# PAL Lighting vs Pool Math by TroubleFreePool

The clearest difference is review sentiment: Pool Math by TroubleFreePool at 63% against PAL Lighting's 13%. Pool Math by TroubleFreePool also leads on rating (3.7 vs 1.7) and update cadence (fortnightly vs every 3 months). PAL Lighting's advantage is in-app purchases (none vs 1) and iOS requirement (7.0 vs 15.0). On price, ads and device support 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. PAL Lighting asks for nothing beyond the download.

Pool Math by TroubleFreePool holds the better App Store score, 3.7 against 1.7. That said, the two scores are not equally well evidenced: Pool Math by TroubleFreePool has 272 ratings behind it against 34, so its average is the more settled of the two. Written reviews point the same way: 13% of PAL Lighting's written reviews are positive against 63% of Pool Math by TroubleFreePool's.

PAL Lighting ships an update every 3 months, Pool Math by TroubleFreePool fortnightly. The most recent releases landed on July 4, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | PAL Lighting | Pool Math by TroubleFreePool |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.7 (34 ratings)](https://appshunter.io/ios/app/pal-lighting/id1133056243/reviews) | **[3.7 (272 ratings)](https://appshunter.io/ios/app/pool-math-by-troublefreepool/id1228819359/reviews)** |
| Number of ratings | 34 | **272** |
| Positive reviews | 12.5% of reviews | **63.4% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | **Free** | Freemium |
| Size | 9 MB | 314 MB |
| Requires iOS | **7.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [PAL Lighting](https://appshunter.io/developer/567905333) | [TroubleFreePool](https://appshunter.io/developer/1228819358) |

## What reviewers say

### PAL Lighting

[App page](https://appshunter.io/ios/app/pal-lighting/id1133056243)

Control your PAL™ Light wirelessly with your smartphone. Select from countless colors and modes through an intuitive touch interface. Integrates with home automation systems for enhanced convenience.

**Highlights:** Wireless color selection, Intuitive touch interface, RF and Wi-Fi control, Home automation integration, Customizable modes

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is PAL Lighting free?

PAL Lighting is free to download, with no in-app purchases.

### Is Pool Math by TroubleFreePool free?

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

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

Pool Math by TroubleFreePool is rated higher. PAL Lighting averages 1.7 out of 5 from 34 ratings, while Pool Math by TroubleFreePool averages 3.7 from 272 ratings.

### Do PAL Lighting or Pool Math by TroubleFreePool have ads?

Neither PAL Lighting nor Pool Math by TroubleFreePool shows ads.

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

PAL Lighting ships an update every 3 months, and Pool Math by TroubleFreePool fortnightly. Most recently, PAL Lighting was updated on July 4, 2026 and Pool Math by TroubleFreePool on September 22, 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.*