# Pool Doctor vs CalcuLatte

The clearest difference is price: CalcuLatte at Free against Pool Doctor's $19.99. Pool Doctor's advantage is in-app purchases (none vs 1). On ads, device support and iOS requirement there is nothing between them.

CalcuLatte is free to download; Pool Doctor costs $19.99 up front. CalcuLatte sells 1 one-off in-app purchase. Pool Doctor asks for nothing beyond the download.

## The numbers

| Metric | Pool Doctor | CalcuLatte |
| --- | --- | --- |
| Price | $19.99 | **Free** |
| Rating | **[4.4 (134 ratings)](https://appshunter.io/ios/app/pool-doctor/id375459618/reviews)** | — |
| Number of ratings | **134** | — |
| Positive reviews | 67.8% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Paid | — |
| Size | 7 MB | 4 MB |
| Requires iOS | 11.0 | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gazzini Ventures](https://appshunter.io/developer/1503581197) | [Woodsign](https://appshunter.io/developer/1126354429) |

## What reviewers say

### Pool Doctor

[App page](https://appshunter.io/ios/app/pool-doctor/id375459618)

This powerful digital tool helps pool professionals and enthusiasts maintain their pools. Input your chemical readings, and it will provide precise instructions on what chemicals to add and why, supporting various pool types and units of measurement.

**Highlights:** Chemical level adjustment (chlorine, pH, alkalinity, etc.), Supports regular, salt-water, and bromine pools, Multiple unit of measurement options, Customizable ideal ranges and chemicals, Saves reading and treatment records, Langelier Index calculation, Shock calculator

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use and intuitive interface
- 🎯 Accurate chemical calculations and recommendations
- 💡 Customizable pool parameters and chemical selection
- 📊 Helpful for pool maintenance beginners
- 🔄 Multiple unit conversions (lbs, oz, kg, metric)

**What reviewers complain about**

- 🐛 App crashes frequently
- ❌ Email functionality doesn't work
- ⚠️ Inaccurate recommendations for some pool types
- 🔧 Settings don't persist or sync across devices
- 💸 Price increased from free to $20

**Reported bugs**

- App crashes after entering readings
- Phone keyboard won't close, preventing navigation
- Entered values change automatically (pH decreases, chlorine increases)
- Chemical settings don't save or remember user preferences
- Recommendations ignore user-specified chemical concentrations

**Requested features**

- Customizable input field order to match test kit order
- Support for Baquacil pool products
- Cyanuric acid reading support
- Ability to select specific chemical types (liquid vs powdered chlorine)
- Salt level adjustment based on salt water generator (SWG) ranges


### CalcuLatte

[App page](https://appshunter.io/ios/app/calculatte/id1464511080)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CalcuLatte Full Version | $1.99 | one-time |


## Frequently asked questions

### Is Pool Doctor free?

Pool Doctor costs $19.99, with no in-app purchases.

### Is CalcuLatte free?

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

### Do Pool Doctor or CalcuLatte have ads?

Neither Pool Doctor nor CalcuLatte shows ads.

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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.*