# Pool Math by TroubleFreePool vs CCC4Democracy Companion

The clearest difference is in-app purchases: CCC4Democracy Companion at none against Pool Math by TroubleFreePool's 1. CCC4Democracy Companion also leads on update cadence (weekly vs fortnightly). Pool Math by TroubleFreePool's advantage is iOS requirement (15.0 vs 26.2). 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. CCC4Democracy Companion asks for nothing beyond the download.

Pool Math by TroubleFreePool ships an update fortnightly, CCC4Democracy Companion weekly. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Pool Math by TroubleFreePool | CCC4Democracy Companion |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.6 (287 ratings)](https://appshunter.io/ios/app/pool-math-by-troublefreepool/id1228819359/reviews)** | — |
| Number of ratings | **287** | — |
| Positive reviews | 63.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | Freemium | — |
| Size | 314 MB | 4 MB |
| Requires iOS | **15.0** | 26.2 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [TroubleFreePool](https://appshunter.io/developer/1228819358) | [Coalition of Citizens Concerned for Democracy, LLC](https://appshunter.io/developer/6805713403) |

## 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


### CCC4Democracy Companion

[App page](https://appshunter.io/ios/app/ccc4democracy-companion/id6805713401)

**Features:** Safari Extension

**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 CCC4Democracy Companion free?

CCC4Democracy Companion is free to download, with no in-app purchases.

### Do Pool Math by TroubleFreePool or CCC4Democracy Companion have ads?

Neither Pool Math by TroubleFreePool nor CCC4Democracy Companion shows ads.

### Which is updated more often, Pool Math by TroubleFreePool or CCC4Democracy Companion?

Pool Math by TroubleFreePool ships an update fortnightly, and CCC4Democracy Companion weekly. Most recently, Pool Math by TroubleFreePool was updated on November 4, 2026 and CCC4Democracy Companion 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.*