# PKI Maintenance vs Security Assistant by T

The clearest difference is update cadence: PKI Maintenance at every 3 days against Security Assistant by T's fortnightly. PKI Maintenance also leads on iOS requirement (13.0 vs 15.6). 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.

PKI Maintenance ships an update every 3 days, Security Assistant by T fortnightly. The most recent releases landed on October 7, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | PKI Maintenance | Security Assistant by T |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Fortnightly |
| Size | 44 MB | 37 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [QBICS](https://appshunter.io/developer/1756944557) | [DETECT TECHNOLOGIES PRIVATE LIMITED](https://appshunter.io/developer/1661293709) |

## What reviewers say

### PKI Maintenance

[App page](https://appshunter.io/ios/app/pki-maintenance/id6535690706)

**Features:** macOS Compatibility

**In-app purchases:** none


### Security Assistant by T

[App page](https://appshunter.io/ios/app/security-assistant-by-t-pulse/id6739494743)

**In-app purchases:** none


## Frequently asked questions

### Is PKI Maintenance free?

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

### Is Security Assistant by T free?

Security Assistant by T is free to download, with no in-app purchases.

### Do PKI Maintenance or Security Assistant by T have ads?

Neither PKI Maintenance nor Security Assistant by T shows ads.

### Which is updated more often, PKI Maintenance or Security Assistant by T?

PKI Maintenance ships an update every 3 days, and Security Assistant by T fortnightly. Most recently, PKI Maintenance was updated on October 7, 2026 and Security Assistant by T on October 12, 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.*