# Pool Math by TroubleFreePool vs PoolChem Tracker

The clearest difference is rating: PoolChem Tracker at 4.5 against Pool Math by TroubleFreePool's 3.7. PoolChem Tracker also leads on review sentiment (100% vs 63%) and update cadence (every 5 days vs fortnightly). Pool Math by TroubleFreePool's advantage is ratings volume (272 vs 6) and iOS requirement (15.0 vs 26.4). On price, ads, in-app purchases and monetization model 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 and PoolChem Tracker sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

PoolChem Tracker holds the better App Store score, 4.5 against 3.7. That said, the two scores are not equally well evidenced: Pool Math by TroubleFreePool has 272 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 63% of Pool Math by TroubleFreePool's written reviews are positive against 100% of PoolChem Tracker's.

Pool Math by TroubleFreePool ships an update fortnightly, PoolChem Tracker every 5 days. The most recent releases landed on September 22, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Pool Math by TroubleFreePool | PoolChem Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (272 ratings)](https://appshunter.io/ios/app/pool-math-by-troublefreepool/id1228819359/reviews) | **[4.5 (6 ratings)](https://appshunter.io/ios/app/poolchem-tracker/id6762652630/reviews)** |
| Number of ratings | **272** | 6 |
| Positive reviews | 63.4% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 5 days** |
| Monetization | Freemium | Freemium |
| Size | 314 MB | 12 MB |
| Requires iOS | **15.0** | 26.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [TroubleFreePool](https://appshunter.io/developer/1228819358) | [Jeffrey Thompson](https://appshunter.io/developer/1894944456) |

## 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


### PoolChem Tracker

[App page](https://appshunter.io/ios/app/poolchem-tracker/id6762652630)

This app provides precise pool chemical dosing recommendations based on your test results and pool size. It calculates a health score for your water and offers a prioritized action list to maintain balance. Works offline with no account required.

**Highlights:** Precise dosing recommendations, Pool Health Score (0-100), Prioritized action list, CYA-adjusted chlorine targets, LSI calculator, Chemical inventory tracking, Offline functionality

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PoolChem Pro | $4.99 | one-time |


## Frequently asked questions

### Is Pool Math by TroubleFreePool free?

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

### Is PoolChem Tracker free?

PoolChem Tracker is free to download, with in-app purchases available.

### Which has better reviews, Pool Math by TroubleFreePool or PoolChem Tracker?

PoolChem Tracker is rated higher. Pool Math by TroubleFreePool averages 3.7 out of 5 from 272 ratings, while PoolChem Tracker averages 4.5 from 6 ratings.

### Do Pool Math by TroubleFreePool or PoolChem Tracker have ads?

Neither Pool Math by TroubleFreePool nor PoolChem Tracker shows ads.

### Which is updated more often, Pool Math by TroubleFreePool or PoolChem Tracker?

Pool Math by TroubleFreePool ships an update fortnightly, and PoolChem Tracker every 5 days. Most recently, Pool Math by TroubleFreePool was updated on September 22, 2026 and PoolChem Tracker on September 15, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*