# zunpulse security vs Sub

The clearest difference is update cadence: Sub at fortnightly against zunpulse security's every 2 months. zunpulse security's advantage is iOS requirement (11.0 vs 14.0). 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.

zunpulse security ships an update every 2 months, Sub fortnightly. The most recent releases landed on October 11, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | zunpulse security | Sub |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Size | 171 MB | 43 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ZunRoof Tech Private Limited](https://appshunter.io/developer/1394408234) | [PVR Controls](https://appshunter.io/developer/1637087825) |

## What reviewers say

### zunpulse security

[App page](https://appshunter.io/ios/app/zunpulse-security/id6448090697)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sub

[App page](https://appshunter.io/ios/app/sub-connect/id6741066535)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is zunpulse security free?

zunpulse security is free to download, with no in-app purchases.

### Is Sub free?

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

### Do zunpulse security or Sub have ads?

Neither zunpulse security nor Sub shows ads.

### Which is updated more often, zunpulse security or Sub?

zunpulse security ships an update every 2 months, and Sub fortnightly. Most recently, zunpulse security was updated on October 11, 2026 and Sub on October 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.*