity holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Self has 25 ratings behind it against 4, so its average is the more settled of the two.

Self ships an update every 11 days, Opacity every 2 weeks. The most recent releases landed on October 19, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Self | Opacity |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (25 ratings)](https://appshunter.io/ios/app/self-human-and-agent-identity/id6478563710/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/opacity/id6743722717/reviews)** |
| Number of ratings | **25** | 4 |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 2 weeks |
| Monetization | Free | Free |
| Size | 193 MB | 74 MB |
| Requires iOS | **15.4** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Proof of Passport, LLC](https://appshunter.io/developer/1733336544) | [Opacity Labs](https://appshunter.io/developer/1751419895) |

## What reviewers say

### Self

[App page](https://appshunter.io/ios/app/self-human-and-agent-identity/id6478563710)

This app provides a private and portable digital identity using zero-knowledge proofs. It allows users to prove their humanity and verify their identity across various applications without sharing unnecessary personal data, enhancing security and privacy in Web3 and beyond.

**Highlights:** zk Passport for secure sign-ins, Proof of Humanity verification, Web3 and DeFi access, Privacy-first data handling, One-tap verification, Aadhaar support (India)

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

**In-app purchases:** none


### Opacity

[App page](https://appshunter.io/ios/app/opacity/id6743722717)

Securely store and manage your digital identity, including logins and credentials. Prove facts about yourself without revealing sensitive data, and share verified information with full transparency. Maintain control over your online presence and reputation.

**Highlights:** Private, verified identity vault, Store logins and credentials, Prove identity facts without data exposure, Share verified information transparently, Connect and manage accounts, Build online reputation

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Self free?

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

### Is Opacity free?

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

### Which has better reviews, Self or Opacity?

Opacity is rated higher. Self averages 4.4 out of 5 from 25 ratings, while Opacity averages 5.0 from 4 ratings.

### Do Self or Opacity have ads?

Neither Self nor Opacity shows ads.

### Which is updated more often, Self or Opacity?

Self ships an update every 11 days, and Opacity every 2 weeks. Most recently, Self was updated on October 19, 2026 and Opacity on October 24, 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.*