# ひそひそ vs Relay Secure Messenger

The clearest difference is ads: Relay Secure Messenger at none against ひそひそ's shown. ひそひそ's advantage is iOS requirement (14.0 vs 26.0). On price, update cadence, 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.

ひそひそ ships an update fortnightly, Relay Secure Messenger every 3 weeks. The most recent releases landed on September 20, 2026 and September 5, 2026 respectively.

## The numbers

| Metric | ひそひそ | Relay Secure Messenger |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/relay-secure-messenger/id6753321063/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | — | Free |
| Size | 105 MB | 33 MB |
| Requires iOS | **14.0** | 26.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [AgoraCreation Inc.](https://appshunter.io/developer/1571895384) | [Antonio Lambert](https://appshunter.io/developer/1769139666) |

## What reviewers say

### ひそひそ

[App page](https://appshunter.io/ios/app/id6444305202)

**Features:** macOS Compatibility

**In-app purchases:** none


### Relay Secure Messenger

[App page](https://appshunter.io/ios/app/relay-secure-messenger/id6753321063)

This app offers a unique voice communication experience by transcribing speech on your device, encrypting it as text, and reconstructing it in your voice privately in real-time. It ensures conversations remain yours by never transmitting raw audio over the network.

**Highlights:** On-device speech transcription, End-to-end encrypted text transmission, Real-time voice reconstruction, No raw audio transmission, Private conversations, Ad-free experience

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ひそひそ free?

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

### Is Relay Secure Messenger free?

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

### Do ひそひそ or Relay Secure Messenger have ads?

ひそひそ shows ads; Relay Secure Messenger does not.

### Which is updated more often, ひそひそ or Relay Secure Messenger?

ひそひそ ships an update fortnightly, and Relay Secure Messenger every 3 weeks. Most recently, ひそひそ was updated on September 20, 2026 and Relay Secure Messenger on September 5, 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.*