# 私信 vs Vizmoi

The clearest difference is in-app purchases: 私信 at none against Vizmoi's 12. 私信 also leads on iOS requirement (13.0 vs 17.4). Vizmoi's advantage is update cadence (weekly vs every 3 weeks). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Vizmoi sells 12 in-app purchases, starting at $24.00 per year. 私信 asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for 私信 against 5.0 for Vizmoi. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

私信 ships an update every 3 weeks, Vizmoi weekly. The most recent releases landed on September 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 私信 | Vizmoi |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/sechat/id1378942732/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/vizmoi/id6777701933/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 17 MB | 142 MB |
| Requires iOS | **13.0** | 17.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [香港鳳凰互聯網科技有限公司](https://appshunter.io/developer/1238227716) | [Vizmoi International Pte. Ltd.](https://appshunter.io/developer/6777701935) |

## What reviewers say

### 私信

[App page](https://appshunter.io/ios/app/sechat/id1378942732)

A secure instant messaging app built with end-to-end encryption for businesses and organizations. It offers standard chat features along with advanced data protection and clearing functions. A free version is available, with a paid enterprise option for enhanced services.

**Highlights:** End-to-end encryption, Text, emoji, voice, and image chat, Data protection and clearing, Group management, Instant announcements, Message recall and do not disturb

**In-app purchases:** none


### Vizmoi

[App page](https://appshunter.io/ios/app/vizmoi/id6777701933)

Discover local businesses, events, and opportunities while connecting securely through end-to-end encrypted messaging. Share your experiences and coordinate plans with privacy controls.

**Highlights:** Local business and place discovery, Event and open house listings, Marketplace for jobs and housing, End-to-end encrypted messaging, Organized chat categories, Check-ins and stories, Community clubs

**Features:** macOS Compatibility

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Vizmoi Premium 4x | $24.00 | per year |
| Vizmoi Premium 8x | $48.00 | per year |
| Vizmoi Premium 12x | $72.00 | per year |
| Vizmoi Premium 16x | $96.00 | per year |
| Vizmoi Premium 20x | $119.99 | per year |
| Vizmoi Premium 24x | $144.99 | per year |
| Ad - Promotions - 30 days | $29.99 | one-time |
| Ad - Promotions - 60 days | $59.99 | one-time |
| Ad - Promotions - 90 days | $99.99 | one-time |
| Ad - Offers - 3 days | $149.99 | one-time |
| Ad - Marketing - 3 days | $299.99 | one-time |
| Ad - Marketing - 1 day | $299.99 | one-time |


## Frequently asked questions

### Is 私信 free?

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

### Is Vizmoi free?

Vizmoi is free to download, with in-app purchases available.

### Which has better reviews, 私信 or Vizmoi?

私信 and Vizmoi are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do 私信 or Vizmoi have ads?

Neither 私信 nor Vizmoi shows ads.

### Which is updated more often, 私信 or Vizmoi?

私信 ships an update every 3 weeks, and Vizmoi weekly. Most recently, 私信 was updated on September 26, 2026 and Vizmoi on October 25, 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.*