# S2 Threat Level Escalator vs 浙江CA互认

The clearest difference is update cadence: 浙江CA互认 at every 7 months against S2 Threat Level Escalator's every 72 months. 浙江CA互认 also leads on iOS requirement (9.2 vs 15). On price, ads, in-app purchases and device support there is nothing between them.

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

S2 Threat Level Escalator ships an update every 72 months, 浙江CA互认 every 7 months. The most recent releases landed on June 1, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | S2 Threat Level Escalator | 浙江CA互认 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (5 ratings)](https://appshunter.io/ios/app/s2-threat-level-escalator/id678415306/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 72 months | **Every 7 months** |
| Monetization | Free | — |
| Size | 15 MB | 97 MB |
| Requires iOS | 15 | **9.2** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Carrier Fire & Security Americas Corporation](https://appshunter.io/developer/451636050) | [Zhejiang public resources trading center](https://appshunter.io/developer/1583677802) |

## What reviewers say

### S2 Threat Level Escalator

[App page](https://appshunter.io/ios/app/s2-threat-level-escalator/id678415306)

This application enables authorized personnel to update a facility's security status in response to threats. It integrates with specific security systems to initiate actions like lockdowns and communicate with command centers.

**Highlights:** Change facility security status, Respond to recognized threats, Initiate lockdown procedures, Communicate with command center, Integrates with S2 NetBox series

**In-app purchases:** none


### 浙江CA互认

[App page](https://appshunter.io/ios/app/ca/id1583677800)

**In-app purchases:** none


## Frequently asked questions

### Is S2 Threat Level Escalator free?

S2 Threat Level Escalator is free to download, with no in-app purchases.

### Is 浙江CA互认 free?

浙江CA互认 is free to download, with no in-app purchases.

### Do S2 Threat Level Escalator or 浙江CA互认 have ads?

Neither S2 Threat Level Escalator nor 浙江CA互认 shows ads.

### Which is updated more often, S2 Threat Level Escalator or 浙江CA互认?

S2 Threat Level Escalator ships an update every 72 months, and 浙江CA互认 every 7 months. Most recently, S2 Threat Level Escalator was updated on June 1, 2026 and 浙江CA互认 on September 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*