# Krinkle Fire Door vs RAEL

The clearest difference is update cadence: RAEL at every 6 weeks against Krinkle Fire Door's every 9 months. Krinkle Fire Door's advantage is iOS requirement (13.2 vs 15.0). 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.

Krinkle Fire Door ships an update every 9 months, RAEL every 6 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Krinkle Fire Door | RAEL |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.4 (7 ratings)](https://appshunter.io/ios/app/rael/id1523484274/reviews)** |
| Number of ratings | — | **7** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 6 weeks** |
| Monetization | — | Free |
| Size | 56 MB | 54 MB |
| Requires iOS | **13.2** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Krinkle, LLC](https://appshunter.io/developer/1188803452) | [RAEL-Redi](https://appshunter.io/developer/1523484396) |

## What reviewers say

### Krinkle Fire Door

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

**Features:** macOS Compatibility

**In-app purchases:** none


### RAEL

[App page](https://appshunter.io/ios/app/rael/id1523484274)

This platform streamlines fire protection services by offering cost control, risk mitigation, and improved reporting. It supports various inspection types and utilizes NFC technology for equipment tagging and service verification.

**Highlights:** Cost control and risk mitigation, Service tracking and verification, NFC equipment tagging (RAEL-REDi), Inspection history and reporting, Service request initiation, Payment and invoicing tools

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

**In-app purchases:** none


## Frequently asked questions

### Is Krinkle Fire Door free?

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

### Is RAEL free?

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

### Do Krinkle Fire Door or RAEL have ads?

Neither Krinkle Fire Door nor RAEL shows ads.

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

Krinkle Fire Door ships an update every 9 months, and RAEL every 6 weeks. Most recently, Krinkle Fire Door was updated on November 2, 2026 and RAEL on November 3, 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.*