# Outdid vs Zeronym Passport Verifier

The clearest difference is rating: Zeronym Passport Verifier at 3.7 against Outdid's 1.0. Zeronym Passport Verifier also leads on ratings volume (3 vs 1). Outdid's advantage is update cadence (every 5 days vs every 2 months). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Zeronym Passport Verifier holds the better App Store score, 3.7 against 1.0. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

Outdid ships an update every 5 days, Zeronym Passport Verifier every 2 months. The most recent releases landed on September 23, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Outdid | Zeronym Passport Verifier |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/outdid/id6468100509/reviews) | **[3.7 (3 ratings)](https://appshunter.io/ios/app/zeronym-passport-verifier/id6736898551/reviews)** |
| Number of ratings | 1 | **3** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 2 months |
| Monetization | Free | Free |
| Size | 66 MB | 4 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [PUI Ltd](https://appshunter.io/developer/1709525185) | [Holonym foundation](https://appshunter.io/developer/1751105337) |

## What reviewers say

### Outdid

[App page](https://appshunter.io/ios/app/outdid/id6468100509)

Verify your identity online without revealing personal data or document photos. This app uses advanced privacy technology to confirm your details, ensuring your information remains secure and private. Once verified, future verifications can be completed with a single click.

**Highlights:** Private identity verification, No personal data sharing, No document photo sharing, One-click re-verification, Enhanced privacy technology

**In-app purchases:** none


### Zeronym Passport Verifier

[App page](https://appshunter.io/ios/app/zeronym-passport-verifier/id6736898551)

Securely verify your identity using your NFC-enabled passport without sharing personal data. This app leverages zero-knowledge technology to create cryptographic proofs for authentication, ensuring your information remains private.

**Highlights:** Zero-knowledge privacy, NFC passport verification, Cryptographic proofs, Supports over 150 countries, No third-party data sharing

**In-app purchases:** none


## Frequently asked questions

### Is Outdid free?

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

### Is Zeronym Passport Verifier free?

Zeronym Passport Verifier is free to download, with no in-app purchases.

### Which has better reviews, Outdid or Zeronym Passport Verifier?

Zeronym Passport Verifier is rated higher. Outdid averages 1.0 out of 5 from 1 ratings, while Zeronym Passport Verifier averages 3.7 from 3 ratings.

### Do Outdid or Zeronym Passport Verifier have ads?

Neither Outdid nor Zeronym Passport Verifier shows ads.

### Which is updated more often, Outdid or Zeronym Passport Verifier?

Outdid ships an update every 5 days, and Zeronym Passport Verifier every 2 months. Most recently, Outdid was updated on September 23, 2026 and Zeronym Passport Verifier on October 20, 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.*