Polygon ID vs zkMe
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Polygon ID
Create and manage your self-sovereign digital identity. Prove access rights and reputation privately using zero-knowledge cryptography. Access web3 and web2 services with secure, private on-chain verifications.
- Create and manage digital identity
- Prove access rights privately
- Manage verifiable claims
- Generate private proofs
- Secure authentication (biometrics/PIN)
- Identity recovery with seed phrase
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Polygon ID enables you to create and manage your own self-sovereign digital identity. Prove your access rights and reputation without revealing any of your personal information. Manage verifiable claims about your identity and generate private proofs for digital interactions. Polygon ID is an open-source and private by default identity system based on zero-knowledge cryptography (zkSNARK). With the Polygon ID app, you will have access to web3 and web2 services and the ability for private on-chain verifications. Convenient control: - Secure authentication with biometrics or a 6-digit PIN - Identity recovery with seed phrase mechanism Obtaining claims: - Scan an issuer’s QR code - Follow the steps to connect your identity with the issuer and retrieve your claims - Store and manage your claims from your wallet Presenting your private proofs: - Scan a verifier’s QR code - Accept the proof request presented in your wallet - Generate and share the private proof of your claims with the verifier.
zkMe
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.
- 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
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———— You, privately verified ———— zkMe verifies user credentials without disclosing any personal information to anyone! Through the use of innovative zero-knowledge technologies, it is the only KYC solution to be fully decentralized, private-by-design and compliant with global AML requirements. ———— Why is zkMe the ultimate tool to protect your privacy? ———— Unlike other eVerification solutions, the zkMe app actually does not share any personal identifiable information (PII) to anyone. By generating mathematical zero-knowledge proofs of knowledge (ZKP), the zkMe app only discloses yes/no answers to a list of predetermined eligibility questions on your credentials. For example, by using the zkMe app, you can prove you are over 18, without disclosing your actual birthday. ———— zkMe got you covered ———— Shield your Privacy - No credential verified through the zkMe app is stored on any centralized storage, making it virtually impossible for any private data leak. The only thing shared (if authorized by you) are yes/no answers to basic eligibility questions such as "are you over 18 years old?". Be Self-Sovereign - The zkMe app puts you in control of any and all sharing of your data, even if that data is anonymized through the use of zero-knowledge. You see and control which proofs have been generated and are active, which chain ecosystems these proofs are being used in and which applications have authorization to verify your eligibility. 3 easy steps to protect your identity online: - Verify credentials and generate ZK proofs - Connect your proofs to the ecosystems you are active in - Authorize the services you want to present proofs to Download the zkMe app to get your journey started today.
Screenshots
Verdict
The clearest difference is review sentiment: Polygon ID at 100% against zkMe's 0%. Polygon ID also leads on rating (4.3 vs 3.4). On price, ratings volume, update cadence and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Polygon ID holds the better App Store score, 4.3 against 3.4. Both are backed by a comparable volume of ratings — 7 and 5 respectively. Written reviews point the same way: 100% of Polygon ID's written reviews are positive against 0% of zkMe's.
Polygon ID ships an update every 3 weeks, zkMe every 2 weeks. The most recent releases landed on October 11, 2026 and October 22, 2026 respectively.
| Parameter | Polygon ID | zkMe |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (7 ratings) — better | 3.4 (5 ratings) |
| Positive reviews | 100.0% of reviews — better | 0.0% of reviews |
| Number of ratings | 7 — better | 5 |
| Update frequency | Every 3 weeks | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 14.0 — better | 15 |
| Further details — not scored | ||
| Size | 156 MB | 211 MB |
| Age rating | 4+ | 17+ |
| Developer | ZKID Labs AG | zkMe Technology Limited |
Customer experience
Polygon ID
zkMe
In-app purchases
Polygon ID
No in-app purchases
zkMe
No in-app purchases








