# Pool Math by TroubleFreePool vs Poolsure Mobile

The clearest difference is in-app purchases: Poolsure Mobile at none against Pool Math by TroubleFreePool's 1. Poolsure Mobile also leads on rating (4.0 vs 3.7) and update cadence (weekly vs fortnightly). Pool Math by TroubleFreePool's advantage is ratings volume (272 vs 4). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Pool Math by TroubleFreePool sells 1 in-app purchase, starting at $7.99 per year. Poolsure Mobile asks for nothing beyond the download.

Poolsure Mobile holds the better App Store score, 4.0 against 3.7. That said, the two scores are not equally well evidenced: Pool Math by TroubleFreePool has 272 ratings behind it against 4, so its average is the more settled of the two.

Pool Math by TroubleFreePool ships an update fortnightly, Poolsure Mobile weekly. Both last shipped on October 16, 2026.

## The numbers

| Metric | Pool Math by TroubleFreePool | Poolsure Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (272 ratings)](https://appshunter.io/ios/app/pool-math-by-troublefreepool/id1228819359/reviews) | **[4.0 (4 ratings)](https://appshunter.io/ios/app/poolsure-mobile/id1545322311/reviews)** |
| Number of ratings | **272** | 4 |
| Positive reviews | 63.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | Freemium | **Free** |
| Size | 314 MB | 166 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TroubleFreePool](https://appshunter.io/developer/1228819358) | [Poolsure, a division of Aquasol Controllers, Inc.](https://appshunter.io/developer/1545322313) |

## What reviewers say

### Pool Math by TroubleFreePool

[App page](https://appshunter.io/ios/app/pool-math-by-troublefreepool/id1228819359)

Easily manage your swimming pool's water chemistry by tracking key levels like chlorine and pH. This app calculates the precise amounts of chemicals needed to maintain clear, algae-free water, offering a cost-effective alternative to pool store advice.

**Highlights:** Chemical level calculators (pH, Chlorine, Alkalinity, etc.), Track pool maintenance tasks, Log chemical additions, Weather condition tracking, Chemical addition effect calculations, Bleach price comparison, Data backup and export

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pool Math Premium Subscription | $7.99 | per year |

**What reviewers like**

- 💎 Excellent for maintaining a clean, balanced pool
- 🔍 Comprehensive tracking of test results and chemical additions
- 🧠 Helpful recommendations for chemical adjustments
- ⚙️ Useful features like SLAM mode and timeline
- 🤖 Automatic weather data logging

**What reviewers complain about**

- 🐛 Issues with data syncing and backup
- 🤔 Unintuitive interface and navigation
- 💰 Subscription model and lack of one-time purchase
- 🚫 Limited support for non-chlorine sanitizers and spa-specific options
- 🔄 Bugs with chemical addition logging and target value retention

**Reported bugs**

- Subscription issues and inability to restore purchases
- App crashes and freezes on certain actions
- Incorrect chemical recommendations and calculations
- Disappearing historical data after updates

**Requested features**

- Custom target ranges and alerts
- Ability to log non-standard chemical additions
- Export options for data analysis
- Apple Watch integration
- Improved user guidance and on-boarding


### Poolsure Mobile

[App page](https://appshunter.io/ios/app/poolsure-mobile/id1545322311)

This app helps pool owners track chemical levels and receive automated calculations for saturation index and chemical recommendations. It simplifies pool maintenance by eliminating manual calculations and providing vital pool information.

**Highlights:** Daily pool log entries, Automated saturation index calculation, Chemical dosage recommendations, View tank levels and chemical readings, Sync with Spin Touch, View active alerts

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Pool Math by TroubleFreePool free?

Pool Math by TroubleFreePool is free to download, with in-app purchases available.

### Is Poolsure Mobile free?

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

### Which has better reviews, Pool Math by TroubleFreePool or Poolsure Mobile?

Poolsure Mobile is rated higher. Pool Math by TroubleFreePool averages 3.7 out of 5 from 272 ratings, while Poolsure Mobile averages 4.0 from 4 ratings.

### Do Pool Math by TroubleFreePool or Poolsure Mobile have ads?

Neither Pool Math by TroubleFreePool nor Poolsure Mobile shows ads.

### Which is updated more often, Pool Math by TroubleFreePool or Poolsure Mobile?

Pool Math by TroubleFreePool ships an update fortnightly, and Poolsure Mobile weekly. Most recently, Pool Math by TroubleFreePool was updated on October 16, 2026 and Poolsure Mobile on October 16, 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.*