# Spam Call SMS Blocker vs 左管家服务端

The clearest difference is in-app purchases: 左管家服务端 at none against Spam Call SMS Blocker's 1. 左管家服务端 also leads on update cadence (monthly vs every 16 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Spam Call SMS Blocker sells 1 one-off in-app purchase. 左管家服务端 asks for nothing beyond the download.

Spam Call SMS Blocker ships an update every 16 months, 左管家服务端 monthly. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Spam Call SMS Blocker | 左管家服务端 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 16 months | **Monthly** |
| Size | 27 MB | 27 MB |
| Requires iOS | **14.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [盼军 崔](https://appshunter.io/developer/567286451) | [左管家(上海)智能科技有限公司](https://appshunter.io/developer/1551936626) |

## What reviewers say

### Spam Call SMS Blocker

[App page](https://appshunter.io/ios/app/spam-call-sms-blocker/id6443582719)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy me a coffee | $0.99 | one-time |


### 左管家服务端

[App page](https://appshunter.io/ios/app/id6450456539)

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

**In-app purchases:** none


## Frequently asked questions

### Is Spam Call SMS Blocker free?

Spam Call SMS Blocker is free to download, with in-app purchases available.

### Is 左管家服务端 free?

左管家服务端 is free to download, with no in-app purchases.

### Do Spam Call SMS Blocker or 左管家服务端 have ads?

Neither Spam Call SMS Blocker nor 左管家服务端 shows ads.

### Which is updated more often, Spam Call SMS Blocker or 左管家服务端?

Spam Call SMS Blocker ships an update every 16 months, and 左管家服务端 monthly. Most recently, Spam Call SMS Blocker was updated on October 27, 2026 and 左管家服务端 on October 30, 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.*