# Pool Math by TroubleFreePool vs Draw Straws To Decide

The clearest difference is rating: Draw Straws To Decide at 5.0 against Pool Math by TroubleFreePool's 3.6. Draw Straws To Decide also leads on review sentiment (100% vs 63%) and in-app purchases (none vs 1). Pool Math by TroubleFreePool's advantage is ads (none vs shown) and ratings volume (287 vs 8). On price, 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. Draw Straws To Decide asks for nothing beyond the download.

Draw Straws To Decide 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 8, 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 Draw Straws To Decide's.

## The numbers

| Metric | Pool Math by TroubleFreePool | Draw Straws To Decide |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.6 (287 ratings)](https://appshunter.io/ios/app/pool-math-by-troublefreepool/id1228819359/reviews) | **[5.0 (8 ratings)](https://appshunter.io/ios/app/draw-straws-to-decide/id1544510164/reviews)** |
| Number of ratings | **287** | 8 |
| Positive reviews | 63.4% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | — |
| Monetization | Freemium | **Ad-supported** |
| Size | 314 MB | 28 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TroubleFreePool](https://appshunter.io/developer/1228819358) | [Campbell McIver](https://appshunter.io/developer/1544510436) |

## 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


### Draw Straws To Decide

[App page](https://appshunter.io/ios/app/draw-straws-to-decide/id1544510164)

This app offers two ways to randomly select a winner or assign a task. Choose between a quick game with visual cues or enter names for a personalized draw. It's designed to resolve disputes fairly and enjoyably.

**Highlights:** Two straw drawing modes, Random selection algorithm, Quick game option, Enter names for custom draws, Share results with participants

**Features:** macOS Compatibility

**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 Draw Straws To Decide free?

Draw Straws To Decide is free to download, with no in-app purchases.

### Which has better reviews, Pool Math by TroubleFreePool or Draw Straws To Decide?

Draw Straws To Decide is rated higher. Pool Math by TroubleFreePool averages 3.6 out of 5 from 287 ratings, while Draw Straws To Decide averages 5.0 from 8 ratings.

### Do Pool Math by TroubleFreePool or Draw Straws To Decide have ads?

Draw Straws To Decide shows ads; Pool Math by TroubleFreePool does not.

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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.*