# cloud 云号 vs Tiantong Modem

The clearest difference is update cadence: Tiantong Modem at fortnightly against cloud 云号's every 4 months. cloud 云号's advantage is iOS requirement (11.0 vs 13.1). On price, review sentiment, ads and in-app purchases there is nothing between them.

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

cloud 云号 ships an update every 4 months, Tiantong Modem fortnightly. The most recent releases landed on August 13, 2026 and August 15, 2026 respectively.

## The numbers

| Metric | cloud 云号 | Tiantong Modem |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Fortnightly** |
| Monetization | Free | Free |
| Size | 28 MB | 86 MB |
| Requires iOS | **11.0** | 13.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [China United Network Communications Corporation Limited](https://appshunter.io/developer/674392285) | [CHINA TELECOM Corporation Ltd.](https://appshunter.io/developer/513836032) |

## What reviewers say

### cloud 云号

[App page](https://appshunter.io/ios/app/cloud/id1645454676)

This app provides users with a virtual phone number service, allowing them to have multiple numbers linked to their primary SIM card. It helps protect personal privacy by filtering unwanted calls and messages, especially useful for online transactions, rentals, or dating.

**Highlights:** Virtual phone numbers, Privacy protection, Call and message filtering, Multiple numbers on one SIM, Real phone numbers, One-click on/off switch

**Features:** Vision Pro support

**In-app purchases:** none


### Tiantong Modem

[App page](https://appshunter.io/ios/app/tiantong-modem/id6578450401)

This satellite communication software allows you to stay connected via satellite links when cellular service is unavailable. It ensures safety and connectivity in remote areas without network infrastructure.

**Highlights:** Satellite communication, Offline connectivity, Remote area access, Safety features, Network independent

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

**In-app purchases:** none


## Frequently asked questions

### Is cloud 云号 free?

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

### Is Tiantong Modem free?

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

### Do cloud 云号 or Tiantong Modem have ads?

Neither cloud 云号 nor Tiantong Modem shows ads.

### Which is updated more often, cloud 云号 or Tiantong Modem?

cloud 云号 ships an update every 4 months, and Tiantong Modem fortnightly. Most recently, cloud 云号 was updated on August 13, 2026 and Tiantong Modem on August 15, 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.*