# Pulse X vs 大唐云信 IM

The clearest difference is in-app purchases: 大唐云信 IM at none against Pulse X's 3. 大唐云信 IM also leads on update cadence (daily vs every 4 days). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Pulse X sells 3 in-app purchases, starting at $2.99 per month. 大唐云信 IM asks for nothing beyond the download.

Pulse X ships an update every 4 days, 大唐云信 IM daily. The most recent releases landed on October 31, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Pulse X | 大唐云信 IM |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 days | **Daily** |
| Monetization | Free | — |
| Size | 172 MB | 89 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [帅南 王](https://appshunter.io/developer/1854783159) | [Wantong Cross-Border Supply Chain Limited](https://appshunter.io/developer/6805091233) |

## What reviewers say

### Pulse X

[App page](https://appshunter.io/ios/app/pulse-x/id6757705422)

This app provides secure and efficient instant messaging with features like one-on-one and group chats, voice and video calls, and robust notification and privacy controls. It prioritizes user privacy with clear policies and permission management.

**Highlights:** Instant messaging (one-on-one, group), Voice and video calls, Notification reminders, Privacy and security controls, File and image sharing, System permission management

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pulse X VIP 月卡 | $2.99 | per month |
| Pulse X VIP 会员 | $6.99 | per 3 months |
| Pulse X VIP 会员 | $24.99 | per year |


### 大唐云信 IM

[App page](https://appshunter.io/ios/app/im/id6805091231)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Pulse X free?

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

### Is 大唐云信 IM free?

大唐云信 IM is free to download, with no in-app purchases.

### Do Pulse X or 大唐云信 IM have ads?

Neither Pulse X nor 大唐云信 IM shows ads.

### Which is updated more often, Pulse X or 大唐云信 IM?

Pulse X ships an update every 4 days, and 大唐云信 IM daily. Most recently, Pulse X was updated on October 31, 2026 and 大唐云信 IM on November 2, 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.*