Best Zero Knowledge Apps & Games

105+ iOS apps & games curated and reviewed

3.9 avg rating

20 free apps & games

Updated August 2026

Looking for free zero knowledge apps and games? 20 of our 105+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Zero Knowledge Apps & Games (August 2026)

#	App	Price	Rating	Ads	In-App Purchases	Updated
1	Facts – Daily Trivia	Free	3.0★ (2)	No	Yes	Aug 2026
2	SoloPass: Zero-Knowledge Vault	Free	—	No	No	Jul 2026
3	Contingency Zero	Free	5.0★ (2)	Yes	Yes	Aug 2026
4	NSW DKT 2025	Free	—	Yes	No	May 2026
5	Outdid	Free	1.0★ (1)	No	No	May 2026
6	TransGate	Free	4.8★ (8)	No	No	Jul 2026
7	Zeronym Passport Verifier	Free	3.0★ (2)	No	No	Jul 2026
8	Bread Wallet by Miden	Free	—	No	No	Aug 2026

Top Picks for Zero Knowledge

#1

Facts – Daily Trivia by 25Bugs GmbH

2,000+ useless fun facts

Editor's Choice

🎬 Entertainment

3.0(2 ratings)

FreeIn-App Purchases

Facts – Daily Trivia screenshot 1

Facts – Daily Trivia screenshot 2

Facts – Daily Trivia screenshot 3

Discover over 2,000 bizarre, funny, and utterly absurd facts and trivia. Scroll through an endless feed of pointless knowledge, random wisdom, and quirky insights perfect for quick entertainment during breaks or commutes.

#2

SoloPass: Zero-Knowledge Vault by HOOI KOON BAN

Strong Contender

📊 Productivity

0.0(0 ratings)

Free

SoloPass: Zero-Knowledge Vault screenshot 1

SoloPass: Zero-Knowledge Vault screenshot 2

SoloPass: Zero-Knowledge Vault screenshot 3

SoloPass: Zero-Knowledge Vault screenshot 4

SoloPass: Zero-Knowledge Vault screenshot 5

SoloPass: Zero-Knowledge Vault screenshot 6

#3

Contingency Zero by NULIA.US Corp.

Safeguard Your Family's Future

Worth Considering

💰 Finance

5.0(2 ratings)

FreeAdsIn-App Purchases

Contingency Zero screenshot 1

Contingency Zero screenshot 2

Contingency Zero screenshot 3

Contingency Zero screenshot 4

Contingency Zero screenshot 5

This app helps you organize and secure important family information for emergencies. It allows you to create digital 'binders' for assets and share them with trusted contacts, ensuring your loved ones have access when they need it most.

More Zero Knowledge apps to explore

NSW Driver Knowledge Test

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.

Private identity verificationNo personal data sharingNo document photo sharing

by IFCONNECT TECHNOLOGY LIMITED.

This app generates zero-knowledge proofs for web data directly on your device, ensuring complete privacy. It uses advanced protocols to verify credentials, assets, and connections without revealing sensitive information.

Local proof generation on devicePrivacy-preserving data verificationUniversal HTTPS website compatibility

Zeronym Passport Verifier

Zeronym Passport Verifier

Zeronym Passport Verifier

Verify NFC Passports Privately

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.

Zero-knowledge privacyNFC passport verificationCryptographic proofs

Bread Wallet by Miden

Bread Wallet by Miden

Bread Wallet by Miden

by Miden Technologies (US) Corp.

by Peak Pacific Knowledge Private Limited

Decentralized. Private. Yours.

Ocean's Wave: Private Chat

Ocean's Wave: Private Chat

Ocean's Wave: Private Chat

Encrypted voice that vanishes

🌐 Social Networking

Security+ Test Prep

Security+ Test Prep

Security+ Test Prep

CompTIA SY0-701 Practice Tests

Prepare for the CompTIA Security+ (SY0-701) certification with practice tests and study modes. Master key concepts, reinforce topics, and build confidence with daily questions, quizzes, and full-length mock exams. Designed by certified professionals for flexible, on-the-go learning.

Daily practice questions10-question quizzesSubject-based quizzes

free with in-app purchases

Leo Wallet - For Aleo

Leo Wallet - For Aleo

Leo Wallet - For Aleo

The Best Privacy Wallet

This application provides a secure and private way to manage cryptocurrency transactions on the Aleo blockchain. It leverages Zero Knowledge Proofs to ensure your financial activities remain confidential, offering a dedicated solution for Aleo users.

Zero Knowledge Proofs integrationExclusive for Aleo BlockchainSecure management of Aleo keys

Client-side encrypted storage

Securely store and access your photos, videos, and documents with client-side encryption. Create encrypted Safe Boxes, upload and download files, and use biometrics for access. Your data remains private and inaccessible to anyone but you.

Client-side encryptionZero-knowledge storageCreate Safe Boxes

📊 Productivity

Note Link by DCS0

Note Link by DCS0

Note Link by DCS0

798 ideas -> 1 app that links

Zero-Knowledge AI Assistant

This AI assistant offers unparalleled context and security for enterprises, processing large documents with end-to-end encryption. It's designed for regulated industries needing data residency, transparent AI, and audit capabilities.

1M token context windowZero-knowledge security architectureTeam collaboration with annotations

free with in-app purchases

BrainLoop (7f0e85)

BrainLoop (7f0e85)

BrainLoop (7f0e85)

The addictive trivia quiz game

Encrypted Personal Recordings

Mupl - Private Music Player

Mupl - Private Music Player

Mupl - Private Music Player

Private music. Offline. Yours

EchoChat - Secure Messenger

EchoChat - Secure Messenger

EchoChat - Secure Messenger

Private E2E Encrypted Chats

🌐 Social Networking

FAQ about Zero Knowledge

What are the best zero knowledge apps & games for iPhone?

Facts – Daily Trivia tops our zero knowledge apps & games ranking as of August 2026, with a 3.0-star average from 2 App Store ratings, and it's free to download.

Are there free zero knowledge apps & games for iPhone?

Yes — 20 of the top zero knowledge apps & games we rank are free to download, including Facts – Daily Trivia and SoloPass: Zero-Knowledge Vault.

Does Facts – Daily Trivia have ads or in-app purchases?

Facts – Daily Trivia has no ads and offers in-app purchases, according to its App Store listing as of August 2026.

How many zero knowledge apps & games are on the App Store?

We track 105+ zero knowledge apps & games on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.

What kind of facts does Facts – Daily Trivia offer?

Facts – Daily Trivia provides over 2,000 bizarre, funny, and absurd facts. These range from trivia and random wisdom to quirky insights, often described as useless but entertaining.

How often is new content added to Facts – Daily Trivia?

The app was last updated on April 22, 2026, indicating a history of updates. While specific content update frequency isn't detailed, the app is designed for a continuous stream of new facts.