# Pool Doctor vs GrusHome

The clearest difference is price: GrusHome at Free against Pool Doctor's $19.99. GrusHome also leads on rating (5.0 vs 4.4) and update cadence (every 10 days vs every 2 months). Pool Doctor's advantage is in-app purchases (none vs 10) and ratings volume (134 vs 1). On ads and device support there is nothing between them.

GrusHome is free to download; Pool Doctor costs $19.99 up front. GrusHome sells 10 one-off in-app purchases. Pool Doctor asks for nothing beyond the download.

GrusHome holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Pool Doctor has 134 ratings behind it against 1, so its average is the more settled of the two.

Pool Doctor ships an update every 2 months, GrusHome every 10 days. The most recent releases landed on October 24, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Pool Doctor | GrusHome |
| --- | --- | --- |
| Price | $19.99 | **Free** |
| Rating | [4.4 (134 ratings)](https://appshunter.io/ios/app/pool-doctor/id375459618/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/grushome/id1455196140/reviews)** |
| Number of ratings | **134** | 1 |
| Positive reviews | 67.8% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 10 days** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 7 MB | 61 MB |
| Requires iOS | 11.0 | **9.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gazzini Ventures](https://appshunter.io/developer/1503581197) | [Hemeng](https://appshunter.io/developer/1377555201) |

## 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


### GrusHome

[App page](https://appshunter.io/ios/app/grushome/id1455196140)

Transform an old smartphone into a Wi-Fi connected security camera. Offers motion detection, two-way audio, and HD video streaming for home monitoring. Optional upgrades provide cloud storage and advanced features.

**Highlights:** Repurposes old phones as security cameras, Motion detection with alerts, Two-way audio communication, HD video streaming (1080p), Cross-platform compatibility, Scheduled recording, Secure and private video streaming

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| First Month Trial | $0.99 | one-time |
| Standard Plan 1 Month | $3.99 | one-time |
| 50 SMS Alerts | $3.99 | one-time |
| Standard Plan 3 Months | $8.99 | one-time |
| 150 SMS Alerts | $9.99 | one-time |
| 300 SMS Alerts | $18.99 | one-time |
| Standard Plan 12 Months | $27.99 | one-time |
| 500 SMS Alerts | $28.99 | one-time |
| 7 Days Event Recording | $71.99 | one-time |
| 7 Days Continuous Recording 1Y | $107.99 | one-time |


## Frequently asked questions

### Is Pool Doctor free?

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

### Is GrusHome free?

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

### Which has better reviews, Pool Doctor or GrusHome?

GrusHome is rated higher. Pool Doctor averages 4.4 out of 5 from 134 ratings, while GrusHome averages 5.0 from 1 ratings.

### Do Pool Doctor or GrusHome have ads?

Neither Pool Doctor nor GrusHome shows ads.

### Which is updated more often, Pool Doctor or GrusHome?

Pool Doctor ships an update every 2 months, and GrusHome every 10 days. Most recently, Pool Doctor was updated on October 24, 2026 and GrusHome on October 14, 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.*