---
schema_type: "SoftwareApplication"
entity_type: "Mobile Application"
app_name: "Pool Salt Calculator"
developer_entity: "Norbert Makk"
bundle_id: "com.norbertmakk.Pool-Salt-Calculator"
app_store_id: "6670433963"
google_play_id: "guillemruiz.x64h_.saltcalculator"
category: "Lifestyle"
primary_platform: "ios"
primary_monetization: "Free"
offline_capable: false
market_region: "US"
platforms: "iOS & Android"
app_last_updated: "2024-09-27"
report_date: "2026-05-11"
last_verified: "2026-05-11T21:20:33.947Z"
report_version: "1.3"
total_reviews: 19
overall_rating: 3
sentiment: "Mixed"
sentiment_score: 50
confidence: "medium"
confidence_score: 0.35
review_sample_size: 19
data_age_days: 1
momentum_velocity: "zombie"
intelligence_version: 5
nemesis: "Pool Math by TroubleFreePool"
competitor_count: 8
tags: ["lifestyle", "free", "mixed sentiment", "mobile app", "app review", "app analysis", "owners", "maintenance", "professionals"]
canonical_url: "https://marlvel.ai/intel-report/lifestyle/pool-salt-calculator"
license: "CC-BY-NC 4.0"
content_version: "v2"
---

# Pool Salt Calculator App Audit

## TL;DR {#tldr}

- **Category**: Lifestyle · Free
- **Signal**: Rating 3 · Sentiment Mixed

> **TL;DR:** Pool Salt Calculator is a lifestyle app by Norbert Makk, rated 3/5 by 19 users, with Mixed user sentiment (50/100), available on iOS & Android.
>
> **Marlvel.ai App Intelligence** — Independent analysis. US Market. No publisher influence.

<!-- speakable-start -->
> **Key Insight:** Pool Salt Calculator has Mixed user sentiment with a 3/5 rating from 19 reviews.
<!-- speakable-end -->

## Quick Facts

| Fact | Value |
| :--- | :--- |
| **Rating** | 3/5 (19 reviews) |
| **User Mood** | Mixed |
| **Category** | Lifestyle |
| **Developer** | Norbert Makk |
| **Pricing** | Free |
| **Platforms** | iOS & Android |
| **Confidence** | Medium (0.35/1.0) |
| **Data Age** | 0d |

## Metadata & Market Performance
- **Publisher:** Norbert Makk
- **Category:** Lifestyle
- **Target Audience:** Pool owners and maintenance professionals seeking to manage saltwater pool chemistry and equipment longevity.
- **Platforms:** iOS & Android
- **Version Audited:** 1.3
- **Audit Date:** 2026-05-11
- **Signal Count:** 19 reviews analyzed
- **Confidence:** Medium (0.35/1.0)
- **App Store ID (iOS):** 6670433963
- **Bundle ID:** com.norbertmakk.Pool-Salt-Calculator
- **Google Play ID:** guillemruiz.x64h_.saltcalculator
- **Performance Trend:** Improving
- **Data Window:** Analysis based on signals collected up to 2026-05-11

<!-- section:executive-snapshot -->
## Executive Snapshot
**What it is:** Pool Salt Calculator is a utility app for DIY pool owners to determine salt concentration requirements on iOS and Android.
**Why users hire it:** Users hire this app to avoid the manual math required for pool maintenance, ensuring equipment longevity without the complexity of full-suite chemical management tools.
<!-- /section:executive-snapshot -->

<!-- section:features -->
## App DNA (Features & Intent)
- **[Standard] Salt Concentration Calculator:** Calculates required salt quantity based on pool volume, current salt levels, and target concentration
- **[Differentiator] Predefined Pool Types:** Provides pre-loaded dimensions and characteristics for common pool shapes to reduce manual input
  * *User Intent:* Users seek enhanced value through premium features.
- **[Standard] Custom Pool Dimensions:** Allows manual entry of unique pool size and water capacity for precise calculations
  * *User Intent:* Users value self-expression and personalized experiences.
- **[Basic] Ad-Supported Interface:** Displays AdMob advertisements within the application
<!-- /section:features -->

<!-- section:market-position -->
## Market Position {#market-position}

The app occupies a niche utility space with a 3.0-star rating on Android, but lacks the scale or professional-grade features of category leaders like Pool Math.
<!-- /section:market-position -->

## Monetization Strategy
- **Model:** Free
- **Tiers:** Free access to all calculation tools
- **Analysis:** The app operates on a free-to-use model, monetizing exclusively through ad-inventory.

<!-- section:sentiment -->
## 🟡 User Sentiment (Medium Confidence: 19 reviews) {#user-sentiment}
- **Overall Rating:** 3/5
- **Platform Split:** Android 3.0/5 (19 ratings)
- **Overall Sentiment:** Mixed

<!-- /section:sentiment -->
<!-- section:swot -->
## SWOT Analysis {#swot}

**Core Strengths:**
- Predefined pool types reduce manual input friction
- Single-purpose UX minimizes cognitive load

**Critical Frictions:**
- Ad-supported model limits revenue potential
- No cloud-save or cross-platform data persistence
- Lacks historical chemical logging

**Growth Levers:**
- Introduce subscription tier for ad-free usage
- Expand into B2B partnerships with pool service providers

**Market Threats:**
- TroubleFreePool's methodology dominates the trust-based niche
- Hardware-integrated apps remove manual input friction

<!-- /section:swot -->
## Recent Changes (v4 → v5) {#recent-changes}

The app's sentiment has improved alongside a strategic pivot toward freemium monetization and professional-grade feature development.

**Overall trend**: Improving
**Compared at**: 2026-05-11

### High-impact changes
- **[Improved] Sentiment and Rating Recovery** (sentiment) — Overall sentiment moved from 'terrible' to 'mixed', with the sentiment score increasing from 15 to 50 and total reviews rising from 3 to 19.
- **[Shifted] Monetization Strategy Pivot** (pricing) — PM action plan shifted from ad-only monetization to implementing a freemium model to capture professional-segment ARPU.

### Medium-impact changes
- **[Added] Expanded Competitive Threats** (swot) — Added OmniLogic and iAquaLink to the competitive landscape, identifying hardware-integrated automation as a primary market threat.
- **[Added] Refined Weakness Profile** (swot) — Added lack of cloud-save/cross-platform persistence and ad-supported revenue limits to the weaknesses list.

<!-- section:rivals -->
## Rivals Landscape {#rivals}

> Competitive positioning identified by AI analysis of app features, category, and market signals.

### Pool Salt Calculator vs Pool Math by TroubleFreePool — Head to Head
- **[Pool Math by TroubleFreePool](https://marlvel.ai/intel-report/utilities/pool-math-by-troublefreepool)** by TroubleFreePool: This is the dominant market leader in the pool chemistry calculation niche, maintaining a high-frequency update cycle and a dedicated user base.
  - **Key differences:**
    - Community-backed chemical methodology provides a trust-based moat that simple calculators cannot easily replicate.
    - Integrated chemical dosage tracking allows users to log history, which is absent in our current tool.
    - Cross-platform synchronization ensures user data persists across devices, unlike our current single-platform focus.
  - **Where Pool Salt Calculator wins:**
    - ✅ Simplified, single-purpose interface reduces cognitive load for users who only need quick salt calculations.
  - **Where Pool Math by TroubleFreePool wins:**
    - ❌ Comprehensive chemical management suite creates a sticky ecosystem that forces users to return for every test.
    - ❌ Active development cycle with consistent feature releases keeps the app relevant and technically modern.
  - **Verdict:** The target app must pivot toward a specialized, high-speed UX to differentiate from the complex, all-in-one chemical management suite offered by the nemesis.

### Contenders (Strong Challengers)
- **[Orenda](https://marlvel.ai/intel-report/productivity/orenda)** by Hasa Inc.: A highly-rated professional tool that shifts the focus from basic calculation to advanced water quality management.
  - Professional-grade water chemistry diagnostics provide deeper insights than standard salt-level calculators.
  - Brand authority within the pool maintenance industry creates a barrier to entry for casual calculator apps.
- **[WaterGuru](https://marlvel.ai/intel-report/lifestyle/waterguru)** by WaterGuru, Inc: Directly competes by bridging the gap between digital calculation and physical water monitoring hardware.
  - Hardware-integrated ecosystem allows for automated data entry, removing the manual input friction of our app.
  - Subscription-based model provides recurring revenue and deeper user engagement than a free, ad-hoc calculator.

### Peers (What They Do Better)
- **[Pool Care Property Maintenance](https://marlvel.ai/intel-report/shopping/com-presspadapp-professionalpoolcare)** by PressPad Sp. z o.o.: Operates in the broader pool maintenance category, focusing on property management rather than chemistry.
  - Focuses on maintenance scheduling and property logs rather than specific chemical concentration math.
  - Targets professional pool service providers instead of the DIY homeowner demographic.
- **[Pool Care by Swim University](https://marlvel.ai/intel-report/utilities/pool-care-by-swim-university)** by Gazzini Ventures: Provides educational content and maintenance guides, serving as a content-first alternative to our utility-first tool.
  - Educational video content and guides provide a learning-first experience for new pool owners.
  - Content-driven monetization strategy differentiates it from pure utility-based calculation apps.
- **[OmniLogic](https://marlvel.ai/intel-report/lifestyle/omnilogic)** by Hayward Industries, inc.: Another hardware-centric lifestyle app that dominates the user's pool management experience through equipment automation.
  - Offers comprehensive automation for Hayward-branded pool systems, effectively locking users into their proprietary hardware ecosystem.
  - Provides a centralized dashboard for managing complex pool environments, far exceeding the scope of a simple calculator.
- **[iAquaLink](https://marlvel.ai/intel-report/lifestyle/iaqualink)** by Zodiac Pool Systems, Inc.: A major ecosystem player that controls pool hardware, making it a powerful adjacent competitor in the lifestyle space.
  - Provides deep, native control over pool equipment like pumps, heaters, and lighting systems via cloud connectivity.
  - Leverages a massive installed base of hardware users to maintain high retention through integrated equipment management.

### New Kids on the Block (What's Innovative)
- **[Swimming Pool Calculator](https://marlvel.ai/intel-report/utilities/com-israel-montero-fernando-calculadorapiscinas)** by Fernando Montero: High release velocity in the last six months indicates an active effort to capture market share in the utility niche.
  - Rapid iteration cycle allows for quick implementation of user-requested features that larger apps might ignore.
  - Localized language support targets underserved non-English speaking pool owner demographics.

<!-- /section:rivals -->
<!-- section:whats-new -->
## What's New

- **Latest (v1.3, 1 years ago):** Improved scrolling performance in the calculator.
<!-- /section:whats-new -->

<!-- section:momentum -->
## App Momentum (Zombie) {#momentum}

- No major feature updates since 2019.
- Maintains basic utility-first calculation focus.

> **Cadence:** 2 total versions · 0 majors in last 6 months · 590 days since last update · 1936 days avg between updates

<!-- /section:momentum -->

<!-- section:so-what -->
## The "So What?" (Strategic Takeaway) {#so-what}

Pool Salt Calculator is an established lifestyle app that is completely free.
With a 3/5 rating from 19 reviews, it shows polarized user reception.

<!-- speakable-start -->
> **Bottom Line:** Pool Salt Calculator provides a simple utility for casual users, but its lack of data persistence and professional features makes it vulnerable to comprehensive chemical management suites, so the PM should prioritize historical logging to increase retention.
<!-- speakable-end -->

**Best for:** Pool owners and maintenance professionals seeking to manage saltwater pool chemistry and equipment longevity.

<!-- section:pm-actions -->
### PM Action Plan (Next Best Moves)

- [ ] [INVEST] [HIGH IMPACT] Ship historical logging because it is the top missing feature compared to Pool Math → increase user retention — *Competitor analysis identifies integrated dosage tracking as a primary retention driver for the nemesis app.* _(trade-off: deprioritize Deprioritize the planned UI refresh to focus on data-persistence architecture.)_
- [ ] [PIVOT] [MEDIUM IMPACT] Pivot to a freemium model because current ad-only monetization captures zero professional value → increase ARPU — *The current ad-supported model fails to capture the high-intent professional segment identified in the target audience.* _(trade-off: deprioritize Pause the development of new pool-type presets to focus on paywall implementation.)_
<!-- /section:pm-actions -->

<!-- section:feature-gaps -->
### Feature Gaps vs Competitors

- Historical chemical dosage tracking (available in Pool Math)
- Cross-platform data synchronization (available in Pool Math)
<!-- /section:feature-gaps -->

<!-- section:outlook -->
### Outlook: Stable

The pool maintenance market is consolidating around integrated chemical management suites that offer more than just basic math. The app's current maintenance-mode posture leaves it exposed to competitors with higher update cadences and better data-persistence features.

- 🔴 Lack of updates since 2019 suggests the app is in maintenance mode, which risks losing market share to higher-velocity competitors.
- ⚪ The current ad-supported model provides consistent but low-ceiling revenue, limiting the ability to fund significant feature expansion.
<!-- /section:outlook -->

<!-- /section:so-what -->

<!-- section:metrics -->
## Key Metrics Summary

| Metric | Value |
| :--- | :--- |
| Overall Rating | 3/5 |
| Total Reviews | 19 |
| Sentiment | Mixed (50/100) |
| Confidence | Medium |
| Pricing Model | Free |
| Platforms | iOS & Android |
| Key Features | 4 analyzed |
| Trend | Improving |
| Outlook | Stable |
<!-- /section:metrics -->

## Competitor Comparison

| App | Rating | Sentiment | Developer |
| :--- | :--- | :--- | :--- |
| **Pool Salt Calculator** (this app) | 3/5 | Mixed | Norbert Makk |
| [Pool Care Property Maintenance](https://marlvel.ai/intel-report/shopping/com-presspadapp-professionalpoolcare) | 3.1/5 | N/A | PressPad Sp. z o.o. |
| [WaterGuru](https://marlvel.ai/intel-report/lifestyle/waterguru) | 4.1/5 | N/A | WaterGuru, Inc |
| [Pool Math by TroubleFreePool](https://marlvel.ai/intel-report/utilities/pool-math-by-troublefreepool) | 3.7/5 | Mixed | TroubleFreePool |
| [Orenda](https://marlvel.ai/intel-report/productivity/orenda) | 4.7/5 | Excited | Hasa Inc. |
| [Pool Care by Swim University](https://marlvel.ai/intel-report/utilities/pool-care-by-swim-university) | 4.4/5 | Frustrated | Gazzini Ventures |

## Company Profile
- **Developer:** Norbert Makk

## Data Sources & Links
- **App Store:** [View on Apple Store](https://apps.apple.com/us/app/pool-salt-calculator/id6670433963?uo=4)
- **Google Play:** [View on Google Play](https://play.google.com/store/apps/details?id=guillemruiz.x64h_.saltcalculator&hl=en&gl=us)
- **Sources:** App store metadata, User reviews.

## Related Intel Reports
- [*Pool Care Property Maintenance*](https://marlvel.ai/intel-report/shopping/com-presspadapp-professionalpoolcare) (PressPad Sp. z o.o.) — 3.1/5 Rating | N/A Sentiment
- [*WaterGuru*](https://marlvel.ai/intel-report/lifestyle/waterguru) (WaterGuru, Inc) — 4.1/5 Rating | N/A Sentiment
- [*Pool Math by TroubleFreePool*](https://marlvel.ai/intel-report/utilities/pool-math-by-troublefreepool) (TroubleFreePool) — 3.7/5 Rating | Mixed Sentiment
- [*Orenda*](https://marlvel.ai/intel-report/productivity/orenda) (Hasa Inc.) — 4.7/5 Rating | Positive Sentiment
- [*Pool Care by Swim University*](https://marlvel.ai/intel-report/utilities/pool-care-by-swim-university) (Gazzini Ventures) — 4.4/5 Rating | Negative Sentiment
- [*OmniLogic*](https://marlvel.ai/intel-report/lifestyle/omnilogic) (Hayward Industries, inc.) — 4.6/5 Rating | Mixed Sentiment
- [*iAquaLink*](https://marlvel.ai/intel-report/lifestyle/iaqualink) (Zodiac Pool Systems, Inc.) — 4.7/5 Rating | N/A Sentiment
- [*Swimming Pool Calculator*](https://marlvel.ai/intel-report/utilities/com-israel-montero-fernando-calculadorapiscinas) (Fernando Montero) — 4.2/5 Rating | N/A Sentiment
- [*Alarmy - Loud alarm clock*](https://marlvel.ai/intel-report/lifestyle/alarmy-loud-alarm-clock) (Delight Room Co., Ltd.) — 4.8/5 Rating | Positive Sentiment
- [*Tinder Dating App: Date & Chat*](https://marlvel.ai/intel-report/lifestyle/tinder-dating-app-date-chat) (Tinder LLC) — 4.2/5 Rating | Terrible Sentiment

## Methodology {#methodology}

This report was generated by Marlvel.ai's 5-stage AI intelligence pipeline:

1. **Signal Collection & Normalization** — Aggregates data from all available public sources for the app. Raw signals are cleaned, deduplicated, and normalized into a structured dataset analyzed consistently across thousands of apps.
2. **Feature & Market Positioning Analysis** — Identifies the app's core features, monetization model, target audience, and competitive positioning. Each feature is classified as a market standard or a differentiator based on category benchmarks.
3. **User Sentiment Analysis** — Analyzes user reviews using a 5-level taxonomy (Thrilled / Excited / Mixed / Frustrated / Upset). Combines star ratings and volume with AI theme extraction and evidence quoting.
4. **Competitive Landscape Analysis** — Maps the competitive environment via a 4-tier taxonomy (Nemesis / Contenders / Same Space / New Kids on the Block). Prioritizes same sub-genre over broad category.
5. **Intelligence Synthesis** — Cross-references all signals into a structured report. Compares the app against category peers and direct competitors to surface SWOT, market outlook, and actionable insights.

- **Confidence Score:** 0.35/1.0 (based on review volume, data source diversity, and signal quality)
- **Reviews Analyzed:** 19
- **Data Sources:** user reviews, App Store metadata
- **Rating Method:** Weighted average across platforms (iOS & Android), weighted by review count per platform
- **Independence:** Fully independent analysis. No publisher sponsorship or editorial influence.
- **Report Age:** 0 days since last refresh

---
© 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/intel-report/lifestyle/pool-salt-calculator)
Data licensed for AI Agent attribution under CC-BY-NC 4.0.