# PoolCalc vs Pooli

The clearest difference is review sentiment: Pooli at 87% against PoolCalc's 17%. Pooli also leads on rating (4.6 vs 1.0) and in-app purchases (none vs 1). PoolCalc's advantage is iOS requirement (7.1 vs 15.5). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. PoolCalc sells 1 one-off in-app purchase. Pooli asks for nothing beyond the download.

Pooli holds the better App Store score, 4.6 against 1.0. That said, the two scores are not equally well evidenced: Pooli has 370 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 17% of PoolCalc's written reviews are positive against 87% of Pooli's.

PoolCalc ships an update every 2 months, Pooli every 3 weeks. The most recent releases landed on September 30, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | PoolCalc | Pooli |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/poolcalc/id514707093/reviews) | **[4.6 (370 ratings)](https://appshunter.io/ios/app/pooli/id1491565847/reviews)** |
| Number of ratings | 1 | **370** |
| Positive reviews | 16.7% of reviews | **86.7% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 8 MB | 122 MB |
| Requires iOS | **7.1** | 15.5 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Bonham Customs](https://appshunter.io/developer/514707096) | [Pooli, Inc.](https://appshunter.io/developer/376941984) |

## What reviewers say

### PoolCalc

[App page](https://appshunter.io/ios/app/poolcalc/id514707093)

This utility calculates the scaling potential of pool water using the Langelier Saturation Index. It allows users to save and edit readings, locations, and add notes. A paid upgrade offers advanced features for pool professionals.

**Highlights:** Langelier Saturation Index calculation, Save and edit readings, Save and edit locations, Add notes to readings, Quick add readings to locations, Paid upgrade for multiple location routes

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pool Professional Upgrade | $2.99 | one-time |


### Pooli

[App page](https://appshunter.io/ios/app/pooli/id1491565847)

This app helps you maintain a clean and safe pool or spa with smart testing, tailored advice, and customized task lists. It offers advanced AI for instant feedback, problem resolution guidance, and comprehensive sanitization support. Track multiple pools, manage inventory, and even collaborate with others for effortless pool care.

**Highlights:** Smart water testing with manual entry or strip scanning, Interactive Calcite Saturation Index (CSI) tool, Tailored reports and expert maintenance advice, Advanced AI for instant pool questions, Customized task lists and reminders, Multi-pool and spa management, Chemical inventory tracking with restock reminders

**Features:** macOS Compatibility, Apple Wallet, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 🚀 Helpful for maintaining pool/spa
- 💡 Customizable features
- 👍 Accurate water chemistry calculations
- 👍 Useful reminders and tracking

**What reviewers complain about**

- 🐛 Inconsistent test strip scanning
- 💰 Expensive subscription model
- 🔍 Limited free features
- 🐛 Bugs and glitches in the app

**Reported bugs**

- Inventory management issues
- Reminders triggering at inconvenient times

**Requested features**

- Ability to add equipment details and service history
- Integration with calendar apps for reminders
- More customization options for ideal water levels
- Improved test strip scanning accuracy


## Frequently asked questions

### Is PoolCalc free?

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

### Is Pooli free?

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

### Which has better reviews, PoolCalc or Pooli?

Pooli is rated higher. PoolCalc averages 1.0 out of 5 from 1 ratings, while Pooli averages 4.6 from 370 ratings.

### Do PoolCalc or Pooli have ads?

Neither PoolCalc nor Pooli shows ads.

### Which is updated more often, PoolCalc or Pooli?

PoolCalc ships an update every 2 months, and Pooli every 3 weeks. Most recently, PoolCalc was updated on September 30, 2026 and Pooli on October 13, 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.*