# SprinkCalc - Fire Sprinkler — NFPA 13, FM Global ,EN 12845

> NFPA 13, FM Global ,EN 12845 (iPhone/iPad app by Ahmet Selvi.)

- Source: https://appshunter.io/ios/app/sprinkcalc-fire-sprinkler/id6757990855 (this page in markdown: same URL + `.md`)
- Developer: [Ahmet Selvi](https://appshunter.io/developer/1864624578)
- Category: Utilities, Business
- Price: $59.99 with in-app purchases
- Age rating: 4+
- Requires: iOS 17.6 · 49 MB
- Languages: English
- Released: 2026-01-29
- Data updated: 2026-08-01
- User reviews in markdown: https://appshunter.io/ios/app/sprinkcalc-fire-sprinkler/id6757990855/reviews.md

## What is SprinkCalc?

SprinkCalc — Professional Fire Sprinkler Calculation

The only app you need for fire sprinkler system design. Fast, reliable calculations compliant with international standards.

SUPPORTED STANDARDS
▸ NFPA 13-2025 — American sprinkler standard
▸ FM Global DS 8-9 — Insurance-approved storage design
▸ BS EN 12845 — European standard

KEY FEATURES
▸ ESFR alternative K-factor comparison
▸ NFPA 20 pump selection and pipe sizing
▸ Professional PDF report generation
▸ Metric (SI) and Imperial (US) unit support
▸ Full support in 14 languages

APPLICATIONS
▸ Ceiling sprinkler design (LH, OH1, OH2, EH1, EH2)
▸ Storage sprinkler design (Class I-IV, plastics, rubber)
▸ ESFR sprinkler selection (K-160 to K-360)
▸ FM Global in-rack sprinkler evaluation
▸ Water tank and pump capacity calculation

Built for fire protection engineers, mechanical (MEP) engineers and sprinkler designers.

Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula

## Pricing and in-app purchases

Base price: $59.99.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Pro Yıllık | $39.99 | per year |
| Pro Weekly | $9.99 | per 7 days |



## Version history (last 5 releases)

### 3.2 — 2026-07-06

This update improves calculation accuracy and reliability:

• Calculations refined to align with BS EN 12845 and NFPA 20 standards
• Localization and stability improvements across all languages

### 3.0 — 2026-04-10

Version 3.0 — Major Update

* NEW FEATURES
• 4-step smart wizard: Standard → Hazard Class → Dimensions → Results
• 3-standard comparison table: Compare NFPA 13, FM Global, and BS EN 12845 results side by side
• Independent hazard classification per standard 
• Redesigned stat cards: Pump flow (m³/h + GPM), K-factor, pressure, and sprinkler count at a glance



* CALCULATIONS
• Expanded BS EN 12845 Table 9 and Table 16 database
• Improved ESFR alternative K-factor system
• More accurate water tank capacity and pump characteristic calculations

### 2.1 — 2026-03-24

Minor bug fixes and performance improvements.

### 2.0 — 2026-03-11

SprinkCalc v2.0 — Major Update

• App is now a one-time purchase — no subscriptions, unlimited use
• App renamed to SprinkCalc
• Login screen removed — app opens directly to the calculator
• Storage Details page completely redesigned with premium dark UI
• Results page rebuilt with professional glassmorphism design
• ESFR alternative K-factor comparison table added
• PDF report streamlined — focused on NFPA 13-2025
• General performance and UI improvements

### 1.7 — 2026-02-25

ESFR Alternative K-Factors: All valid K-factor options (K-200, K-240, K-320, K-360) now shown with pressure, flow & total demand comparison
• Enhanced PDF Report: Sprinkler activation pressure and hose allowance now included
• Streamlined Report: PDF output focused on NFPA 13-2025 for a cleaner, professional layout
• Refreshed UI: Building info card with updated modern design
• Performance improvements and bug fixes

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## More apps by Ahmet Selvi

- [Şantiye Takip-Mekanik Tesisat](https://appshunter.io/ios/app/santiye-takip-mekanik-tesisat/id6757112307)
- [MEP Calc - HVAC / Fire Tools](https://appshunter.io/ios/app/mep-calc-hvac-fire-tools/id6759204237)

All apps by Ahmet Selvi: https://appshunter.io/developer/1864624578

## Related topics

[sprinkler fire](https://appshunter.io/ios/topics/sprinkler-fire)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-01.*