# Krinkle Fire Door vs SparkyBot

The clearest difference is price: Krinkle Fire Door at Free against SparkyBot's $2.99. SparkyBot's advantage is update cadence (weekly vs every 9 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Krinkle Fire Door is free to download; SparkyBot costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Krinkle Fire Door ships an update every 9 months, SparkyBot weekly. The most recent releases landed on October 5, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Krinkle Fire Door | SparkyBot |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Weekly** |
| Monetization | — | Paid |
| Size | 56 MB | 38 MB |
| Requires iOS | 13.2 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Krinkle, LLC](https://appshunter.io/developer/1188803452) | [MICHAEL GERA- D, BRUCE SAUNDERS](https://appshunter.io/developer/1847014797) |

## What reviewers say

### Krinkle Fire Door

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

**Features:** macOS Compatibility

**In-app purchases:** none


### SparkyBot

[App page](https://appshunter.io/ios/app/sparkybot/id6754190924)

This professional tool assists electricians with essential calculations and compliance checks for electrical work in Australia and New Zealand. It offers voltage drop calculations, cable sizing estimates, and quick access to relevant standards. An AI assistant is available for technical queries.

**Highlights:** Voltage Drop Calculator, Cable Size Estimator, Australian Standards Quick Reference, AI Technical Assistant, Compliance Checks

**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 SparkyBot free?

SparkyBot costs $2.99, with no in-app purchases.

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

Neither Krinkle Fire Door nor SparkyBot shows ads.

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

Krinkle Fire Door ships an update every 9 months, and SparkyBot weekly. Most recently, Krinkle Fire Door was updated on October 5, 2026 and SparkyBot on October 20, 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.*