# Whisper MSG vs PSST Forum

The clearest difference is update cadence: Whisper MSG at every 9 days against PSST Forum's every 3 weeks. Whisper MSG also leads on iOS requirement (12.0 vs 15.1). 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.

Whisper MSG ships an update every 9 days, PSST Forum every 3 weeks. The most recent releases landed on October 6, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Whisper MSG | PSST Forum |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/whisper-msg/id1592954310/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 3 weeks |
| Monetization | Free | — |
| Size | 92 MB | 33 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 12+ |
| Developer | [EQBR NETWORKS PTE. LTD.](https://appshunter.io/developer/1540530227) | [Center for Artistic Activism, Inc.](https://appshunter.io/developer/6776811684) |

## What reviewers say

### Whisper MSG

[App page](https://appshunter.io/ios/app/whisper-msg/id1592954310)

A secure, blockchain-based encrypted messenger that prioritizes user privacy. It collects no personal identification and offers self-destructing messages upon receipt. Manage digital assets securely with a unique personal code.

**Highlights:** Blockchain-based security, End-to-end encryption, Self-destructing messages, No personal data collection, Unique address per user, Digital asset management

**In-app purchases:** none


### PSST Forum

[App page](https://appshunter.io/ios/app/psst-forum/id6776811682)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Whisper MSG free?

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

### Is PSST Forum free?

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

### Do Whisper MSG or PSST Forum have ads?

Neither Whisper MSG nor PSST Forum shows ads.

### Which is updated more often, Whisper MSG or PSST Forum?

Whisper MSG ships an update every 9 days, and PSST Forum every 3 weeks. Most recently, Whisper MSG was updated on October 6, 2026 and PSST Forum on September 19, 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.*