# Pool Catalog vs trackr iO

The clearest difference is iOS requirement: Pool Catalog at 9.0 against trackr iO's 17.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Pool Catalog ships an update every 5 weeks, trackr iO every 3 weeks. The most recent releases landed on October 26, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Pool Catalog | trackr iO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/trackr-io/id6761037792/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 50 MB | 112 MB |
| Requires iOS | **9.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [JHK Distribution, Inc](https://appshunter.io/developer/1451988438) | [Zodiac Pool Systems, Inc.](https://appshunter.io/developer/443059512) |

## What reviewers say

### Pool Catalog

[App page](https://appshunter.io/ios/app/pool-catalog/id1471502711)

**Features:** macOS Compatibility

**In-app purchases:** none


### trackr iO

[App page](https://appshunter.io/ios/app/trackr-io/id6761037792)

This platform helps pool and spa professionals manage their business efficiently. It offers tools for water testing, scheduling, billing, customer management, and marketing, all in one place to save time and improve cash flow.

**Highlights:** Water testing and chemistry logging, Optimized scheduling and routing, Streamlined invoicing and payments, Customer service history tracking, Business growth marketing tools

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

**In-app purchases:** none


## Frequently asked questions

### Is Pool Catalog free?

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

### Is trackr iO free?

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

### Do Pool Catalog or trackr iO have ads?

Neither Pool Catalog nor trackr iO shows ads.

### Which is updated more often, Pool Catalog or trackr iO?

Pool Catalog ships an update every 5 weeks, and trackr iO every 3 weeks. Most recently, Pool Catalog was updated on October 26, 2026 and trackr iO on October 1, 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.*