# cloud 云号 vs Must Ring

The clearest difference is in-app purchases: cloud 云号 at none against Must Ring's 1. cloud 云号 also leads on iOS requirement (11.0 vs 26.1). Must Ring's advantage is update cadence (fortnightly vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. Must Ring sells 1 one-off in-app purchase. cloud 云号 asks for nothing beyond the download.

cloud 云号 ships an update every 4 months, Must Ring fortnightly. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | cloud 云号 | Must Ring |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 28 MB | 12 MB |
| Requires iOS | **11.0** | 26.1 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [China United Network Communications Corporation Limited](https://appshunter.io/developer/674392285) | [大胜 纪](https://appshunter.io/developer/320513564) |

## 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


### Must Ring

[App page](https://appshunter.io/ios/app/must-ring/id6812251518)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Must Ring Unlock | $14.99 | one-time |


## Frequently asked questions

### Is cloud 云号 free?

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

### Is Must Ring free?

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

### Do cloud 云号 or Must Ring have ads?

Neither cloud 云号 nor Must Ring shows ads.

### Which is updated more often, cloud 云号 or Must Ring?

cloud 云号 ships an update every 4 months, and Must Ring fortnightly. Most recently, cloud 云号 was updated on November 3, 2026 and Must Ring on October 31, 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.*