# Pool Math by TroubleFreePool vs Pool Notes

The clearest difference is rating: Pool Notes at 5.0 against Pool Math by TroubleFreePool's 3.6. Pool Notes also leads on review sentiment (100% vs 63%) and in-app purchases (none vs 1). Pool Math by TroubleFreePool's advantage is ratings volume (287 vs 1) and device support (3 vs 1). On price, update cadence, ads 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. Pool Notes asks for nothing beyond the download.

Pool Notes holds the better App Store score, 5.0 against 3.6. That said, the two scores are not equally well evidenced: Pool Math by TroubleFreePool has 287 ratings behind it against 1, 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 Pool Notes's.

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Pool Math by TroubleFreePool | Pool Notes |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.6 (287 ratings)](https://appshunter.io/ios/app/pool-math-by-troublefreepool/id1228819359/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pool-notes-pool-care/id6788173453/reviews)** |
| Number of ratings | **287** | 1 |
| Positive reviews | 63.3% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | Fortnightly |
| Monetization | Freemium | **Free** |
| Size | 314 MB | 37 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [TroubleFreePool](https://appshunter.io/developer/1228819358) | [JONATHON TIMOTHY MORTON](https://appshunter.io/developer/6783081553) |

## 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


### Pool Notes

[App page](https://appshunter.io/ios/app/pool-notes-pool-care/id6788173453)

This app simplifies pool maintenance by converting water test readings into precise chemical dosage instructions. It automatically adjusts targets based on stabilizer levels and offers guided algae treatment. All data is stored locally on your device for privacy.

**Highlights:** Precise chemical dosage instructions, Automatic chlorine target adjustment, Trend tracking over time, Test reminders, Guided algae treatment, Local data storage

**Features:** macOS Compatibility, 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 Pool Notes free?

Pool Notes is free to download, with no in-app purchases.

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

Pool Notes is rated higher. Pool Math by TroubleFreePool averages 3.6 out of 5 from 287 ratings, while Pool Notes averages 5.0 from 1 ratings.

### Do Pool Math by TroubleFreePool or Pool Notes have ads?

Neither Pool Math by TroubleFreePool nor Pool Notes shows ads.

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

Pool Math by TroubleFreePool ships an update fortnightly, and Pool Notes fortnightly. Most recently, Pool Math by TroubleFreePool was updated on November 4, 2026 and Pool Notes on October 31, 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.*