Comparison

ZERO Messenger vs Radar

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

ZERO Messenger

A secure and private messaging app built on decentralized architecture. It offers end-to-end encryption, Web3 integration, and no ads or surveillance. Reclaim your digital rights with this free, anonymous communication tool.

Highlights
  • Decentralized architecture
  • End-to-end encryption
  • Web3 wallet login
  • Token-gated chats
  • Cross-device access
  • No phone number required
  • Sleek and minimal design
Features
Read full description

Decentralized messaging for everyone. ZERO Messenger is secure, private, and free. No ads, no surveillance – reclaim your digital rights with ZERO. Decentralized - ZERO Messenger is built on decentralized architecture. Encrypted data is hosted on and shared between ZODEs; you can choose which ZODE will host your account, or you can run one of your own! Private - All conversations are end-to-end encrypted. No ads, no surveillance, completely anonymous; users are not required to provide personal data to create an account. Web3-Native - ZERO Messenger boasts Web3 (Ethereum) wallet login, identity verification with ZERO ID, the ability to create and join token-gated chats, and more. All Your Devices - Available on Web and Mobile. Access your conversations on all your devices. Secure Conversations of Any Size - Collaborate and share with individuals or groups of people in private, encrypted conversations. No Phone Number Required - Sign up with an Ethereum wallet and verify your identity with a ZERO ID. Sleek and Minimal - Designed with simplicity and ease of use in mind. Who are we? ZERO is a small startup empowering the citizens of our digital age with Web3 and decentralized technology. ZERO apps are built according to our values: Sovereignty, Decentralization, Security, Open Source, and Censorship Resistance.

About

Radar

Discover, track, and share movies, shows, games, and books. Organize your favorites with notes, tags, and collections in a private, secure library. Connect with friends to see their recommendations and share your own.

Highlights
  • Discover and track media
  • Organize personal library
  • Add notes and tags
  • Share with friends
  • Encrypted private notes
  • Native SwiftUI design
Features
Read full description

Radar is the one app you need to remember all the movies you want to see, shows to watch, books to read, games to play, and more. Build and organize your own personal library of things you want to do with tags, notes, and collections - even see what your friends are enjoying! - Everything in One Place No more scattered watchlists or notes you'll never go back to. Radar brings all your recommendations together in one beautifully designed, intuitive app. Spend less time searching and more time discovering what's next. - Build Your Personal Library Easily organize your favorites with statuses, ratings, reviews, notes, and tags. Create private collections, share them with friends to build together, or set up smart collections that organize themselves using filters you choose. Your private notes and tags are fully encrypted, and your data is never shared or sold. - Better With Friends See ratings and reviews from people you actually know, not just anonymous critics. Radar's social feed is non-algorithmic, built around what your friends are actually enjoying. Share anything from your library with friends, so you'll never lose track of a great recommendation ever again. - Built for Apple Platforms Built native in SwiftUI, Radar delivers unmatched speed, responsiveness, and design polish. No account is required, and if you choose to sign up, your personal data is encrypted before it ever leaves your device. No tracking. No invasive ads. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://justuseradar.com/privacy-policy

Screenshots

ZERO Messenger4 screens
Radar4 screens

Verdict

The call

The clearest difference is in-app purchases: ZERO Messenger at none against Radar's 2. ZERO Messenger also leads on update cadence (weekly vs every 3 weeks) and iOS requirement (18.5 vs 26.0). On price, rating, review sentiment and ratings volume 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Radar sells 2 in-app purchases, starting at $0.99 per month. ZERO Messenger asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.5 for ZERO Messenger against 4.5 for Radar. Both are backed by a comparable volume of ratings — 17 and 18 respectively. Written reviews are what separate them: 78% of ZERO Messenger's written reviews are positive against 83% of Radar's.

UpkeepUpdate frequency

ZERO Messenger ships an update weekly, Radar every 3 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

Scorecard4 real differences · 6 level
ZERO Messenger versus Radar: the parameters behind the verdict, then further details
ParameterZERO MessengerRadar
PriceFreeFree
Rating4.5 (17 ratings) — better4.5 (18 ratings)
Positive reviews77.8% of reviews83.3% of reviews — better
Number of ratings1718 — better
Update frequencyWeekly — betterEvery 3 weeks
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.5 — better26.0
Further details — not scored
Size248 MB89 MB
Age rating4+12+
DeveloperZero to Infinity, Inc.Paradox Technologies Inc.

Customer experience

ZERO Messenger

All ratings15 ratings
Positive93.3%
Neutral0.0%
Negative6.7%
Written reviews9 reviews
Positive77.8%
Neutral0.0%
Negative22.2%

Radar

All ratings17 ratings
Positive88.2%
Neutral0.0%
Negative11.8%
Written reviews6 reviews
Positive83.3%
Neutral0.0%
Negative16.7%

In-app purchases

None

ZERO Messenger

No in-app purchases

2 purchases

Radar

Subscriptions2
  • Monthly$0.991 Month
  • Yearly$9.991 Year

Questions

Is ZERO Messenger free?
ZERO Messenger is free to download, with no in-app purchases.
Is Radar free?
Radar is free to download, with in-app purchases available.
Which has better reviews, ZERO Messenger or Radar?
ZERO Messenger is rated higher. ZERO Messenger averages 4.5 out of 5 from 17 ratings, while Radar averages 4.5 from 18 ratings.
Do ZERO Messenger or Radar have ads?
Neither ZERO Messenger nor Radar shows ads.
Which is updated more often, ZERO Messenger or Radar?
ZERO Messenger ships an update weekly, and Radar every 3 weeks. Most recently, ZERO Messenger was updated on October 24, 2026 and Radar on October 25, 2026.

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