# zkMe vs Outdid

The clearest difference is rating: zkMe at 3.4 against Outdid's 1.0. zkMe also leads on ratings volume (5 vs 1). Outdid's advantage is update cadence (every 5 days vs every 2 weeks). 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.

zkMe holds the better App Store score, 3.4 against 1.0. That said, the two scores are not equally well evidenced: zkMe has 5 ratings behind it against 1, so its average is the more settled of the two.

zkMe ships an update every 2 weeks, Outdid every 5 days. The most recent releases landed on October 22, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | zkMe | Outdid |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.4 (5 ratings)](https://appshunter.io/ios/app/zkme/id1672915706/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/outdid/id6468100509/reviews) |
| Number of ratings | **5** | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 5 days** |
| Monetization | Free | Free |
| Size | 211 MB | 66 MB |
| Requires iOS | 15 | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [zkMe Technology Limited](https://appshunter.io/developer/1672915708) | [PUI Ltd](https://appshunter.io/developer/1709525185) |

## What reviewers say

### zkMe

[App page](https://appshunter.io/ios/app/zkme/id1672915706)

This app uses zero-knowledge technology to verify credentials without revealing personal information. It allows users to prove eligibility for services by answering yes/no questions about their data, ensuring privacy and control.

**Highlights:** Zero-knowledge credential verification, Decentralized and private-by-design, Proves eligibility without disclosing PII, Self-sovereign data control, Generates mathematical zero-knowledge proofs, Verifies age without revealing birthday

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is zkMe free?

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

### Is Outdid free?

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

### Which has better reviews, zkMe or Outdid?

zkMe is rated higher. zkMe averages 3.4 out of 5 from 5 ratings, while Outdid averages 1.0 from 1 ratings.

### Do zkMe or Outdid have ads?

Neither zkMe nor Outdid shows ads.

### Which is updated more often, zkMe or Outdid?

zkMe ships an update every 2 weeks, and Outdid every 5 days. Most recently, zkMe was updated on October 22, 2026 and Outdid on September 23, 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.*