# PassChat vs ZERO Messenger

The clearest difference is update cadence: ZERO Messenger at weekly against PassChat's every 3 weeks. PassChat's advantage is iOS requirement (15.0 vs 18.5). On price, ads, in-app purchases and device support there is nothing between them.

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

PassChat ships an update every 3 weeks, ZERO Messenger weekly. The most recent releases landed on October 6, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | PassChat | ZERO Messenger |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (15 ratings)](https://appshunter.io/ios/app/zero-messenger/id6476882926/reviews)** |
| Number of ratings | — | **15** |
| Positive reviews | — | 77.8% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | — | Free |
| Size | 91 MB | 248 MB |
| Requires iOS | **15.0** | 18.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [JustPic LVR Private Limited](https://appshunter.io/developer/1591603193) | [Zero to Infinity, Inc.](https://appshunter.io/developer/1728066651) |

## What reviewers say

### PassChat

[App page](https://appshunter.io/ios/app/passchat/id1591603191)

**Features:** macOS Compatibility

**In-app purchases:** none


### ZERO Messenger

[App page](https://appshunter.io/ios/app/zero-messenger/id6476882926)

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:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PassChat free?

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

### Is ZERO Messenger free?

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

### Do PassChat or ZERO Messenger have ads?

Neither PassChat nor ZERO Messenger shows ads.

### Which is updated more often, PassChat or ZERO Messenger?

PassChat ships an update every 3 weeks, and ZERO Messenger weekly. Most recently, PassChat was updated on October 6, 2026 and ZERO Messenger on September 30, 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.*