# LSI SP vs Krinkle Fire Door

The clearest difference is update cadence: LSI SP at every 6 weeks against Krinkle Fire Door's every 9 months. LSI SP also leads on iOS requirement (11.0 vs 13.2). 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.

LSI SP ships an update every 6 weeks, Krinkle Fire Door every 9 months. The most recent releases landed on June 6, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | LSI SP | Krinkle Fire Door |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 9 months |
| Monetization | Free | — |
| Size | 78 MB | 56 MB |
| Requires iOS | **11.0** | 13.2 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Inspection Service Technology Inc](https://appshunter.io/developer/1073926431) | [Krinkle, LLC](https://appshunter.io/developer/1188803452) |

## What reviewers say

### LSI SP

[App page](https://appshunter.io/ios/app/lsi-sp/id1073926432)

This app streamlines life safety equipment and system inspections for facilities. It offers detailed inspection processes and industry-leading reports, simplifying compliance management and promoting fire safety. The tool functions both online and offline, syncing data when a connection is available.

**Highlights:** Streamlined inspections, Industry-leading reports, Compliance management, Offline and online functionality, Data syncing, Reports aggregation and analysis

**Features:** macOS Compatibility

**In-app purchases:** none


### Krinkle Fire Door

[App page](https://appshunter.io/ios/app/krinkle-fire-door/id1233343544)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is LSI SP free?

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

### Is Krinkle Fire Door free?

Krinkle Fire Door is free to download, with no in-app purchases.

### Do LSI SP or Krinkle Fire Door have ads?

Neither LSI SP nor Krinkle Fire Door shows ads.

### Which is updated more often, LSI SP or Krinkle Fire Door?

LSI SP ships an update every 6 weeks, and Krinkle Fire Door every 9 months. Most recently, LSI SP was updated on June 6, 2026 and Krinkle Fire Door on September 17, 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.*