| Core Identity |
| Developer | PoolShark H2O | Hasa Inc. | TroubleFreePool | Gazzini Ventures | Gazzini Ventures |
| Category | Utilities | Productivity | Utilities | Utilities | Utilities |
| Platform | iOS, Android | iOS, Android | iOS, Android | iOS, Android | iOS |
| Store Metrics |
| Rating | 4.8 / 5 | 4.7 / 5 | 3.7 / 5 | 4.4 / 5 | 4.4 / 5 |
| Ratings Count | 240 | 450 | 272 | 51 | 133 |
| Price | Free | Free | Free | Free | $19.99 |
| Release Date | Jul 14, 2019 | Dec 9, 2016 | Jun 16, 2017 | May 30, 2024 | Jun 22, 2010 |
| Last Updated | Feb 9, 2021 | Apr 14, 2026 | May 3, 2026 | Apr 20, 2026 | Apr 24, 2023 |
| Sentiment & Reviews |
| Sentiment | mixed | positive | mixed | negative | positive |
| Score | 55/100 | 75/100 | 50/100 | 35/100 | 80/100 |
| Praises | - Chemical calculation tools simplify complex pool maintenance tasks for commercial operators
| - Scientific LSI calculation tool provides accurate water balance guidance for pool owners
| | - Clear treatment plans and chemical balancing advice provide actionable guidance for new pool owners
| - Precision of chemical dosing engine
|
| Complaints | - Frequent application crashes during data entry disrupt professional workflow requirements
| - Lack of persistent data storage forces users to re-enter pool volume and settings
| | - Critical application hang during the initial tutorial prevents new users from accessing core features
- Aggressive paywall implementation prevents any meaningful exploration of features without an active subscription
| - Lack of cloud synchronization
|
| Requests | - Automated push notifications for new reports would improve community pool management
| - Cloud-based profile storage to save pool volume and historical chemical test data
| - | - Support for multiple pool profiles to manage different water bodies within a single account
| - |
| Strategic Intel |
| Strengths | - Tamper-proof electronic logs satisfy health department compliance requirements for commercial operators.
- Automated chemical dosage calculations provide direct operational cost savings for facility managers.
| - LSI calculator utility builds brand authority for Hasa chemical sales
- Academy integration creates a B2B training pipeline for professionals
| - Calculation engine accuracy provides a technical barrier against camera-based test strip apps.
| - Brand authority of Swim University drives trust
- Step-by-step logic reduces beginner cognitive load
| - Specialized chemical calculation engine provides high-precision dosing
- Multi-unit conversion supports diverse international test kit standards
|
| Weaknesses | - Frequent application crashes during data entry disrupt professional workflows.
- Persistent account authentication failures prevent access to core service features.
| - No cloud-based data persistence forces manual re-entry of pool settings
- Calculator interface lacks precision for mobile users
| - Subscription gating of cloud sync on a $7.99/year model drives negative sentiment among power users.
| - Critical tutorial crash on launch
- Aggressive paywall blocks feature evaluation
- 0.7★ Android-iOS rating gap
| - Upfront cost of $19.99 exceeds the category median
- Lack of cloud synchronization limits multi-device utility
|
| Pricing | subscription | free | subscription | subscription | paid |
| Momentum | Zombie | Maintenance | Active | Maintenance | Zombie |
| Update Cadence | 2 versions, 1 majors/6mo, ~1660d avg | 2 versions, ~33d avg | 2 versions, 2 majors/6mo, ~4d avg | 2 versions, 2 majors/6mo, ~3d avg | 1 versions, 1 majors/6mo |
